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-rw-r--r--tools/perf/util/alias.c3
-rw-r--r--tools/perf/util/annotate.c19
-rw-r--r--tools/perf/util/annotate.h15
-rw-r--r--tools/perf/util/build-id.c11
-rw-r--r--tools/perf/util/cache.h6
-rw-r--r--tools/perf/util/callchain.c6
-rw-r--r--tools/perf/util/callchain.h2
-rw-r--r--tools/perf/util/cgroup.c4
-rw-r--r--tools/perf/util/config.c6
-rw-r--r--tools/perf/util/cpumap.c22
-rw-r--r--tools/perf/util/cpumap.h13
-rw-r--r--tools/perf/util/debug.c4
-rw-r--r--tools/perf/util/debug.h17
-rw-r--r--tools/perf/util/dso-test-data.c2
-rw-r--r--tools/perf/util/dwarf-aux.c2
-rw-r--r--tools/perf/util/event.c71
-rw-r--r--tools/perf/util/event.h14
-rw-r--r--tools/perf/util/evlist.c143
-rw-r--r--tools/perf/util/evlist.h35
-rw-r--r--tools/perf/util/evsel.c276
-rw-r--r--tools/perf/util/evsel.h63
-rwxr-xr-xtools/perf/util/generate-cmdlist.sh15
-rw-r--r--tools/perf/util/header.c1063
-rw-r--r--tools/perf/util/header.h29
-rw-r--r--tools/perf/util/help.c4
-rw-r--r--tools/perf/util/hist.c721
-rw-r--r--tools/perf/util/hist.h75
-rw-r--r--tools/perf/util/include/linux/bitops.h4
-rw-r--r--tools/perf/util/include/linux/compiler.h9
-rw-r--r--tools/perf/util/include/linux/kernel.h17
-rw-r--r--tools/perf/util/include/linux/magic.h12
-rw-r--r--tools/perf/util/include/linux/rbtree.h1
-rw-r--r--tools/perf/util/include/linux/string.h2
-rw-r--r--tools/perf/util/include/linux/types.h8
-rw-r--r--tools/perf/util/intlist.c8
-rw-r--r--tools/perf/util/map.c47
-rw-r--r--tools/perf/util/map.h9
-rw-r--r--tools/perf/util/parse-events-test.c426
-rw-r--r--tools/perf/util/parse-events.c254
-rw-r--r--tools/perf/util/parse-events.h18
-rw-r--r--tools/perf/util/parse-events.l56
-rw-r--r--tools/perf/util/parse-events.y125
-rw-r--r--tools/perf/util/parse-options.c3
-rw-r--r--tools/perf/util/perf_regs.h14
-rw-r--r--tools/perf/util/pmu.c80
-rw-r--r--tools/perf/util/pmu.h3
-rw-r--r--tools/perf/util/pmu.y6
-rw-r--r--tools/perf/util/probe-event.c69
-rw-r--r--tools/perf/util/probe-finder.c28
-rw-r--r--tools/perf/util/python-ext-sources2
-rw-r--r--tools/perf/util/python.c17
-rw-r--r--tools/perf/util/scripting-engines/trace-event-perl.c50
-rw-r--r--tools/perf/util/scripting-engines/trace-event-python.c113
-rw-r--r--tools/perf/util/session.c198
-rw-r--r--tools/perf/util/session.h10
-rw-r--r--tools/perf/util/sort.c25
-rw-r--r--tools/perf/util/sort.h2
-rw-r--r--tools/perf/util/stat.c57
-rw-r--r--tools/perf/util/stat.h16
-rw-r--r--tools/perf/util/string.c18
-rw-r--r--tools/perf/util/strlist.c2
-rw-r--r--tools/perf/util/symbol-elf.c841
-rw-r--r--tools/perf/util/symbol-minimal.c307
-rw-r--r--tools/perf/util/symbol.c942
-rw-r--r--tools/perf/util/symbol.h67
-rw-r--r--tools/perf/util/target.c4
-rw-r--r--tools/perf/util/thread.h2
-rw-r--r--tools/perf/util/top.c3
-rw-r--r--tools/perf/util/top.h1
-rw-r--r--tools/perf/util/trace-event-parse.c54
-rw-r--r--tools/perf/util/trace-event-scripting.c34
-rw-r--r--tools/perf/util/trace-event.h12
-rw-r--r--tools/perf/util/unwind.c571
-rw-r--r--tools/perf/util/unwind.h35
-rw-r--r--tools/perf/util/util.c25
-rw-r--r--tools/perf/util/util.h9
-rw-r--r--tools/perf/util/vdso.c111
-rw-r--r--tools/perf/util/vdso.h18
-rw-r--r--tools/perf/util/wrapper.c3
79 files changed, 4895 insertions, 2494 deletions
diff --git a/tools/perf/util/alias.c b/tools/perf/util/alias.c
index b8144e80bb1e..e6d134773d0a 100644
--- a/tools/perf/util/alias.c
+++ b/tools/perf/util/alias.c
@@ -3,7 +3,8 @@
static const char *alias_key;
static char *alias_val;
-static int alias_lookup_cb(const char *k, const char *v, void *cb __used)
+static int alias_lookup_cb(const char *k, const char *v,
+ void *cb __maybe_unused)
{
if (!prefixcmp(k, "alias.") && !strcmp(k+6, alias_key)) {
if (!v)
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 3a282c0057d2..f0a910371377 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -17,6 +17,7 @@
#include <pthread.h>
const char *disassembler_style;
+const char *objdump_path;
static struct ins *ins__find(const char *name);
static int disasm_line__parse(char *line, char **namep, char **rawp);
@@ -312,8 +313,8 @@ static struct ins_ops dec_ops = {
.scnprintf = dec__scnprintf,
};
-static int nop__scnprintf(struct ins *ins __used, char *bf, size_t size,
- struct ins_operands *ops __used)
+static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size,
+ struct ins_operands *ops __maybe_unused)
{
return scnprintf(bf, size, "%-6.6s", "nop");
}
@@ -415,7 +416,7 @@ static struct ins *ins__find(const char *name)
return bsearch(name, instructions, nmemb, sizeof(struct ins), ins__cmp);
}
-int symbol__annotate_init(struct map *map __used, struct symbol *sym)
+int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym)
{
struct annotation *notes = symbol__annotation(sym);
pthread_mutex_init(&notes->lock, NULL);
@@ -820,9 +821,10 @@ fallback:
dso, dso->long_name, sym, sym->name);
snprintf(command, sizeof(command),
- "objdump %s%s --start-address=0x%016" PRIx64
+ "%s %s%s --start-address=0x%016" PRIx64
" --stop-address=0x%016" PRIx64
" -d %s %s -C %s|grep -v %s|expand",
+ objdump_path ? objdump_path : "objdump",
disassembler_style ? "-M " : "",
disassembler_style ? disassembler_style : "",
map__rip_2objdump(map, sym->start),
@@ -982,7 +984,8 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
int context)
{
struct dso *dso = map->dso;
- const char *filename = dso->long_name, *d_filename;
+ char *filename;
+ const char *d_filename;
struct annotation *notes = symbol__annotation(sym);
struct disasm_line *pos, *queue = NULL;
u64 start = map__rip_2objdump(map, sym->start);
@@ -990,6 +993,10 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
int more = 0;
u64 len;
+ filename = strdup(dso->long_name);
+ if (!filename)
+ return -ENOMEM;
+
if (full_paths)
d_filename = filename;
else
@@ -1040,6 +1047,8 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
}
}
+ free(filename);
+
return more;
}
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index 78a5692dd718..9b5b21e7b032 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -7,6 +7,7 @@
#include "symbol.h"
#include <linux/list.h>
#include <linux/rbtree.h>
+#include <pthread.h>
struct ins;
@@ -125,7 +126,7 @@ int symbol__alloc_hist(struct symbol *sym);
void symbol__annotate_zero_histograms(struct symbol *sym);
int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize);
-int symbol__annotate_init(struct map *map __used, struct symbol *sym);
+int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym);
int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
bool full_paths, int min_pcnt, int max_lines,
int context);
@@ -138,11 +139,12 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
int max_lines);
#ifdef NO_NEWT_SUPPORT
-static inline int symbol__tui_annotate(struct symbol *sym __used,
- struct map *map __used,
- int evidx __used,
- void(*timer)(void *arg) __used,
- void *arg __used, int delay_secs __used)
+static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused,
+ struct map *map __maybe_unused,
+ int evidx __maybe_unused,
+ void(*timer)(void *arg) __maybe_unused,
+ void *arg __maybe_unused,
+ int delay_secs __maybe_unused)
{
return 0;
}
@@ -152,5 +154,6 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
#endif
extern const char *disassembler_style;
+extern const char *objdump_path;
#endif /* __PERF_ANNOTATE_H */
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index fd9a5944b627..8e3a740ddbd4 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -16,10 +16,10 @@
#include "session.h"
#include "tool.h"
-static int build_id__mark_dso_hit(struct perf_tool *tool __used,
+static int build_id__mark_dso_hit(struct perf_tool *tool __maybe_unused,
union perf_event *event,
- struct perf_sample *sample __used,
- struct perf_evsel *evsel __used,
+ struct perf_sample *sample __maybe_unused,
+ struct perf_evsel *evsel __maybe_unused,
struct machine *machine)
{
struct addr_location al;
@@ -41,9 +41,10 @@ static int build_id__mark_dso_hit(struct perf_tool *tool __used,
return 0;
}
-static int perf_event__exit_del_thread(struct perf_tool *tool __used,
+static int perf_event__exit_del_thread(struct perf_tool *tool __maybe_unused,
union perf_event *event,
- struct perf_sample *sample __used,
+ struct perf_sample *sample
+ __maybe_unused,
struct machine *machine)
{
struct thread *thread = machine__findnew_thread(machine, event->fork.tid);
diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h
index cff18c617d13..ab1769426541 100644
--- a/tools/perf/util/cache.h
+++ b/tools/perf/util/cache.h
@@ -39,7 +39,7 @@ static inline void setup_browser(bool fallback_to_pager)
if (fallback_to_pager)
setup_pager();
}
-static inline void exit_browser(bool wait_for_ok __used) {}
+static inline void exit_browser(bool wait_for_ok __maybe_unused) {}
#else
void setup_browser(bool fallback_to_pager);
void exit_browser(bool wait_for_ok);
@@ -49,7 +49,7 @@ static inline int ui__init(void)
{
return -1;
}
-static inline void ui__exit(bool wait_for_ok __used) {}
+static inline void ui__exit(bool wait_for_ok __maybe_unused) {}
#else
int ui__init(void);
void ui__exit(bool wait_for_ok);
@@ -60,7 +60,7 @@ static inline int perf_gtk__init(void)
{
return -1;
}
-static inline void perf_gtk__exit(bool wait_for_ok __used) {}
+static inline void perf_gtk__exit(bool wait_for_ok __maybe_unused) {}
#else
int perf_gtk__init(void);
void perf_gtk__exit(bool wait_for_ok);
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index 3a6bff47614f..d3b3f5d82137 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -93,7 +93,7 @@ __sort_chain_flat(struct rb_root *rb_root, struct callchain_node *node,
*/
static void
sort_chain_flat(struct rb_root *rb_root, struct callchain_root *root,
- u64 min_hit, struct callchain_param *param __used)
+ u64 min_hit, struct callchain_param *param __maybe_unused)
{
__sort_chain_flat(rb_root, &root->node, min_hit);
}
@@ -115,7 +115,7 @@ static void __sort_chain_graph_abs(struct callchain_node *node,
static void
sort_chain_graph_abs(struct rb_root *rb_root, struct callchain_root *chain_root,
- u64 min_hit, struct callchain_param *param __used)
+ u64 min_hit, struct callchain_param *param __maybe_unused)
{
__sort_chain_graph_abs(&chain_root->node, min_hit);
rb_root->rb_node = chain_root->node.rb_root.rb_node;
@@ -140,7 +140,7 @@ static void __sort_chain_graph_rel(struct callchain_node *node,
static void
sort_chain_graph_rel(struct rb_root *rb_root, struct callchain_root *chain_root,
- u64 min_hit __used, struct callchain_param *param)
+ u64 min_hit __maybe_unused, struct callchain_param *param)
{
__sort_chain_graph_rel(&chain_root->node, param->min_percent / 100.0);
rb_root->rb_node = chain_root->node.rb_root.rb_node;
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index 3bdb407f9cd9..eb340571e7d6 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -58,7 +58,7 @@ struct callchain_list {
/*
* A callchain cursor is a single linked list that
* let one feed a callchain progressively.
- * It keeps persitent allocated entries to minimize
+ * It keeps persistent allocated entries to minimize
* allocations.
*/
struct callchain_cursor_node {
diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c
index dbe2f16b1a1a..96bbda1ddb83 100644
--- a/tools/perf/util/cgroup.c
+++ b/tools/perf/util/cgroup.c
@@ -138,8 +138,8 @@ void close_cgroup(struct cgroup_sel *cgrp)
}
}
-int parse_cgroups(const struct option *opt __used, const char *str,
- int unset __used)
+int parse_cgroups(const struct option *opt __maybe_unused, const char *str,
+ int unset __maybe_unused)
{
struct perf_evlist *evlist = *(struct perf_evlist **)opt->value;
const char *p, *e, *eos = str + strlen(str);
diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index 6faa3a18bfbd..3e0fdd369ccb 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -342,13 +342,15 @@ const char *perf_config_dirname(const char *name, const char *value)
return value;
}
-static int perf_default_core_config(const char *var __used, const char *value __used)
+static int perf_default_core_config(const char *var __maybe_unused,
+ const char *value __maybe_unused)
{
/* Add other config variables here. */
return 0;
}
-int perf_default_config(const char *var, const char *value, void *dummy __used)
+int perf_default_config(const char *var, const char *value,
+ void *dummy __maybe_unused)
{
if (!prefixcmp(var, "core."))
return perf_default_core_config(var, value);
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index adc72f09914d..2b32ffa9ebdb 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -38,24 +38,19 @@ static struct cpu_map *cpu_map__trim_new(int nr_cpus, int *tmp_cpus)
return cpus;
}
-static struct cpu_map *cpu_map__read_all_cpu_map(void)
+struct cpu_map *cpu_map__read(FILE *file)
{
struct cpu_map *cpus = NULL;
- FILE *onlnf;
int nr_cpus = 0;
int *tmp_cpus = NULL, *tmp;
int max_entries = 0;
int n, cpu, prev;
char sep;
- onlnf = fopen("/sys/devices/system/cpu/online", "r");
- if (!onlnf)
- return cpu_map__default_new();
-
sep = 0;
prev = -1;
for (;;) {
- n = fscanf(onlnf, "%u%c", &cpu, &sep);
+ n = fscanf(file, "%u%c", &cpu, &sep);
if (n <= 0)
break;
if (prev >= 0) {
@@ -95,6 +90,19 @@ static struct cpu_map *cpu_map__read_all_cpu_map(void)
cpus = cpu_map__default_new();
out_free_tmp:
free(tmp_cpus);
+ return cpus;
+}
+
+static struct cpu_map *cpu_map__read_all_cpu_map(void)
+{
+ struct cpu_map *cpus = NULL;
+ FILE *onlnf;
+
+ onlnf = fopen("/sys/devices/system/cpu/online", "r");
+ if (!onlnf)
+ return cpu_map__default_new();
+
+ cpus = cpu_map__read(onlnf);
fclose(onlnf);
return cpus;
}
diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h
index c41518573c6a..2f68a3b8c285 100644
--- a/tools/perf/util/cpumap.h
+++ b/tools/perf/util/cpumap.h
@@ -2,6 +2,7 @@
#define __PERF_CPUMAP_H
#include <stdio.h>
+#include <stdbool.h>
struct cpu_map {
int nr;
@@ -11,7 +12,17 @@ struct cpu_map {
struct cpu_map *cpu_map__new(const char *cpu_list);
struct cpu_map *cpu_map__dummy_new(void);
void cpu_map__delete(struct cpu_map *map);
-
+struct cpu_map *cpu_map__read(FILE *file);
size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
+static inline int cpu_map__nr(const struct cpu_map *map)
+{
+ return map ? map->nr : 1;
+}
+
+static inline bool cpu_map__all(const struct cpu_map *map)
+{
+ return map ? map->map[0] == -1 : true;
+}
+
#endif /* __PERF_CPUMAP_H */
diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c
index 4dfe0bb3c322..66eb3828ceb5 100644
--- a/tools/perf/util/debug.c
+++ b/tools/perf/util/debug.c
@@ -23,8 +23,10 @@ int eprintf(int level, const char *fmt, ...)
if (verbose >= level) {
va_start(args, fmt);
- if (use_browser > 0)
+ if (use_browser == 1)
ret = ui_helpline__show_help(fmt, args);
+ else if (use_browser == 2)
+ ret = perf_gtk__show_helpline(fmt, args);
else
ret = vfprintf(stderr, fmt, args);
va_end(args);
diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h
index 015c91dbc096..bb2e7d1007ab 100644
--- a/tools/perf/util/debug.h
+++ b/tools/perf/util/debug.h
@@ -4,6 +4,7 @@
#include <stdbool.h>
#include "event.h"
+#include "../ui/helpline.h"
extern int verbose;
extern bool quiet, dump_trace;
@@ -15,32 +16,26 @@ struct ui_progress;
struct perf_error_ops;
#if defined(NO_NEWT_SUPPORT) && defined(NO_GTK2_SUPPORT)
-static inline int ui_helpline__show_help(const char *format __used, va_list ap __used)
-{
- return 0;
-}
-
-static inline void ui_progress__update(u64 curr __used, u64 total __used,
- const char *title __used) {}
+static inline void ui_progress__update(u64 curr __maybe_unused,
+ u64 total __maybe_unused,
+ const char *title __maybe_unused) {}
#define ui__error(format, arg...) ui__warning(format, ##arg)
static inline int
-perf_error__register(struct perf_error_ops *eops __used)
+perf_error__register(struct perf_error_ops *eops __maybe_unused)
{
return 0;
}
static inline int
-perf_error__unregister(struct perf_error_ops *eops __used)
+perf_error__unregister(struct perf_error_ops *eops __maybe_unused)
{
return 0;
}
#else /* NO_NEWT_SUPPORT && NO_GTK2_SUPPORT */
-extern char ui_helpline__last_msg[];
-int ui_helpline__show_help(const char *format, va_list ap);
#include "../ui/progress.h"
int ui__error(const char *format, ...) __attribute__((format(printf, 1, 2)));
#include "../ui/util.h"
diff --git a/tools/perf/util/dso-test-data.c b/tools/perf/util/dso-test-data.c
index 541cdc72c7df..c6caedeb1d6b 100644
--- a/tools/perf/util/dso-test-data.c
+++ b/tools/perf/util/dso-test-data.c
@@ -23,7 +23,7 @@ static char *test_file(int size)
int fd, i;
unsigned char *buf;
- fd = mkostemp(templ, O_CREAT|O_WRONLY|O_TRUNC);
+ fd = mkstemp(templ);
buf = malloc(size);
if (!buf) {
diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c
index ee51e9b4dc09..3e5f5430a28a 100644
--- a/tools/perf/util/dwarf-aux.c
+++ b/tools/perf/util/dwarf-aux.c
@@ -804,6 +804,8 @@ int die_get_typename(Dwarf_Die *vr_die, char *buf, int len)
tmp = "union ";
else if (tag == DW_TAG_structure_type)
tmp = "struct ";
+ else if (tag == DW_TAG_enumeration_type)
+ tmp = "enum ";
/* Write a base name */
ret = snprintf(buf, len, "%s%s", tmp, dwarf_diename(&type));
return (ret >= len) ? -E2BIG : ret;
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 2a6f33cd888c..6715b1938725 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -112,7 +112,7 @@ static pid_t perf_event__synthesize_comm(struct perf_tool *tool,
event->comm.header.type = PERF_RECORD_COMM;
size = strlen(event->comm.comm) + 1;
- size = ALIGN(size, sizeof(u64));
+ size = PERF_ALIGN(size, sizeof(u64));
memset(event->comm.comm + size, 0, machine->id_hdr_size);
event->comm.header.size = (sizeof(event->comm) -
(sizeof(event->comm.comm) - size) +
@@ -120,7 +120,9 @@ static pid_t perf_event__synthesize_comm(struct perf_tool *tool,
if (!full) {
event->comm.tid = pid;
- process(tool, event, &synth_sample, machine);
+ if (process(tool, event, &synth_sample, machine) != 0)
+ return -1;
+
goto out;
}
@@ -143,7 +145,7 @@ static pid_t perf_event__synthesize_comm(struct perf_tool *tool,
sizeof(event->comm.comm));
size = strlen(event->comm.comm) + 1;
- size = ALIGN(size, sizeof(u64));
+ size = PERF_ALIGN(size, sizeof(u64));
memset(event->comm.comm + size, 0, machine->id_hdr_size);
event->comm.header.size = (sizeof(event->comm) -
(sizeof(event->comm.comm) - size) +
@@ -151,7 +153,10 @@ static pid_t perf_event__synthesize_comm(struct perf_tool *tool,
event->comm.tid = pid;
- process(tool, event, &synth_sample, machine);
+ if (process(tool, event, &synth_sample, machine) != 0) {
+ tgid = -1;
+ break;
+ }
}
closedir(tasks);
@@ -167,6 +172,7 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool,
{
char filename[PATH_MAX];
FILE *fp;
+ int rc = 0;
snprintf(filename, sizeof(filename), "/proc/%d/maps", pid);
@@ -222,7 +228,7 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool,
size = strlen(execname);
execname[size - 1] = '\0'; /* Remove \n */
memcpy(event->mmap.filename, execname, size);
- size = ALIGN(size, sizeof(u64));
+ size = PERF_ALIGN(size, sizeof(u64));
event->mmap.len -= event->mmap.start;
event->mmap.header.size = (sizeof(event->mmap) -
(sizeof(event->mmap.filename) - size));
@@ -231,18 +237,22 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool,
event->mmap.pid = tgid;
event->mmap.tid = pid;
- process(tool, event, &synth_sample, machine);
+ if (process(tool, event, &synth_sample, machine) != 0) {
+ rc = -1;
+ break;
+ }
}
}
fclose(fp);
- return 0;
+ return rc;
}
int perf_event__synthesize_modules(struct perf_tool *tool,
perf_event__handler_t process,
struct machine *machine)
{
+ int rc = 0;
struct rb_node *nd;
struct map_groups *kmaps = &machine->kmaps;
union perf_event *event = zalloc((sizeof(event->mmap) +
@@ -272,7 +282,7 @@ int perf_event__synthesize_modules(struct perf_tool *tool,
if (pos->dso->kernel)
continue;
- size = ALIGN(pos->dso->long_name_len + 1, sizeof(u64));
+ size = PERF_ALIGN(pos->dso->long_name_len + 1, sizeof(u64));
event->mmap.header.type = PERF_RECORD_MMAP;
event->mmap.header.size = (sizeof(event->mmap) -
(sizeof(event->mmap.filename) - size));
@@ -284,11 +294,14 @@ int perf_event__synthesize_modules(struct perf_tool *tool,
memcpy(event->mmap.filename, pos->dso->long_name,
pos->dso->long_name_len + 1);
- process(tool, event, &synth_sample, machine);
+ if (process(tool, event, &synth_sample, machine) != 0) {
+ rc = -1;
+ break;
+ }
}
free(event);
- return 0;
+ return rc;
}
static int __event__synthesize_thread(union perf_event *comm_event,
@@ -392,12 +405,16 @@ int perf_event__synthesize_threads(struct perf_tool *tool,
if (*end) /* only interested in proper numerical dirents */
continue;
- __event__synthesize_thread(comm_event, mmap_event, pid, 1,
- process, tool, machine);
+ if (__event__synthesize_thread(comm_event, mmap_event, pid, 1,
+ process, tool, machine) != 0) {
+ err = -1;
+ goto out_closedir;
+ }
}
- closedir(proc);
err = 0;
+out_closedir:
+ closedir(proc);
out_free_mmap:
free(mmap_event);
out_free_comm:
@@ -412,7 +429,7 @@ struct process_symbol_args {
};
static int find_symbol_cb(void *arg, const char *name, char type,
- u64 start, u64 end __used)
+ u64 start)
{
struct process_symbol_args *args = arg;
@@ -477,7 +494,7 @@ int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
map = machine->vmlinux_maps[MAP__FUNCTION];
size = snprintf(event->mmap.filename, sizeof(event->mmap.filename),
"%s%s", mmap_name, symbol_name) + 1;
- size = ALIGN(size, sizeof(u64));
+ size = PERF_ALIGN(size, sizeof(u64));
event->mmap.header.type = PERF_RECORD_MMAP;
event->mmap.header.size = (sizeof(event->mmap) -
(sizeof(event->mmap.filename) - size) + machine->id_hdr_size);
@@ -497,9 +514,9 @@ size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp)
return fprintf(fp, ": %s:%d\n", event->comm.comm, event->comm.tid);
}
-int perf_event__process_comm(struct perf_tool *tool __used,
+int perf_event__process_comm(struct perf_tool *tool __maybe_unused,
union perf_event *event,
- struct perf_sample *sample __used,
+ struct perf_sample *sample __maybe_unused,
struct machine *machine)
{
struct thread *thread = machine__findnew_thread(machine, event->comm.tid);
@@ -515,10 +532,10 @@ int perf_event__process_comm(struct perf_tool *tool __used,
return 0;
}
-int perf_event__process_lost(struct perf_tool *tool __used,
+int perf_event__process_lost(struct perf_tool *tool __maybe_unused,
union perf_event *event,
- struct perf_sample *sample __used,
- struct machine *machine __used)
+ struct perf_sample *sample __maybe_unused,
+ struct machine *machine __maybe_unused)
{
dump_printf(": id:%" PRIu64 ": lost:%" PRIu64 "\n",
event->lost.id, event->lost.lost);
@@ -538,7 +555,8 @@ static void perf_event__set_kernel_mmap_len(union perf_event *event,
maps[MAP__FUNCTION]->end = ~0ULL;
}
-static int perf_event__process_kernel_mmap(struct perf_tool *tool __used,
+static int perf_event__process_kernel_mmap(struct perf_tool *tool
+ __maybe_unused,
union perf_event *event,
struct machine *machine)
{
@@ -640,7 +658,7 @@ size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp)
int perf_event__process_mmap(struct perf_tool *tool,
union perf_event *event,
- struct perf_sample *sample __used,
+ struct perf_sample *sample __maybe_unused,
struct machine *machine)
{
struct thread *thread;
@@ -684,9 +702,9 @@ size_t perf_event__fprintf_task(union perf_event *event, FILE *fp)
event->fork.ppid, event->fork.ptid);
}
-int perf_event__process_task(struct perf_tool *tool __used,
+int perf_event__process_task(struct perf_tool *tool __maybe_unused,
union perf_event *event,
- struct perf_sample *sample __used,
+ struct perf_sample *sample __maybe_unused,
struct machine *machine)
{
struct thread *thread = machine__findnew_thread(machine, event->fork.tid);
@@ -886,8 +904,9 @@ int perf_event__preprocess_sample(const union perf_event *event,
al->sym = map__find_symbol(al->map, al->addr, filter);
}
- if (symbol_conf.sym_list && al->sym &&
- !strlist__has_entry(symbol_conf.sym_list, al->sym->name))
+ if (symbol_conf.sym_list &&
+ (!al->sym || !strlist__has_entry(symbol_conf.sym_list,
+ al->sym->name)))
goto out_filtered;
return 0;
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index d84870b06426..21b99e741a87 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -69,6 +69,16 @@ struct sample_event {
u64 array[];
};
+struct regs_dump {
+ u64 *regs;
+};
+
+struct stack_dump {
+ u16 offset;
+ u64 size;
+ char *data;
+};
+
struct perf_sample {
u64 ip;
u32 pid, tid;
@@ -82,6 +92,8 @@ struct perf_sample {
void *raw_data;
struct ip_callchain *callchain;
struct branch_stack *branch_stack;
+ struct regs_dump user_regs;
+ struct stack_dump user_stack;
};
#define BUILD_ID_SIZE 20
@@ -89,7 +101,7 @@ struct perf_sample {
struct build_id_event {
struct perf_event_header header;
pid_t pid;
- u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
+ u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
char filename[];
};
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 9b38681add9e..ae89686102f4 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -57,7 +57,7 @@ void perf_evlist__config_attrs(struct perf_evlist *evlist,
if (evlist->cpus->map[0] < 0)
opts->no_inherit = true;
- first = list_entry(evlist->entries.next, struct perf_evsel, node);
+ first = perf_evlist__first(evlist);
list_for_each_entry(evsel, &evlist->entries, node) {
perf_evsel__config(evsel, opts, first);
@@ -108,6 +108,25 @@ void perf_evlist__splice_list_tail(struct perf_evlist *evlist,
evlist->nr_entries += nr_entries;
}
+void __perf_evlist__set_leader(struct list_head *list)
+{
+ struct perf_evsel *evsel, *leader;
+
+ leader = list_entry(list->next, struct perf_evsel, node);
+ leader->leader = NULL;
+
+ list_for_each_entry(evsel, list, node) {
+ if (evsel != leader)
+ evsel->leader = leader;
+ }
+}
+
+void perf_evlist__set_leader(struct perf_evlist *evlist)
+{
+ if (evlist->nr_entries)
+ __perf_evlist__set_leader(&evlist->entries);
+}
+
int perf_evlist__add_default(struct perf_evlist *evlist)
{
struct perf_event_attr attr = {
@@ -285,7 +304,7 @@ void perf_evlist__enable(struct perf_evlist *evlist)
int cpu, thread;
struct perf_evsel *pos;
- for (cpu = 0; cpu < evlist->cpus->nr; cpu++) {
+ for (cpu = 0; cpu < cpu_map__nr(evlist->cpus); cpu++) {
list_for_each_entry(pos, &evlist->entries, node) {
for (thread = 0; thread < evlist->threads->nr; thread++)
ioctl(FD(pos, cpu, thread),
@@ -296,7 +315,7 @@ void perf_evlist__enable(struct perf_evlist *evlist)
static int perf_evlist__alloc_pollfd(struct perf_evlist *evlist)
{
- int nfds = evlist->cpus->nr * evlist->threads->nr * evlist->nr_entries;
+ int nfds = cpu_map__nr(evlist->cpus) * evlist->threads->nr * evlist->nr_entries;
evlist->pollfd = malloc(sizeof(struct pollfd) * nfds);
return evlist->pollfd != NULL ? 0 : -ENOMEM;
}
@@ -357,7 +376,7 @@ struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id)
int hash;
if (evlist->nr_entries == 1)
- return list_entry(evlist->entries.next, struct perf_evsel, node);
+ return perf_evlist__first(evlist);
hash = hash_64(id, PERF_EVLIST__HLIST_BITS);
head = &evlist->heads[hash];
@@ -367,7 +386,7 @@ struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id)
return sid->evsel;
if (!perf_evlist__sample_id_all(evlist))
- return list_entry(evlist->entries.next, struct perf_evsel, node);
+ return perf_evlist__first(evlist);
return NULL;
}
@@ -456,8 +475,8 @@ void perf_evlist__munmap(struct perf_evlist *evlist)
static int perf_evlist__alloc_mmap(struct perf_evlist *evlist)
{
- evlist->nr_mmaps = evlist->cpus->nr;
- if (evlist->cpus->map[0] == -1)
+ evlist->nr_mmaps = cpu_map__nr(evlist->cpus);
+ if (cpu_map__all(evlist->cpus))
evlist->nr_mmaps = evlist->threads->nr;
evlist->mmap = zalloc(evlist->nr_mmaps * sizeof(struct perf_mmap));
return evlist->mmap != NULL ? 0 : -ENOMEM;
@@ -603,11 +622,11 @@ int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages,
list_for_each_entry(evsel, &evlist->entries, node) {
if ((evsel->attr.read_format & PERF_FORMAT_ID) &&
evsel->sample_id == NULL &&
- perf_evsel__alloc_id(evsel, cpus->nr, threads->nr) < 0)
+ perf_evsel__alloc_id(evsel, cpu_map__nr(cpus), threads->nr) < 0)
return -ENOMEM;
}
- if (evlist->cpus->map[0] == -1)
+ if (cpu_map__all(cpus))
return perf_evlist__mmap_per_thread(evlist, prot, mask);
return perf_evlist__mmap_per_cpu(evlist, prot, mask);
@@ -647,39 +666,44 @@ void perf_evlist__delete_maps(struct perf_evlist *evlist)
evlist->threads = NULL;
}
-int perf_evlist__set_filters(struct perf_evlist *evlist)
+int perf_evlist__apply_filters(struct perf_evlist *evlist)
{
- const struct thread_map *threads = evlist->threads;
- const struct cpu_map *cpus = evlist->cpus;
struct perf_evsel *evsel;
- char *filter;
- int thread;
- int cpu;
- int err;
- int fd;
+ int err = 0;
+ const int ncpus = cpu_map__nr(evlist->cpus),
+ nthreads = evlist->threads->nr;
list_for_each_entry(evsel, &evlist->entries, node) {
- filter = evsel->filter;
- if (!filter)
+ if (evsel->filter == NULL)
continue;
- for (cpu = 0; cpu < cpus->nr; cpu++) {
- for (thread = 0; thread < threads->nr; thread++) {
- fd = FD(evsel, cpu, thread);
- err = ioctl(fd, PERF_EVENT_IOC_SET_FILTER, filter);
- if (err)
- return err;
- }
- }
+
+ err = perf_evsel__set_filter(evsel, ncpus, nthreads, evsel->filter);
+ if (err)
+ break;
}
- return 0;
+ return err;
}
-bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist)
+int perf_evlist__set_filter(struct perf_evlist *evlist, const char *filter)
{
- struct perf_evsel *pos, *first;
+ struct perf_evsel *evsel;
+ int err = 0;
+ const int ncpus = cpu_map__nr(evlist->cpus),
+ nthreads = evlist->threads->nr;
+
+ list_for_each_entry(evsel, &evlist->entries, node) {
+ err = perf_evsel__set_filter(evsel, ncpus, nthreads, filter);
+ if (err)
+ break;
+ }
+
+ return err;
+}
- pos = first = list_entry(evlist->entries.next, struct perf_evsel, node);
+bool perf_evlist__valid_sample_type(struct perf_evlist *evlist)
+{
+ struct perf_evsel *first = perf_evlist__first(evlist), *pos = first;
list_for_each_entry_continue(pos, &evlist->entries, node) {
if (first->attr.sample_type != pos->attr.sample_type)
@@ -689,23 +713,19 @@ bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist)
return true;
}
-u64 perf_evlist__sample_type(const struct perf_evlist *evlist)
+u64 perf_evlist__sample_type(struct perf_evlist *evlist)
{
- struct perf_evsel *first;
-
- first = list_entry(evlist->entries.next, struct perf_evsel, node);
+ struct perf_evsel *first = perf_evlist__first(evlist);
return first->attr.sample_type;
}
-u16 perf_evlist__id_hdr_size(const struct perf_evlist *evlist)
+u16 perf_evlist__id_hdr_size(struct perf_evlist *evlist)
{
- struct perf_evsel *first;
+ struct perf_evsel *first = perf_evlist__first(evlist);
struct perf_sample *data;
u64 sample_type;
u16 size = 0;
- first = list_entry(evlist->entries.next, struct perf_evsel, node);
-
if (!first->attr.sample_id_all)
goto out;
@@ -729,11 +749,9 @@ out:
return size;
}
-bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist)
+bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist)
{
- struct perf_evsel *pos, *first;
-
- pos = first = list_entry(evlist->entries.next, struct perf_evsel, node);
+ struct perf_evsel *first = perf_evlist__first(evlist), *pos = first;
list_for_each_entry_continue(pos, &evlist->entries, node) {
if (first->attr.sample_id_all != pos->attr.sample_id_all)
@@ -743,11 +761,9 @@ bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist)
return true;
}
-bool perf_evlist__sample_id_all(const struct perf_evlist *evlist)
+bool perf_evlist__sample_id_all(struct perf_evlist *evlist)
{
- struct perf_evsel *first;
-
- first = list_entry(evlist->entries.next, struct perf_evsel, node);
+ struct perf_evsel *first = perf_evlist__first(evlist);
return first->attr.sample_id_all;
}
@@ -757,21 +773,13 @@ void perf_evlist__set_selected(struct perf_evlist *evlist,
evlist->selected = evsel;
}
-int perf_evlist__open(struct perf_evlist *evlist, bool group)
+int perf_evlist__open(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel, *first;
+ struct perf_evsel *evsel;
int err, ncpus, nthreads;
- first = list_entry(evlist->entries.next, struct perf_evsel, node);
-
list_for_each_entry(evsel, &evlist->entries, node) {
- struct xyarray *group_fd = NULL;
-
- if (group && evsel != first)
- group_fd = first->fd;
-
- err = perf_evsel__open(evsel, evlist->cpus, evlist->threads,
- group, group_fd);
+ err = perf_evsel__open(evsel, evlist->cpus, evlist->threads);
if (err < 0)
goto out_err;
}
@@ -883,8 +891,21 @@ int perf_evlist__start_workload(struct perf_evlist *evlist)
}
int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *event,
- struct perf_sample *sample, bool swapped)
+ struct perf_sample *sample)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+ return perf_evsel__parse_sample(evsel, event, sample);
+}
+
+size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp)
{
- struct perf_evsel *e = list_entry(evlist->entries.next, struct perf_evsel, node);
- return perf_evsel__parse_sample(e, event, sample, swapped);
+ struct perf_evsel *evsel;
+ size_t printed = 0;
+
+ list_for_each_entry(evsel, &evlist->entries, node) {
+ printed += fprintf(fp, "%s%s", evsel->idx ? ", " : "",
+ perf_evsel__name(evsel));
+ }
+
+ return printed + fprintf(fp, "\n");;
}
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 528c1acd9298..3f1fb66be022 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -5,6 +5,7 @@
#include <stdio.h>
#include "../perf.h"
#include "event.h"
+#include "evsel.h"
#include "util.h"
#include <unistd.h>
@@ -41,8 +42,6 @@ struct perf_evsel_str_handler {
void *handler;
};
-struct perf_evsel;
-
struct perf_evlist *perf_evlist__new(struct cpu_map *cpus,
struct thread_map *threads);
void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
@@ -73,6 +72,8 @@ int perf_evlist__set_tracepoints_handlers(struct perf_evlist *evlist,
#define perf_evlist__set_tracepoints_handlers_array(evlist, array) \
perf_evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array))
+int perf_evlist__set_filter(struct perf_evlist *evlist, const char *filter);
+
struct perf_evsel *
perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id);
@@ -85,7 +86,7 @@ struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx);
-int perf_evlist__open(struct perf_evlist *evlist, bool group);
+int perf_evlist__open(struct perf_evlist *evlist);
void perf_evlist__config_attrs(struct perf_evlist *evlist,
struct perf_record_opts *opts);
@@ -116,20 +117,34 @@ static inline void perf_evlist__set_maps(struct perf_evlist *evlist,
int perf_evlist__create_maps(struct perf_evlist *evlist,
struct perf_target *target);
void perf_evlist__delete_maps(struct perf_evlist *evlist);
-int perf_evlist__set_filters(struct perf_evlist *evlist);
+int perf_evlist__apply_filters(struct perf_evlist *evlist);
+
+void __perf_evlist__set_leader(struct list_head *list);
+void perf_evlist__set_leader(struct perf_evlist *evlist);
-u64 perf_evlist__sample_type(const struct perf_evlist *evlist);
-bool perf_evlist__sample_id_all(const const struct perf_evlist *evlist);
-u16 perf_evlist__id_hdr_size(const struct perf_evlist *evlist);
+u64 perf_evlist__sample_type(struct perf_evlist *evlist);
+bool perf_evlist__sample_id_all(struct perf_evlist *evlist);
+u16 perf_evlist__id_hdr_size(struct perf_evlist *evlist);
int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *event,
- struct perf_sample *sample, bool swapped);
+ struct perf_sample *sample);
-bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist);
-bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist);
+bool perf_evlist__valid_sample_type(struct perf_evlist *evlist);
+bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist);
void perf_evlist__splice_list_tail(struct perf_evlist *evlist,
struct list_head *list,
int nr_entries);
+static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist)
+{
+ return list_entry(evlist->entries.next, struct perf_evsel, node);
+}
+
+static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist)
+{
+ return list_entry(evlist->entries.prev, struct perf_evsel, node);
+}
+
+size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp);
#endif /* __PERF_EVLIST_H */
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 2eaae140def2..ffdd94e9c9c3 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -8,7 +8,10 @@
*/
#include <byteswap.h>
+#include <linux/bitops.h>
#include "asm/bug.h"
+#include "debugfs.h"
+#include "event-parse.h"
#include "evsel.h"
#include "evlist.h"
#include "util.h"
@@ -16,9 +19,10 @@
#include "thread_map.h"
#include "target.h"
#include "../../../include/linux/hw_breakpoint.h"
+#include "../../include/linux/perf_event.h"
+#include "perf_regs.h"
#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
-#define GROUP_FD(group_fd, cpu) (*(int *)xyarray__entry(group_fd, cpu, 0))
static int __perf_evsel__sample_size(u64 sample_type)
{
@@ -66,7 +70,80 @@ struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx)
return evsel;
}
-static const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX] = {
+struct event_format *event_format__new(const char *sys, const char *name)
+{
+ int fd, n;
+ char *filename;
+ void *bf = NULL, *nbf;
+ size_t size = 0, alloc_size = 0;
+ struct event_format *format = NULL;
+
+ if (asprintf(&filename, "%s/%s/%s/format", tracing_events_path, sys, name) < 0)
+ goto out;
+
+ fd = open(filename, O_RDONLY);
+ if (fd < 0)
+ goto out_free_filename;
+
+ do {
+ if (size == alloc_size) {
+ alloc_size += BUFSIZ;
+ nbf = realloc(bf, alloc_size);
+ if (nbf == NULL)
+ goto out_free_bf;
+ bf = nbf;
+ }
+
+ n = read(fd, bf + size, BUFSIZ);
+ if (n < 0)
+ goto out_free_bf;
+ size += n;
+ } while (n > 0);
+
+ pevent_parse_format(&format, bf, size, sys);
+
+out_free_bf:
+ free(bf);
+ close(fd);
+out_free_filename:
+ free(filename);
+out:
+ return format;
+}
+
+struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx)
+{
+ struct perf_evsel *evsel = zalloc(sizeof(*evsel));
+
+ if (evsel != NULL) {
+ struct perf_event_attr attr = {
+ .type = PERF_TYPE_TRACEPOINT,
+ .sample_type = (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME |
+ PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD),
+ };
+
+ if (asprintf(&evsel->name, "%s:%s", sys, name) < 0)
+ goto out_free;
+
+ evsel->tp_format = event_format__new(sys, name);
+ if (evsel->tp_format == NULL)
+ goto out_free;
+
+ event_attr_init(&attr);
+ attr.config = evsel->tp_format->id;
+ attr.sample_period = 1;
+ perf_evsel__init(evsel, &attr, idx);
+ }
+
+ return evsel;
+
+out_free:
+ free(evsel->name);
+ free(evsel);
+ return NULL;
+}
+
+const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX] = {
"cycles",
"instructions",
"cache-references",
@@ -129,12 +206,12 @@ static int perf_evsel__hw_name(struct perf_evsel *evsel, char *bf, size_t size)
return r + perf_evsel__add_modifiers(evsel, bf + r, size - r);
}
-static const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX] = {
+const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX] = {
"cpu-clock",
"task-clock",
"page-faults",
"context-switches",
- "CPU-migrations",
+ "cpu-migrations",
"minor-faults",
"major-faults",
"alignment-faults",
@@ -317,7 +394,8 @@ const char *perf_evsel__name(struct perf_evsel *evsel)
break;
default:
- scnprintf(bf, sizeof(bf), "%s", "unknown attr type");
+ scnprintf(bf, sizeof(bf), "unknown attr type: %d",
+ evsel->attr.type);
break;
}
@@ -367,9 +445,18 @@ void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts,
attr->mmap_data = track;
}
- if (opts->call_graph)
+ if (opts->call_graph) {
attr->sample_type |= PERF_SAMPLE_CALLCHAIN;
+ if (opts->call_graph == CALLCHAIN_DWARF) {
+ attr->sample_type |= PERF_SAMPLE_REGS_USER |
+ PERF_SAMPLE_STACK_USER;
+ attr->sample_regs_user = PERF_REGS_MASK;
+ attr->sample_stack_user = opts->stack_dump_size;
+ attr->exclude_callchain_user = 1;
+ }
+ }
+
if (perf_target__has_cpu(&opts->target))
attr->sample_type |= PERF_SAMPLE_CPU;
@@ -421,6 +508,24 @@ int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads)
return evsel->fd != NULL ? 0 : -ENOMEM;
}
+int perf_evsel__set_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
+ const char *filter)
+{
+ int cpu, thread;
+
+ for (cpu = 0; cpu < ncpus; cpu++) {
+ for (thread = 0; thread < nthreads; thread++) {
+ int fd = FD(evsel, cpu, thread),
+ err = ioctl(fd, PERF_EVENT_IOC_SET_FILTER, filter);
+
+ if (err)
+ return err;
+ }
+ }
+
+ return 0;
+}
+
int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads)
{
evsel->sample_id = xyarray__new(ncpus, nthreads, sizeof(struct perf_sample_id));
@@ -481,6 +586,9 @@ void perf_evsel__delete(struct perf_evsel *evsel)
{
perf_evsel__exit(evsel);
close_cgroup(evsel->cgrp);
+ free(evsel->group_name);
+ if (evsel->tp_format)
+ pevent_free_format(evsel->tp_format);
free(evsel->name);
free(evsel);
}
@@ -556,9 +664,28 @@ int __perf_evsel__read(struct perf_evsel *evsel,
return 0;
}
+static int get_group_fd(struct perf_evsel *evsel, int cpu, int thread)
+{
+ struct perf_evsel *leader = evsel->leader;
+ int fd;
+
+ if (!leader)
+ return -1;
+
+ /*
+ * Leader must be already processed/open,
+ * if not it's a bug.
+ */
+ BUG_ON(!leader->fd);
+
+ fd = FD(leader, cpu, thread);
+ BUG_ON(fd == -1);
+
+ return fd;
+}
+
static int __perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
- struct thread_map *threads, bool group,
- struct xyarray *group_fds)
+ struct thread_map *threads)
{
int cpu, thread;
unsigned long flags = 0;
@@ -574,13 +701,15 @@ static int __perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
}
for (cpu = 0; cpu < cpus->nr; cpu++) {
- int group_fd = group_fds ? GROUP_FD(group_fds, cpu) : -1;
for (thread = 0; thread < threads->nr; thread++) {
+ int group_fd;
if (!evsel->cgrp)
pid = threads->map[thread];
+ group_fd = get_group_fd(evsel, cpu, thread);
+
FD(evsel, cpu, thread) = sys_perf_event_open(&evsel->attr,
pid,
cpus->map[cpu],
@@ -589,9 +718,6 @@ static int __perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
err = -errno;
goto out_close;
}
-
- if (group && group_fd == -1)
- group_fd = FD(evsel, cpu, thread);
}
}
@@ -635,8 +761,7 @@ static struct {
};
int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
- struct thread_map *threads, bool group,
- struct xyarray *group_fd)
+ struct thread_map *threads)
{
if (cpus == NULL) {
/* Work around old compiler warnings about strict aliasing */
@@ -646,30 +771,28 @@ int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
if (threads == NULL)
threads = &empty_thread_map.map;
- return __perf_evsel__open(evsel, cpus, threads, group, group_fd);
+ return __perf_evsel__open(evsel, cpus, threads);
}
int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
- struct cpu_map *cpus, bool group,
- struct xyarray *group_fd)
+ struct cpu_map *cpus)
{
- return __perf_evsel__open(evsel, cpus, &empty_thread_map.map, group,
- group_fd);
+ return __perf_evsel__open(evsel, cpus, &empty_thread_map.map);
}
int perf_evsel__open_per_thread(struct perf_evsel *evsel,
- struct thread_map *threads, bool group,
- struct xyarray *group_fd)
+ struct thread_map *threads)
{
- return __perf_evsel__open(evsel, &empty_cpu_map.map, threads, group,
- group_fd);
+ return __perf_evsel__open(evsel, &empty_cpu_map.map, threads);
}
-static int perf_event__parse_id_sample(const union perf_event *event, u64 type,
- struct perf_sample *sample,
- bool swapped)
+static int perf_evsel__parse_id_sample(const struct perf_evsel *evsel,
+ const union perf_event *event,
+ struct perf_sample *sample)
{
+ u64 type = evsel->attr.sample_type;
const u64 *array = event->sample.array;
+ bool swapped = evsel->needs_swap;
union u64_swap u;
array += ((event->header.size -
@@ -730,9 +853,11 @@ static bool sample_overlap(const union perf_event *event,
}
int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
- struct perf_sample *data, bool swapped)
+ struct perf_sample *data)
{
u64 type = evsel->attr.sample_type;
+ u64 regs_user = evsel->attr.sample_regs_user;
+ bool swapped = evsel->needs_swap;
const u64 *array;
/*
@@ -749,7 +874,7 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
if (event->header.type != PERF_RECORD_SAMPLE) {
if (!evsel->attr.sample_id_all)
return 0;
- return perf_event__parse_id_sample(event, type, data, swapped);
+ return perf_evsel__parse_id_sample(evsel, event, data);
}
array = event->sample.array;
@@ -869,6 +994,32 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
sz /= sizeof(u64);
array += sz;
}
+
+ if (type & PERF_SAMPLE_REGS_USER) {
+ /* First u64 tells us if we have any regs in sample. */
+ u64 avail = *array++;
+
+ if (avail) {
+ data->user_regs.regs = (u64 *)array;
+ array += hweight_long(regs_user);
+ }
+ }
+
+ if (type & PERF_SAMPLE_STACK_USER) {
+ u64 size = *array++;
+
+ data->user_stack.offset = ((char *)(array - 1)
+ - (char *) event);
+
+ if (!size) {
+ data->user_stack.size = 0;
+ } else {
+ data->user_stack.data = (char *)array;
+ array += size / sizeof(*array);
+ data->user_stack.size = *array;
+ }
+ }
+
return 0;
}
@@ -947,3 +1098,72 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type,
return 0;
}
+
+struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name)
+{
+ return pevent_find_field(evsel->tp_format, name);
+}
+
+void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
+ const char *name)
+{
+ struct format_field *field = perf_evsel__field(evsel, name);
+ int offset;
+
+ if (!field)
+ return NULL;
+
+ offset = field->offset;
+
+ if (field->flags & FIELD_IS_DYNAMIC) {
+ offset = *(int *)(sample->raw_data + field->offset);
+ offset &= 0xffff;
+ }
+
+ return sample->raw_data + offset;
+}
+
+u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
+ const char *name)
+{
+ struct format_field *field = perf_evsel__field(evsel, name);
+ void *ptr;
+ u64 value;
+
+ if (!field)
+ return 0;
+
+ ptr = sample->raw_data + field->offset;
+
+ switch (field->size) {
+ case 1:
+ return *(u8 *)ptr;
+ case 2:
+ value = *(u16 *)ptr;
+ break;
+ case 4:
+ value = *(u32 *)ptr;
+ break;
+ case 8:
+ value = *(u64 *)ptr;
+ break;
+ default:
+ return 0;
+ }
+
+ if (!evsel->needs_swap)
+ return value;
+
+ switch (field->size) {
+ case 2:
+ return bswap_16(value);
+ case 4:
+ return bswap_32(value);
+ case 8:
+ return bswap_64(value);
+ default:
+ return 0;
+ }
+
+ return 0;
+}
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index b559929983bb..3ead0d59c03d 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -53,9 +53,10 @@ struct perf_evsel {
u64 *id;
struct perf_counts *counts;
int idx;
- int ids;
+ u32 ids;
struct hists hists;
char *name;
+ struct event_format *tp_format;
union {
void *priv;
off_t id_offset;
@@ -65,8 +66,14 @@ struct perf_evsel {
void *func;
void *data;
} handler;
+ struct cpu_map *cpus;
unsigned int sample_size;
bool supported;
+ bool needs_swap;
+ /* parse modifier helper */
+ int exclude_GH;
+ struct perf_evsel *leader;
+ char *group_name;
};
struct cpu_map;
@@ -75,6 +82,10 @@ struct perf_evlist;
struct perf_record_opts;
struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx);
+struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx);
+
+struct event_format *event_format__new(const char *sys, const char *name);
+
void perf_evsel__init(struct perf_evsel *evsel,
struct perf_event_attr *attr, int idx);
void perf_evsel__exit(struct perf_evsel *evsel);
@@ -92,8 +103,10 @@ extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
[PERF_EVSEL__MAX_ALIASES];
extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
[PERF_EVSEL__MAX_ALIASES];
-const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
- [PERF_EVSEL__MAX_ALIASES];
+extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
+ [PERF_EVSEL__MAX_ALIASES];
+extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
+extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
char *bf, size_t size);
const char *perf_evsel__name(struct perf_evsel *evsel);
@@ -105,21 +118,46 @@ void perf_evsel__free_fd(struct perf_evsel *evsel);
void perf_evsel__free_id(struct perf_evsel *evsel);
void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
+int perf_evsel__set_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
+ const char *filter);
+
int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
- struct cpu_map *cpus, bool group,
- struct xyarray *group_fds);
+ struct cpu_map *cpus);
int perf_evsel__open_per_thread(struct perf_evsel *evsel,
- struct thread_map *threads, bool group,
- struct xyarray *group_fds);
+ struct thread_map *threads);
int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
- struct thread_map *threads, bool group,
- struct xyarray *group_fds);
+ struct thread_map *threads);
void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);
+struct perf_sample;
+
+void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
+ const char *name);
+u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
+ const char *name);
+
+static inline char *perf_evsel__strval(struct perf_evsel *evsel,
+ struct perf_sample *sample,
+ const char *name)
+{
+ return perf_evsel__rawptr(evsel, sample, name);
+}
+
+struct format_field;
+
+struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
+
#define perf_evsel__match(evsel, t, c) \
(evsel->attr.type == PERF_TYPE_##t && \
evsel->attr.config == PERF_COUNT_##c)
+static inline bool perf_evsel__match2(struct perf_evsel *e1,
+ struct perf_evsel *e2)
+{
+ return (e1->attr.type == e2->attr.type) &&
+ (e1->attr.config == e2->attr.config);
+}
+
int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
int cpu, int thread, bool scale);
@@ -181,5 +219,10 @@ static inline int perf_evsel__read_scaled(struct perf_evsel *evsel,
void hists__init(struct hists *hists);
int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
- struct perf_sample *sample, bool swapped);
+ struct perf_sample *sample);
+
+static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
+{
+ return list_entry(evsel->node.next, struct perf_evsel, node);
+}
#endif /* __PERF_EVSEL_H */
diff --git a/tools/perf/util/generate-cmdlist.sh b/tools/perf/util/generate-cmdlist.sh
index f06f6fd148f8..389590c1ad21 100755
--- a/tools/perf/util/generate-cmdlist.sh
+++ b/tools/perf/util/generate-cmdlist.sh
@@ -21,4 +21,19 @@ do
p
}' "Documentation/perf-$cmd.txt"
done
+
+echo "#ifndef NO_LIBELF_SUPPORT"
+sed -n -e 's/^perf-\([^ ]*\)[ ].* full.*/\1/p' command-list.txt |
+sort |
+while read cmd
+do
+ sed -n '
+ /^NAME/,/perf-'"$cmd"'/H
+ ${
+ x
+ s/.*perf-'"$cmd"' - \(.*\)/ {"'"$cmd"'", "\1"},/
+ p
+ }' "Documentation/perf-$cmd.txt"
+done
+echo "#endif /* NO_LIBELF_SUPPORT */"
echo "};"
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 74ea3c2f8138..7daad237dea5 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -20,11 +20,14 @@
#include "symbol.h"
#include "debug.h"
#include "cpumap.h"
+#include "pmu.h"
+#include "vdso.h"
+#include "strbuf.h"
static bool no_buildid_cache = false;
-static int event_count;
-static struct perf_trace_event_type *events;
+static int trace_event_count;
+static struct perf_trace_event_type *trace_events;
static u32 header_argc;
static const char **header_argv;
@@ -36,24 +39,24 @@ int perf_header__push_event(u64 id, const char *name)
if (strlen(name) > MAX_EVENT_NAME)
pr_warning("Event %s will be truncated\n", name);
- nevents = realloc(events, (event_count + 1) * sizeof(*events));
+ nevents = realloc(trace_events, (trace_event_count + 1) * sizeof(*trace_events));
if (nevents == NULL)
return -ENOMEM;
- events = nevents;
+ trace_events = nevents;
- memset(&events[event_count], 0, sizeof(struct perf_trace_event_type));
- events[event_count].event_id = id;
- strncpy(events[event_count].name, name, MAX_EVENT_NAME - 1);
- event_count++;
+ memset(&trace_events[trace_event_count], 0, sizeof(struct perf_trace_event_type));
+ trace_events[trace_event_count].event_id = id;
+ strncpy(trace_events[trace_event_count].name, name, MAX_EVENT_NAME - 1);
+ trace_event_count++;
return 0;
}
char *perf_header__find_event(u64 id)
{
int i;
- for (i = 0 ; i < event_count; i++) {
- if (events[i].event_id == id)
- return events[i].name;
+ for (i = 0 ; i < trace_event_count; i++) {
+ if (trace_events[i].event_id == id)
+ return trace_events[i].name;
}
return NULL;
}
@@ -128,7 +131,7 @@ static int do_write_string(int fd, const char *str)
int ret;
olen = strlen(str) + 1;
- len = ALIGN(olen, NAME_ALIGN);
+ len = PERF_ALIGN(olen, NAME_ALIGN);
/* write len, incl. \0 */
ret = do_write(fd, &len, sizeof(len));
@@ -206,6 +209,29 @@ perf_header__set_cmdline(int argc, const char **argv)
continue; \
else
+static int write_buildid(char *name, size_t name_len, u8 *build_id,
+ pid_t pid, u16 misc, int fd)
+{
+ int err;
+ struct build_id_event b;
+ size_t len;
+
+ len = name_len + 1;
+ len = PERF_ALIGN(len, NAME_ALIGN);
+
+ memset(&b, 0, sizeof(b));
+ memcpy(&b.build_id, build_id, BUILD_ID_SIZE);
+ b.pid = pid;
+ b.header.misc = misc;
+ b.header.size = sizeof(b) + len;
+
+ err = do_write(fd, &b, sizeof(b));
+ if (err < 0)
+ return err;
+
+ return write_padded(fd, name, name_len + 1, len);
+}
+
static int __dsos__write_buildid_table(struct list_head *head, pid_t pid,
u16 misc, int fd)
{
@@ -213,24 +239,23 @@ static int __dsos__write_buildid_table(struct list_head *head, pid_t pid,
dsos__for_each_with_build_id(pos, head) {
int err;
- struct build_id_event b;
- size_t len;
+ char *name;
+ size_t name_len;
if (!pos->hit)
continue;
- len = pos->long_name_len + 1;
- len = ALIGN(len, NAME_ALIGN);
- memset(&b, 0, sizeof(b));
- memcpy(&b.build_id, pos->build_id, sizeof(pos->build_id));
- b.pid = pid;
- b.header.misc = misc;
- b.header.size = sizeof(b) + len;
- err = do_write(fd, &b, sizeof(b));
- if (err < 0)
- return err;
- err = write_padded(fd, pos->long_name,
- pos->long_name_len + 1, len);
- if (err < 0)
+
+ if (is_vdso_map(pos->short_name)) {
+ name = (char *) VDSO__MAP_NAME;
+ name_len = sizeof(VDSO__MAP_NAME) + 1;
+ } else {
+ name = pos->long_name;
+ name_len = pos->long_name_len + 1;
+ }
+
+ err = write_buildid(name, name_len, pos->build_id,
+ pid, misc, fd);
+ if (err)
return err;
}
@@ -276,19 +301,20 @@ static int dsos__write_buildid_table(struct perf_header *header, int fd)
}
int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
- const char *name, bool is_kallsyms)
+ const char *name, bool is_kallsyms, bool is_vdso)
{
const size_t size = PATH_MAX;
char *realname, *filename = zalloc(size),
*linkname = zalloc(size), *targetname;
int len, err = -1;
+ bool slash = is_kallsyms || is_vdso;
if (is_kallsyms) {
if (symbol_conf.kptr_restrict) {
pr_debug("Not caching a kptr_restrict'ed /proc/kallsyms\n");
return 0;
}
- realname = (char *)name;
+ realname = (char *) name;
} else
realname = realpath(name, NULL);
@@ -296,7 +322,8 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
goto out_free;
len = scnprintf(filename, size, "%s%s%s",
- debugdir, is_kallsyms ? "/" : "", realname);
+ debugdir, slash ? "/" : "",
+ is_vdso ? VDSO__MAP_NAME : realname);
if (mkdir_p(filename, 0755))
goto out_free;
@@ -332,13 +359,14 @@ out_free:
static int build_id_cache__add_b(const u8 *build_id, size_t build_id_size,
const char *name, const char *debugdir,
- bool is_kallsyms)
+ bool is_kallsyms, bool is_vdso)
{
char sbuild_id[BUILD_ID_SIZE * 2 + 1];
build_id__sprintf(build_id, build_id_size, sbuild_id);
- return build_id_cache__add_s(sbuild_id, debugdir, name, is_kallsyms);
+ return build_id_cache__add_s(sbuild_id, debugdir, name,
+ is_kallsyms, is_vdso);
}
int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir)
@@ -382,9 +410,11 @@ out_free:
static int dso__cache_build_id(struct dso *dso, const char *debugdir)
{
bool is_kallsyms = dso->kernel && dso->long_name[0] != '/';
+ bool is_vdso = is_vdso_map(dso->short_name);
return build_id_cache__add_b(dso->build_id, sizeof(dso->build_id),
- dso->long_name, debugdir, is_kallsyms);
+ dso->long_name, debugdir,
+ is_kallsyms, is_vdso);
}
static int __dsos__cache_build_ids(struct list_head *head, const char *debugdir)
@@ -446,7 +476,7 @@ static bool perf_session__read_build_ids(struct perf_session *session, bool with
return ret;
}
-static int write_tracing_data(int fd, struct perf_header *h __used,
+static int write_tracing_data(int fd, struct perf_header *h __maybe_unused,
struct perf_evlist *evlist)
{
return read_tracing_data(fd, &evlist->entries);
@@ -454,7 +484,7 @@ static int write_tracing_data(int fd, struct perf_header *h __used,
static int write_build_id(int fd, struct perf_header *h,
- struct perf_evlist *evlist __used)
+ struct perf_evlist *evlist __maybe_unused)
{
struct perf_session *session;
int err;
@@ -475,8 +505,8 @@ static int write_build_id(int fd, struct perf_header *h,
return 0;
}
-static int write_hostname(int fd, struct perf_header *h __used,
- struct perf_evlist *evlist __used)
+static int write_hostname(int fd, struct perf_header *h __maybe_unused,
+ struct perf_evlist *evlist __maybe_unused)
{
struct utsname uts;
int ret;
@@ -488,8 +518,8 @@ static int write_hostname(int fd, struct perf_header *h __used,
return do_write_string(fd, uts.nodename);
}
-static int write_osrelease(int fd, struct perf_header *h __used,
- struct perf_evlist *evlist __used)
+static int write_osrelease(int fd, struct perf_header *h __maybe_unused,
+ struct perf_evlist *evlist __maybe_unused)
{
struct utsname uts;
int ret;
@@ -501,8 +531,8 @@ static int write_osrelease(int fd, struct perf_header *h __used,
return do_write_string(fd, uts.release);
}
-static int write_arch(int fd, struct perf_header *h __used,
- struct perf_evlist *evlist __used)
+static int write_arch(int fd, struct perf_header *h __maybe_unused,
+ struct perf_evlist *evlist __maybe_unused)
{
struct utsname uts;
int ret;
@@ -514,14 +544,14 @@ static int write_arch(int fd, struct perf_header *h __used,
return do_write_string(fd, uts.machine);
}
-static int write_version(int fd, struct perf_header *h __used,
- struct perf_evlist *evlist __used)
+static int write_version(int fd, struct perf_header *h __maybe_unused,
+ struct perf_evlist *evlist __maybe_unused)
{
return do_write_string(fd, perf_version_string);
}
-static int write_cpudesc(int fd, struct perf_header *h __used,
- struct perf_evlist *evlist __used)
+static int write_cpudesc(int fd, struct perf_header *h __maybe_unused,
+ struct perf_evlist *evlist __maybe_unused)
{
#ifndef CPUINFO_PROC
#define CPUINFO_PROC NULL
@@ -579,8 +609,8 @@ done:
return ret;
}
-static int write_nrcpus(int fd, struct perf_header *h __used,
- struct perf_evlist *evlist __used)
+static int write_nrcpus(int fd, struct perf_header *h __maybe_unused,
+ struct perf_evlist *evlist __maybe_unused)
{
long nr;
u32 nrc, nra;
@@ -605,15 +635,14 @@ static int write_nrcpus(int fd, struct perf_header *h __used,
return do_write(fd, &nra, sizeof(nra));
}
-static int write_event_desc(int fd, struct perf_header *h __used,
+static int write_event_desc(int fd, struct perf_header *h __maybe_unused,
struct perf_evlist *evlist)
{
- struct perf_evsel *attr;
- u32 nre = 0, nri, sz;
+ struct perf_evsel *evsel;
+ u32 nre, nri, sz;
int ret;
- list_for_each_entry(attr, &evlist->entries, node)
- nre++;
+ nre = evlist->nr_entries;
/*
* write number of events
@@ -625,14 +654,14 @@ static int write_event_desc(int fd, struct perf_header *h __used,
/*
* size of perf_event_attr struct
*/
- sz = (u32)sizeof(attr->attr);
+ sz = (u32)sizeof(evsel->attr);
ret = do_write(fd, &sz, sizeof(sz));
if (ret < 0)
return ret;
- list_for_each_entry(attr, &evlist->entries, node) {
+ list_for_each_entry(evsel, &evlist->entries, node) {
- ret = do_write(fd, &attr->attr, sz);
+ ret = do_write(fd, &evsel->attr, sz);
if (ret < 0)
return ret;
/*
@@ -642,7 +671,7 @@ static int write_event_desc(int fd, struct perf_header *h __used,
* copy into an nri to be independent of the
* type of ids,
*/
- nri = attr->ids;
+ nri = evsel->ids;
ret = do_write(fd, &nri, sizeof(nri));
if (ret < 0)
return ret;
@@ -650,21 +679,21 @@ static int write_event_desc(int fd, struct perf_header *h __used,
/*
* write event string as passed on cmdline
*/
- ret = do_write_string(fd, perf_evsel__name(attr));
+ ret = do_write_string(fd, perf_evsel__name(evsel));
if (ret < 0)
return ret;
/*
* write unique ids for this event
*/
- ret = do_write(fd, attr->id, attr->ids * sizeof(u64));
+ ret = do_write(fd, evsel->id, evsel->ids * sizeof(u64));
if (ret < 0)
return ret;
}
return 0;
}
-static int write_cmdline(int fd, struct perf_header *h __used,
- struct perf_evlist *evlist __used)
+static int write_cmdline(int fd, struct perf_header *h __maybe_unused,
+ struct perf_evlist *evlist __maybe_unused)
{
char buf[MAXPATHLEN];
char proc[32];
@@ -832,8 +861,8 @@ static struct cpu_topo *build_cpu_topology(void)
return tp;
}
-static int write_cpu_topology(int fd, struct perf_header *h __used,
- struct perf_evlist *evlist __used)
+static int write_cpu_topology(int fd, struct perf_header *h __maybe_unused,
+ struct perf_evlist *evlist __maybe_unused)
{
struct cpu_topo *tp;
u32 i;
@@ -868,8 +897,8 @@ done:
-static int write_total_mem(int fd, struct perf_header *h __used,
- struct perf_evlist *evlist __used)
+static int write_total_mem(int fd, struct perf_header *h __maybe_unused,
+ struct perf_evlist *evlist __maybe_unused)
{
char *buf = NULL;
FILE *fp;
@@ -954,8 +983,8 @@ done:
return ret;
}
-static int write_numa_topology(int fd, struct perf_header *h __used,
- struct perf_evlist *evlist __used)
+static int write_numa_topology(int fd, struct perf_header *h __maybe_unused,
+ struct perf_evlist *evlist __maybe_unused)
{
char *buf = NULL;
size_t len = 0;
@@ -1004,16 +1033,56 @@ done:
}
/*
+ * File format:
+ *
+ * struct pmu_mappings {
+ * u32 pmu_num;
+ * struct pmu_map {
+ * u32 type;
+ * char name[];
+ * }[pmu_num];
+ * };
+ */
+
+static int write_pmu_mappings(int fd, struct perf_header *h __maybe_unused,
+ struct perf_evlist *evlist __maybe_unused)
+{
+ struct perf_pmu *pmu = NULL;
+ off_t offset = lseek(fd, 0, SEEK_CUR);
+ __u32 pmu_num = 0;
+
+ /* write real pmu_num later */
+ do_write(fd, &pmu_num, sizeof(pmu_num));
+
+ while ((pmu = perf_pmu__scan(pmu))) {
+ if (!pmu->name)
+ continue;
+ pmu_num++;
+ do_write(fd, &pmu->type, sizeof(pmu->type));
+ do_write_string(fd, pmu->name);
+ }
+
+ if (pwrite(fd, &pmu_num, sizeof(pmu_num), offset) != sizeof(pmu_num)) {
+ /* discard all */
+ lseek(fd, offset, SEEK_SET);
+ return -1;
+ }
+
+ return 0;
+}
+
+/*
* default get_cpuid(): nothing gets recorded
* actual implementation must be in arch/$(ARCH)/util/header.c
*/
-int __attribute__((weak)) get_cpuid(char *buffer __used, size_t sz __used)
+int __attribute__ ((weak)) get_cpuid(char *buffer __maybe_unused,
+ size_t sz __maybe_unused)
{
return -1;
}
-static int write_cpuid(int fd, struct perf_header *h __used,
- struct perf_evlist *evlist __used)
+static int write_cpuid(int fd, struct perf_header *h __maybe_unused,
+ struct perf_evlist *evlist __maybe_unused)
{
char buffer[64];
int ret;
@@ -1027,133 +1096,113 @@ write_it:
return do_write_string(fd, buffer);
}
-static int write_branch_stack(int fd __used, struct perf_header *h __used,
- struct perf_evlist *evlist __used)
+static int write_branch_stack(int fd __maybe_unused,
+ struct perf_header *h __maybe_unused,
+ struct perf_evlist *evlist __maybe_unused)
{
return 0;
}
-static void print_hostname(struct perf_header *ph, int fd, FILE *fp)
+static void print_hostname(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
- char *str = do_read_string(fd, ph);
- fprintf(fp, "# hostname : %s\n", str);
- free(str);
+ fprintf(fp, "# hostname : %s\n", ph->env.hostname);
}
-static void print_osrelease(struct perf_header *ph, int fd, FILE *fp)
+static void print_osrelease(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
- char *str = do_read_string(fd, ph);
- fprintf(fp, "# os release : %s\n", str);
- free(str);
+ fprintf(fp, "# os release : %s\n", ph->env.os_release);
}
-static void print_arch(struct perf_header *ph, int fd, FILE *fp)
+static void print_arch(struct perf_header *ph, int fd __maybe_unused, FILE *fp)
{
- char *str = do_read_string(fd, ph);
- fprintf(fp, "# arch : %s\n", str);
- free(str);
+ fprintf(fp, "# arch : %s\n", ph->env.arch);
}
-static void print_cpudesc(struct perf_header *ph, int fd, FILE *fp)
+static void print_cpudesc(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
- char *str = do_read_string(fd, ph);
- fprintf(fp, "# cpudesc : %s\n", str);
- free(str);
+ fprintf(fp, "# cpudesc : %s\n", ph->env.cpu_desc);
}
-static void print_nrcpus(struct perf_header *ph, int fd, FILE *fp)
+static void print_nrcpus(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
- ssize_t ret;
- u32 nr;
-
- ret = read(fd, &nr, sizeof(nr));
- if (ret != (ssize_t)sizeof(nr))
- nr = -1; /* interpreted as error */
-
- if (ph->needs_swap)
- nr = bswap_32(nr);
-
- fprintf(fp, "# nrcpus online : %u\n", nr);
-
- ret = read(fd, &nr, sizeof(nr));
- if (ret != (ssize_t)sizeof(nr))
- nr = -1; /* interpreted as error */
-
- if (ph->needs_swap)
- nr = bswap_32(nr);
-
- fprintf(fp, "# nrcpus avail : %u\n", nr);
+ fprintf(fp, "# nrcpus online : %u\n", ph->env.nr_cpus_online);
+ fprintf(fp, "# nrcpus avail : %u\n", ph->env.nr_cpus_avail);
}
-static void print_version(struct perf_header *ph, int fd, FILE *fp)
+static void print_version(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
- char *str = do_read_string(fd, ph);
- fprintf(fp, "# perf version : %s\n", str);
- free(str);
+ fprintf(fp, "# perf version : %s\n", ph->env.version);
}
-static void print_cmdline(struct perf_header *ph, int fd, FILE *fp)
+static void print_cmdline(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
- ssize_t ret;
+ int nr, i;
char *str;
- u32 nr, i;
-
- ret = read(fd, &nr, sizeof(nr));
- if (ret != (ssize_t)sizeof(nr))
- return;
- if (ph->needs_swap)
- nr = bswap_32(nr);
+ nr = ph->env.nr_cmdline;
+ str = ph->env.cmdline;
fprintf(fp, "# cmdline : ");
for (i = 0; i < nr; i++) {
- str = do_read_string(fd, ph);
fprintf(fp, "%s ", str);
- free(str);
+ str += strlen(str) + 1;
}
fputc('\n', fp);
}
-static void print_cpu_topology(struct perf_header *ph, int fd, FILE *fp)
+static void print_cpu_topology(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
- ssize_t ret;
- u32 nr, i;
+ int nr, i;
char *str;
- ret = read(fd, &nr, sizeof(nr));
- if (ret != (ssize_t)sizeof(nr))
- return;
-
- if (ph->needs_swap)
- nr = bswap_32(nr);
+ nr = ph->env.nr_sibling_cores;
+ str = ph->env.sibling_cores;
for (i = 0; i < nr; i++) {
- str = do_read_string(fd, ph);
fprintf(fp, "# sibling cores : %s\n", str);
- free(str);
+ str += strlen(str) + 1;
}
- ret = read(fd, &nr, sizeof(nr));
- if (ret != (ssize_t)sizeof(nr))
- return;
-
- if (ph->needs_swap)
- nr = bswap_32(nr);
+ nr = ph->env.nr_sibling_threads;
+ str = ph->env.sibling_threads;
for (i = 0; i < nr; i++) {
- str = do_read_string(fd, ph);
fprintf(fp, "# sibling threads : %s\n", str);
- free(str);
+ str += strlen(str) + 1;
}
}
-static void print_event_desc(struct perf_header *ph, int fd, FILE *fp)
+static void free_event_desc(struct perf_evsel *events)
+{
+ struct perf_evsel *evsel;
+
+ if (!events)
+ return;
+
+ for (evsel = events; evsel->attr.size; evsel++) {
+ if (evsel->name)
+ free(evsel->name);
+ if (evsel->id)
+ free(evsel->id);
+ }
+
+ free(events);
+}
+
+static struct perf_evsel *
+read_event_desc(struct perf_header *ph, int fd)
{
- struct perf_event_attr attr;
- uint64_t id;
+ struct perf_evsel *evsel, *events = NULL;
+ u64 *id;
void *buf = NULL;
- char *str;
u32 nre, sz, nr, i, j;
ssize_t ret;
size_t msz;
@@ -1173,18 +1222,22 @@ static void print_event_desc(struct perf_header *ph, int fd, FILE *fp)
if (ph->needs_swap)
sz = bswap_32(sz);
- memset(&attr, 0, sizeof(attr));
-
/* buffer to hold on file attr struct */
buf = malloc(sz);
if (!buf)
goto error;
- msz = sizeof(attr);
+ /* the last event terminates with evsel->attr.size == 0: */
+ events = calloc(nre + 1, sizeof(*events));
+ if (!events)
+ goto error;
+
+ msz = sizeof(evsel->attr);
if (sz < msz)
msz = sz;
- for (i = 0 ; i < nre; i++) {
+ for (i = 0, evsel = events; i < nre; evsel++, i++) {
+ evsel->idx = i;
/*
* must read entire on-file attr struct to
@@ -1197,146 +1250,188 @@ static void print_event_desc(struct perf_header *ph, int fd, FILE *fp)
if (ph->needs_swap)
perf_event__attr_swap(buf);
- memcpy(&attr, buf, msz);
+ memcpy(&evsel->attr, buf, msz);
ret = read(fd, &nr, sizeof(nr));
if (ret != (ssize_t)sizeof(nr))
goto error;
- if (ph->needs_swap)
+ if (ph->needs_swap) {
nr = bswap_32(nr);
+ evsel->needs_swap = true;
+ }
- str = do_read_string(fd, ph);
- fprintf(fp, "# event : name = %s, ", str);
- free(str);
+ evsel->name = do_read_string(fd, ph);
+
+ if (!nr)
+ continue;
+
+ id = calloc(nr, sizeof(*id));
+ if (!id)
+ goto error;
+ evsel->ids = nr;
+ evsel->id = id;
+
+ for (j = 0 ; j < nr; j++) {
+ ret = read(fd, id, sizeof(*id));
+ if (ret != (ssize_t)sizeof(*id))
+ goto error;
+ if (ph->needs_swap)
+ *id = bswap_64(*id);
+ id++;
+ }
+ }
+out:
+ if (buf)
+ free(buf);
+ return events;
+error:
+ if (events)
+ free_event_desc(events);
+ events = NULL;
+ goto out;
+}
+
+static void print_event_desc(struct perf_header *ph, int fd, FILE *fp)
+{
+ struct perf_evsel *evsel, *events = read_event_desc(ph, fd);
+ u32 j;
+ u64 *id;
+
+ if (!events) {
+ fprintf(fp, "# event desc: not available or unable to read\n");
+ return;
+ }
+
+ for (evsel = events; evsel->attr.size; evsel++) {
+ fprintf(fp, "# event : name = %s, ", evsel->name);
fprintf(fp, "type = %d, config = 0x%"PRIx64
", config1 = 0x%"PRIx64", config2 = 0x%"PRIx64,
- attr.type,
- (u64)attr.config,
- (u64)attr.config1,
- (u64)attr.config2);
+ evsel->attr.type,
+ (u64)evsel->attr.config,
+ (u64)evsel->attr.config1,
+ (u64)evsel->attr.config2);
fprintf(fp, ", excl_usr = %d, excl_kern = %d",
- attr.exclude_user,
- attr.exclude_kernel);
+ evsel->attr.exclude_user,
+ evsel->attr.exclude_kernel);
fprintf(fp, ", excl_host = %d, excl_guest = %d",
- attr.exclude_host,
- attr.exclude_guest);
+ evsel->attr.exclude_host,
+ evsel->attr.exclude_guest);
- fprintf(fp, ", precise_ip = %d", attr.precise_ip);
+ fprintf(fp, ", precise_ip = %d", evsel->attr.precise_ip);
- if (nr)
+ if (evsel->ids) {
fprintf(fp, ", id = {");
-
- for (j = 0 ; j < nr; j++) {
- ret = read(fd, &id, sizeof(id));
- if (ret != (ssize_t)sizeof(id))
- goto error;
-
- if (ph->needs_swap)
- id = bswap_64(id);
-
- if (j)
- fputc(',', fp);
-
- fprintf(fp, " %"PRIu64, id);
- }
- if (nr && j == nr)
+ for (j = 0, id = evsel->id; j < evsel->ids; j++, id++) {
+ if (j)
+ fputc(',', fp);
+ fprintf(fp, " %"PRIu64, *id);
+ }
fprintf(fp, " }");
+ }
+
fputc('\n', fp);
}
- free(buf);
- return;
-error:
- fprintf(fp, "# event desc: not available or unable to read\n");
+
+ free_event_desc(events);
}
-static void print_total_mem(struct perf_header *h __used, int fd, FILE *fp)
+static void print_total_mem(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
- uint64_t mem;
- ssize_t ret;
-
- ret = read(fd, &mem, sizeof(mem));
- if (ret != sizeof(mem))
- goto error;
-
- if (h->needs_swap)
- mem = bswap_64(mem);
-
- fprintf(fp, "# total memory : %"PRIu64" kB\n", mem);
- return;
-error:
- fprintf(fp, "# total memory : unknown\n");
+ fprintf(fp, "# total memory : %Lu kB\n", ph->env.total_mem);
}
-static void print_numa_topology(struct perf_header *h __used, int fd, FILE *fp)
+static void print_numa_topology(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
- ssize_t ret;
u32 nr, c, i;
- char *str;
+ char *str, *tmp;
uint64_t mem_total, mem_free;
/* nr nodes */
- ret = read(fd, &nr, sizeof(nr));
- if (ret != (ssize_t)sizeof(nr))
- goto error;
-
- if (h->needs_swap)
- nr = bswap_32(nr);
+ nr = ph->env.nr_numa_nodes;
+ str = ph->env.numa_nodes;
for (i = 0; i < nr; i++) {
-
/* node number */
- ret = read(fd, &c, sizeof(c));
- if (ret != (ssize_t)sizeof(c))
+ c = strtoul(str, &tmp, 0);
+ if (*tmp != ':')
goto error;
- if (h->needs_swap)
- c = bswap_32(c);
-
- ret = read(fd, &mem_total, sizeof(u64));
- if (ret != sizeof(u64))
+ str = tmp + 1;
+ mem_total = strtoull(str, &tmp, 0);
+ if (*tmp != ':')
goto error;
- ret = read(fd, &mem_free, sizeof(u64));
- if (ret != sizeof(u64))
+ str = tmp + 1;
+ mem_free = strtoull(str, &tmp, 0);
+ if (*tmp != ':')
goto error;
- if (h->needs_swap) {
- mem_total = bswap_64(mem_total);
- mem_free = bswap_64(mem_free);
- }
-
fprintf(fp, "# node%u meminfo : total = %"PRIu64" kB,"
" free = %"PRIu64" kB\n",
- c,
- mem_total,
- mem_free);
+ c, mem_total, mem_free);
- str = do_read_string(fd, h);
+ str = tmp + 1;
fprintf(fp, "# node%u cpu list : %s\n", c, str);
- free(str);
}
return;
error:
fprintf(fp, "# numa topology : not available\n");
}
-static void print_cpuid(struct perf_header *ph, int fd, FILE *fp)
+static void print_cpuid(struct perf_header *ph, int fd __maybe_unused, FILE *fp)
{
- char *str = do_read_string(fd, ph);
- fprintf(fp, "# cpuid : %s\n", str);
- free(str);
+ fprintf(fp, "# cpuid : %s\n", ph->env.cpuid);
}
-static void print_branch_stack(struct perf_header *ph __used, int fd __used,
- FILE *fp)
+static void print_branch_stack(struct perf_header *ph __maybe_unused,
+ int fd __maybe_unused, FILE *fp)
{
fprintf(fp, "# contains samples with branch stack\n");
}
+static void print_pmu_mappings(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
+{
+ const char *delimiter = "# pmu mappings: ";
+ char *str, *tmp;
+ u32 pmu_num;
+ u32 type;
+
+ pmu_num = ph->env.nr_pmu_mappings;
+ if (!pmu_num) {
+ fprintf(fp, "# pmu mappings: not available\n");
+ return;
+ }
+
+ str = ph->env.pmu_mappings;
+
+ while (pmu_num) {
+ type = strtoul(str, &tmp, 0);
+ if (*tmp != ':')
+ goto error;
+
+ str = tmp + 1;
+ fprintf(fp, "%s%s = %" PRIu32, delimiter, str, type);
+
+ delimiter = ", ";
+ str += strlen(str) + 1;
+ pmu_num--;
+ }
+
+ fprintf(fp, "\n");
+
+ if (!pmu_num)
+ return;
+error:
+ fprintf(fp, "# pmu mappings: unable to read\n");
+}
+
static int __event_process_build_id(struct build_id_event *bev,
char *filename,
struct perf_session *session)
@@ -1398,7 +1493,7 @@ static int perf_header__read_build_ids_abi_quirk(struct perf_header *header,
struct perf_session *session = container_of(header, struct perf_session, header);
struct {
struct perf_event_header header;
- u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
+ u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
char filename[0];
} old_bev;
struct build_id_event bev;
@@ -1487,28 +1582,375 @@ out:
return err;
}
-static int process_tracing_data(struct perf_file_section *section __unused,
- struct perf_header *ph __unused,
- int feat __unused, int fd, void *data)
+static int process_tracing_data(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph __maybe_unused,
+ int fd, void *data)
{
trace_report(fd, data, false);
return 0;
}
static int process_build_id(struct perf_file_section *section,
- struct perf_header *ph,
- int feat __unused, int fd, void *data __used)
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
{
if (perf_header__read_build_ids(ph, fd, section->offset, section->size))
pr_debug("Failed to read buildids, continuing...\n");
return 0;
}
+static int process_hostname(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ ph->env.hostname = do_read_string(fd, ph);
+ return ph->env.hostname ? 0 : -ENOMEM;
+}
+
+static int process_osrelease(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ ph->env.os_release = do_read_string(fd, ph);
+ return ph->env.os_release ? 0 : -ENOMEM;
+}
+
+static int process_version(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ ph->env.version = do_read_string(fd, ph);
+ return ph->env.version ? 0 : -ENOMEM;
+}
+
+static int process_arch(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ ph->env.arch = do_read_string(fd, ph);
+ return ph->env.arch ? 0 : -ENOMEM;
+}
+
+static int process_nrcpus(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ size_t ret;
+ u32 nr;
+
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != sizeof(nr))
+ return -1;
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ ph->env.nr_cpus_online = nr;
+
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != sizeof(nr))
+ return -1;
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ ph->env.nr_cpus_avail = nr;
+ return 0;
+}
+
+static int process_cpudesc(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ ph->env.cpu_desc = do_read_string(fd, ph);
+ return ph->env.cpu_desc ? 0 : -ENOMEM;
+}
+
+static int process_cpuid(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ ph->env.cpuid = do_read_string(fd, ph);
+ return ph->env.cpuid ? 0 : -ENOMEM;
+}
+
+static int process_total_mem(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ uint64_t mem;
+ size_t ret;
+
+ ret = read(fd, &mem, sizeof(mem));
+ if (ret != sizeof(mem))
+ return -1;
+
+ if (ph->needs_swap)
+ mem = bswap_64(mem);
+
+ ph->env.total_mem = mem;
+ return 0;
+}
+
+static struct perf_evsel *
+perf_evlist__find_by_index(struct perf_evlist *evlist, int idx)
+{
+ struct perf_evsel *evsel;
+
+ list_for_each_entry(evsel, &evlist->entries, node) {
+ if (evsel->idx == idx)
+ return evsel;
+ }
+
+ return NULL;
+}
+
+static void
+perf_evlist__set_event_name(struct perf_evlist *evlist,
+ struct perf_evsel *event)
+{
+ struct perf_evsel *evsel;
+
+ if (!event->name)
+ return;
+
+ evsel = perf_evlist__find_by_index(evlist, event->idx);
+ if (!evsel)
+ return;
+
+ if (evsel->name)
+ return;
+
+ evsel->name = strdup(event->name);
+}
+
+static int
+process_event_desc(struct perf_file_section *section __maybe_unused,
+ struct perf_header *header, int fd,
+ void *data __maybe_unused)
+{
+ struct perf_session *session;
+ struct perf_evsel *evsel, *events = read_event_desc(header, fd);
+
+ if (!events)
+ return 0;
+
+ session = container_of(header, struct perf_session, header);
+ for (evsel = events; evsel->attr.size; evsel++)
+ perf_evlist__set_event_name(session->evlist, evsel);
+
+ free_event_desc(events);
+
+ return 0;
+}
+
+static int process_cmdline(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ size_t ret;
+ char *str;
+ u32 nr, i;
+ struct strbuf sb;
+
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != sizeof(nr))
+ return -1;
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ ph->env.nr_cmdline = nr;
+ strbuf_init(&sb, 128);
+
+ for (i = 0; i < nr; i++) {
+ str = do_read_string(fd, ph);
+ if (!str)
+ goto error;
+
+ /* include a NULL character at the end */
+ strbuf_add(&sb, str, strlen(str) + 1);
+ free(str);
+ }
+ ph->env.cmdline = strbuf_detach(&sb, NULL);
+ return 0;
+
+error:
+ strbuf_release(&sb);
+ return -1;
+}
+
+static int process_cpu_topology(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ size_t ret;
+ u32 nr, i;
+ char *str;
+ struct strbuf sb;
+
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != sizeof(nr))
+ return -1;
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ ph->env.nr_sibling_cores = nr;
+ strbuf_init(&sb, 128);
+
+ for (i = 0; i < nr; i++) {
+ str = do_read_string(fd, ph);
+ if (!str)
+ goto error;
+
+ /* include a NULL character at the end */
+ strbuf_add(&sb, str, strlen(str) + 1);
+ free(str);
+ }
+ ph->env.sibling_cores = strbuf_detach(&sb, NULL);
+
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != sizeof(nr))
+ return -1;
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ ph->env.nr_sibling_threads = nr;
+
+ for (i = 0; i < nr; i++) {
+ str = do_read_string(fd, ph);
+ if (!str)
+ goto error;
+
+ /* include a NULL character at the end */
+ strbuf_add(&sb, str, strlen(str) + 1);
+ free(str);
+ }
+ ph->env.sibling_threads = strbuf_detach(&sb, NULL);
+ return 0;
+
+error:
+ strbuf_release(&sb);
+ return -1;
+}
+
+static int process_numa_topology(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ size_t ret;
+ u32 nr, node, i;
+ char *str;
+ uint64_t mem_total, mem_free;
+ struct strbuf sb;
+
+ /* nr nodes */
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != sizeof(nr))
+ goto error;
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ ph->env.nr_numa_nodes = nr;
+ strbuf_init(&sb, 256);
+
+ for (i = 0; i < nr; i++) {
+ /* node number */
+ ret = read(fd, &node, sizeof(node));
+ if (ret != sizeof(node))
+ goto error;
+
+ ret = read(fd, &mem_total, sizeof(u64));
+ if (ret != sizeof(u64))
+ goto error;
+
+ ret = read(fd, &mem_free, sizeof(u64));
+ if (ret != sizeof(u64))
+ goto error;
+
+ if (ph->needs_swap) {
+ node = bswap_32(node);
+ mem_total = bswap_64(mem_total);
+ mem_free = bswap_64(mem_free);
+ }
+
+ strbuf_addf(&sb, "%u:%"PRIu64":%"PRIu64":",
+ node, mem_total, mem_free);
+
+ str = do_read_string(fd, ph);
+ if (!str)
+ goto error;
+
+ /* include a NULL character at the end */
+ strbuf_add(&sb, str, strlen(str) + 1);
+ free(str);
+ }
+ ph->env.numa_nodes = strbuf_detach(&sb, NULL);
+ return 0;
+
+error:
+ strbuf_release(&sb);
+ return -1;
+}
+
+static int process_pmu_mappings(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ size_t ret;
+ char *name;
+ u32 pmu_num;
+ u32 type;
+ struct strbuf sb;
+
+ ret = read(fd, &pmu_num, sizeof(pmu_num));
+ if (ret != sizeof(pmu_num))
+ return -1;
+
+ if (ph->needs_swap)
+ pmu_num = bswap_32(pmu_num);
+
+ if (!pmu_num) {
+ pr_debug("pmu mappings not available\n");
+ return 0;
+ }
+
+ ph->env.nr_pmu_mappings = pmu_num;
+ strbuf_init(&sb, 128);
+
+ while (pmu_num) {
+ if (read(fd, &type, sizeof(type)) != sizeof(type))
+ goto error;
+ if (ph->needs_swap)
+ type = bswap_32(type);
+
+ name = do_read_string(fd, ph);
+ if (!name)
+ goto error;
+
+ strbuf_addf(&sb, "%u:%s", type, name);
+ /* include a NULL character at the end */
+ strbuf_add(&sb, "", 1);
+
+ free(name);
+ pmu_num--;
+ }
+ ph->env.pmu_mappings = strbuf_detach(&sb, NULL);
+ return 0;
+
+error:
+ strbuf_release(&sb);
+ return -1;
+}
+
struct feature_ops {
int (*write)(int fd, struct perf_header *h, struct perf_evlist *evlist);
void (*print)(struct perf_header *h, int fd, FILE *fp);
int (*process)(struct perf_file_section *section,
- struct perf_header *h, int feat, int fd, void *data);
+ struct perf_header *h, int fd, void *data);
const char *name;
bool full_only;
};
@@ -1520,7 +1962,7 @@ struct feature_ops {
.process = process_##func }
#define FEAT_OPF(n, func) \
[n] = { .name = #n, .write = write_##func, .print = print_##func, \
- .full_only = true }
+ .process = process_##func, .full_only = true }
/* feature_ops not implemented: */
#define print_tracing_data NULL
@@ -1529,19 +1971,20 @@ struct feature_ops {
static const struct feature_ops feat_ops[HEADER_LAST_FEATURE] = {
FEAT_OPP(HEADER_TRACING_DATA, tracing_data),
FEAT_OPP(HEADER_BUILD_ID, build_id),
- FEAT_OPA(HEADER_HOSTNAME, hostname),
- FEAT_OPA(HEADER_OSRELEASE, osrelease),
- FEAT_OPA(HEADER_VERSION, version),
- FEAT_OPA(HEADER_ARCH, arch),
- FEAT_OPA(HEADER_NRCPUS, nrcpus),
- FEAT_OPA(HEADER_CPUDESC, cpudesc),
- FEAT_OPA(HEADER_CPUID, cpuid),
- FEAT_OPA(HEADER_TOTAL_MEM, total_mem),
- FEAT_OPA(HEADER_EVENT_DESC, event_desc),
- FEAT_OPA(HEADER_CMDLINE, cmdline),
+ FEAT_OPP(HEADER_HOSTNAME, hostname),
+ FEAT_OPP(HEADER_OSRELEASE, osrelease),
+ FEAT_OPP(HEADER_VERSION, version),
+ FEAT_OPP(HEADER_ARCH, arch),
+ FEAT_OPP(HEADER_NRCPUS, nrcpus),
+ FEAT_OPP(HEADER_CPUDESC, cpudesc),
+ FEAT_OPP(HEADER_CPUID, cpuid),
+ FEAT_OPP(HEADER_TOTAL_MEM, total_mem),
+ FEAT_OPP(HEADER_EVENT_DESC, event_desc),
+ FEAT_OPP(HEADER_CMDLINE, cmdline),
FEAT_OPF(HEADER_CPU_TOPOLOGY, cpu_topology),
FEAT_OPF(HEADER_NUMA_TOPOLOGY, numa_topology),
FEAT_OPA(HEADER_BRANCH_STACK, branch_stack),
+ FEAT_OPP(HEADER_PMU_MAPPINGS, pmu_mappings),
};
struct header_print_data {
@@ -1683,17 +2126,17 @@ int perf_session__write_header(struct perf_session *session,
struct perf_file_header f_header;
struct perf_file_attr f_attr;
struct perf_header *header = &session->header;
- struct perf_evsel *attr, *pair = NULL;
+ struct perf_evsel *evsel, *pair = NULL;
int err;
lseek(fd, sizeof(f_header), SEEK_SET);
if (session->evlist != evlist)
- pair = list_entry(session->evlist->entries.next, struct perf_evsel, node);
+ pair = perf_evlist__first(session->evlist);
- list_for_each_entry(attr, &evlist->entries, node) {
- attr->id_offset = lseek(fd, 0, SEEK_CUR);
- err = do_write(fd, attr->id, attr->ids * sizeof(u64));
+ list_for_each_entry(evsel, &evlist->entries, node) {
+ evsel->id_offset = lseek(fd, 0, SEEK_CUR);
+ err = do_write(fd, evsel->id, evsel->ids * sizeof(u64));
if (err < 0) {
out_err_write:
pr_debug("failed to write perf header\n");
@@ -1703,19 +2146,19 @@ out_err_write:
err = do_write(fd, pair->id, pair->ids * sizeof(u64));
if (err < 0)
goto out_err_write;
- attr->ids += pair->ids;
- pair = list_entry(pair->node.next, struct perf_evsel, node);
+ evsel->ids += pair->ids;
+ pair = perf_evsel__next(pair);
}
}
header->attr_offset = lseek(fd, 0, SEEK_CUR);
- list_for_each_entry(attr, &evlist->entries, node) {
+ list_for_each_entry(evsel, &evlist->entries, node) {
f_attr = (struct perf_file_attr){
- .attr = attr->attr,
+ .attr = evsel->attr,
.ids = {
- .offset = attr->id_offset,
- .size = attr->ids * sizeof(u64),
+ .offset = evsel->id_offset,
+ .size = evsel->ids * sizeof(u64),
}
};
err = do_write(fd, &f_attr, sizeof(f_attr));
@@ -1726,9 +2169,9 @@ out_err_write:
}
header->event_offset = lseek(fd, 0, SEEK_CUR);
- header->event_size = event_count * sizeof(struct perf_trace_event_type);
- if (events) {
- err = do_write(fd, events, header->event_size);
+ header->event_size = trace_event_count * sizeof(struct perf_trace_event_type);
+ if (trace_events) {
+ err = do_write(fd, trace_events, header->event_size);
if (err < 0) {
pr_debug("failed to write perf header events\n");
return err;
@@ -1829,6 +2272,8 @@ out_free:
static const int attr_file_abi_sizes[] = {
[0] = PERF_ATTR_SIZE_VER0,
[1] = PERF_ATTR_SIZE_VER1,
+ [2] = PERF_ATTR_SIZE_VER2,
+ [3] = PERF_ATTR_SIZE_VER3,
0,
};
@@ -2019,7 +2464,7 @@ static int perf_file_section__process(struct perf_file_section *section,
if (!feat_ops[feat].process)
return 0;
- return feat_ops[feat].process(section, ph, feat, fd, data);
+ return feat_ops[feat].process(section, ph, fd, data);
}
static int perf_file_header__read_pipe(struct perf_pipe_file_header *header,
@@ -2108,32 +2553,39 @@ static int read_attr(int fd, struct perf_header *ph,
return ret <= 0 ? -1 : 0;
}
-static int perf_evsel__set_tracepoint_name(struct perf_evsel *evsel,
- struct pevent *pevent)
+static int perf_evsel__prepare_tracepoint_event(struct perf_evsel *evsel,
+ struct pevent *pevent)
{
- struct event_format *event = pevent_find_event(pevent,
- evsel->attr.config);
+ struct event_format *event;
char bf[128];
+ /* already prepared */
+ if (evsel->tp_format)
+ return 0;
+
+ event = pevent_find_event(pevent, evsel->attr.config);
if (event == NULL)
return -1;
- snprintf(bf, sizeof(bf), "%s:%s", event->system, event->name);
- evsel->name = strdup(bf);
- if (event->name == NULL)
- return -1;
+ if (!evsel->name) {
+ snprintf(bf, sizeof(bf), "%s:%s", event->system, event->name);
+ evsel->name = strdup(bf);
+ if (evsel->name == NULL)
+ return -1;
+ }
+ evsel->tp_format = event;
return 0;
}
-static int perf_evlist__set_tracepoint_names(struct perf_evlist *evlist,
- struct pevent *pevent)
+static int perf_evlist__prepare_tracepoint_events(struct perf_evlist *evlist,
+ struct pevent *pevent)
{
struct perf_evsel *pos;
list_for_each_entry(pos, &evlist->entries, node) {
if (pos->attr.type == PERF_TYPE_TRACEPOINT &&
- perf_evsel__set_tracepoint_name(pos, pevent))
+ perf_evsel__prepare_tracepoint_event(pos, pevent))
return -1;
}
@@ -2176,6 +2628,8 @@ int perf_session__read_header(struct perf_session *session, int fd)
if (evsel == NULL)
goto out_delete_evlist;
+
+ evsel->needs_swap = header->needs_swap;
/*
* Do it before so that if perf_evsel__alloc_id fails, this
* entry gets purged too at perf_evlist__delete().
@@ -2207,13 +2661,13 @@ int perf_session__read_header(struct perf_session *session, int fd)
if (f_header.event_types.size) {
lseek(fd, f_header.event_types.offset, SEEK_SET);
- events = malloc(f_header.event_types.size);
- if (events == NULL)
+ trace_events = malloc(f_header.event_types.size);
+ if (trace_events == NULL)
return -ENOMEM;
- if (perf_header__getbuffer64(header, fd, events,
+ if (perf_header__getbuffer64(header, fd, trace_events,
f_header.event_types.size))
goto out_errno;
- event_count = f_header.event_types.size / sizeof(struct perf_trace_event_type);
+ trace_event_count = f_header.event_types.size / sizeof(struct perf_trace_event_type);
}
perf_header__process_sections(header, fd, &session->pevent,
@@ -2221,7 +2675,8 @@ int perf_session__read_header(struct perf_session *session, int fd)
lseek(fd, header->data_offset, SEEK_SET);
- if (perf_evlist__set_tracepoint_names(session->evlist, session->pevent))
+ if (perf_evlist__prepare_tracepoint_events(session->evlist,
+ session->pevent))
goto out_delete_evlist;
header->frozen = 1;
@@ -2236,7 +2691,7 @@ out_delete_evlist:
}
int perf_event__synthesize_attr(struct perf_tool *tool,
- struct perf_event_attr *attr, u16 ids, u64 *id,
+ struct perf_event_attr *attr, u32 ids, u64 *id,
perf_event__handler_t process)
{
union perf_event *ev;
@@ -2244,7 +2699,7 @@ int perf_event__synthesize_attr(struct perf_tool *tool,
int err;
size = sizeof(struct perf_event_attr);
- size = ALIGN(size, sizeof(u64));
+ size = PERF_ALIGN(size, sizeof(u64));
size += sizeof(struct perf_event_header);
size += ids * sizeof(u64);
@@ -2257,9 +2712,12 @@ int perf_event__synthesize_attr(struct perf_tool *tool,
memcpy(ev->attr.id, id, ids * sizeof(u64));
ev->attr.header.type = PERF_RECORD_HEADER_ATTR;
- ev->attr.header.size = size;
+ ev->attr.header.size = (u16)size;
- err = process(tool, ev, NULL, NULL);
+ if (ev->attr.header.size == size)
+ err = process(tool, ev, NULL, NULL);
+ else
+ err = -E2BIG;
free(ev);
@@ -2270,12 +2728,12 @@ int perf_event__synthesize_attrs(struct perf_tool *tool,
struct perf_session *session,
perf_event__handler_t process)
{
- struct perf_evsel *attr;
+ struct perf_evsel *evsel;
int err = 0;
- list_for_each_entry(attr, &session->evlist->entries, node) {
- err = perf_event__synthesize_attr(tool, &attr->attr, attr->ids,
- attr->id, process);
+ list_for_each_entry(evsel, &session->evlist->entries, node) {
+ err = perf_event__synthesize_attr(tool, &evsel->attr, evsel->ids,
+ evsel->id, process);
if (err) {
pr_debug("failed to create perf header attribute\n");
return err;
@@ -2288,7 +2746,7 @@ int perf_event__synthesize_attrs(struct perf_tool *tool,
int perf_event__process_attr(union perf_event *event,
struct perf_evlist **pevlist)
{
- unsigned int i, ids, n_ids;
+ u32 i, ids, n_ids;
struct perf_evsel *evsel;
struct perf_evlist *evlist = *pevlist;
@@ -2339,7 +2797,7 @@ int perf_event__synthesize_event_type(struct perf_tool *tool,
ev.event_type.header.type = PERF_RECORD_HEADER_EVENT_TYPE;
size = strlen(ev.event_type.event_type.name);
- size = ALIGN(size, sizeof(u64));
+ size = PERF_ALIGN(size, sizeof(u64));
ev.event_type.header.size = sizeof(ev.event_type) -
(sizeof(ev.event_type.event_type.name) - size);
@@ -2355,8 +2813,8 @@ int perf_event__synthesize_event_types(struct perf_tool *tool,
struct perf_trace_event_type *type;
int i, err = 0;
- for (i = 0; i < event_count; i++) {
- type = &events[i];
+ for (i = 0; i < trace_event_count; i++) {
+ type = &trace_events[i];
err = perf_event__synthesize_event_type(tool, type->event_id,
type->name, process,
@@ -2370,7 +2828,7 @@ int perf_event__synthesize_event_types(struct perf_tool *tool,
return err;
}
-int perf_event__process_event_type(struct perf_tool *tool __unused,
+int perf_event__process_event_type(struct perf_tool *tool __maybe_unused,
union perf_event *event)
{
if (perf_header__push_event(event->event_type.event_type.event_id,
@@ -2387,7 +2845,7 @@ int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd,
union perf_event ev;
struct tracing_data *tdata;
ssize_t size = 0, aligned_size = 0, padding;
- int err __used = 0;
+ int err __maybe_unused = 0;
/*
* We are going to store the size of the data followed
@@ -2408,7 +2866,7 @@ int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd,
ev.tracing_data.header.type = PERF_RECORD_HEADER_TRACING_DATA;
size = tdata->size;
- aligned_size = ALIGN(size, sizeof(u64));
+ aligned_size = PERF_ALIGN(size, sizeof(u64));
padding = aligned_size - size;
ev.tracing_data.header.size = sizeof(ev.tracing_data);
ev.tracing_data.size = aligned_size;
@@ -2439,7 +2897,7 @@ int perf_event__process_tracing_data(union perf_event *event,
size_read = trace_report(session->fd, &session->pevent,
session->repipe);
- padding = ALIGN(size_read, sizeof(u64)) - size_read;
+ padding = PERF_ALIGN(size_read, sizeof(u64)) - size_read;
if (read(session->fd, buf, padding) < 0)
die("reading input file");
@@ -2452,6 +2910,9 @@ int perf_event__process_tracing_data(union perf_event *event,
if (size_read + padding != size)
die("tracing data size mismatch");
+ perf_evlist__prepare_tracepoint_events(session->evlist,
+ session->pevent);
+
return size_read + padding;
}
@@ -2470,7 +2931,7 @@ int perf_event__synthesize_build_id(struct perf_tool *tool,
memset(&ev, 0, sizeof(ev));
len = pos->long_name_len + 1;
- len = ALIGN(len, NAME_ALIGN);
+ len = PERF_ALIGN(len, NAME_ALIGN);
memcpy(&ev.build_id.build_id, pos->build_id, sizeof(pos->build_id));
ev.build_id.header.type = PERF_RECORD_HEADER_BUILD_ID;
ev.build_id.header.misc = misc;
@@ -2483,7 +2944,7 @@ int perf_event__synthesize_build_id(struct perf_tool *tool,
return err;
}
-int perf_event__process_build_id(struct perf_tool *tool __used,
+int perf_event__process_build_id(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_session *session)
{
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index 2d42b3e1826f..99bdd3abce59 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -28,6 +28,7 @@ enum {
HEADER_CPU_TOPOLOGY,
HEADER_NUMA_TOPOLOGY,
HEADER_BRANCH_STACK,
+ HEADER_PMU_MAPPINGS,
HEADER_LAST_FEATURE,
HEADER_FEAT_BITS = 256,
};
@@ -57,6 +58,29 @@ struct perf_header;
int perf_file_header__read(struct perf_file_header *header,
struct perf_header *ph, int fd);
+struct perf_session_env {
+ char *hostname;
+ char *os_release;
+ char *version;
+ char *arch;
+ int nr_cpus_online;
+ int nr_cpus_avail;
+ char *cpu_desc;
+ char *cpuid;
+ unsigned long long total_mem;
+
+ int nr_cmdline;
+ char *cmdline;
+ int nr_sibling_cores;
+ char *sibling_cores;
+ int nr_sibling_threads;
+ char *sibling_threads;
+ int nr_numa_nodes;
+ char *numa_nodes;
+ int nr_pmu_mappings;
+ char *pmu_mappings;
+};
+
struct perf_header {
int frozen;
bool needs_swap;
@@ -66,6 +90,7 @@ struct perf_header {
u64 event_offset;
u64 event_size;
DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
+ struct perf_session_env env;
};
struct perf_evlist;
@@ -95,11 +120,11 @@ int perf_header__process_sections(struct perf_header *header, int fd,
int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full);
int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
- const char *name, bool is_kallsyms);
+ const char *name, bool is_kallsyms, bool is_vdso);
int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
int perf_event__synthesize_attr(struct perf_tool *tool,
- struct perf_event_attr *attr, u16 ids, u64 *id,
+ struct perf_event_attr *attr, u32 ids, u64 *id,
perf_event__handler_t process);
int perf_event__synthesize_attrs(struct perf_tool *tool,
struct perf_session *session,
diff --git a/tools/perf/util/help.c b/tools/perf/util/help.c
index 6f2975a00358..8b1f6e891b8a 100644
--- a/tools/perf/util/help.c
+++ b/tools/perf/util/help.c
@@ -3,6 +3,7 @@
#include "exec_cmd.h"
#include "levenshtein.h"
#include "help.h"
+#include <termios.h>
void add_cmdname(struct cmdnames *cmds, const char *name, size_t len)
{
@@ -331,7 +332,8 @@ const char *help_unknown_cmd(const char *cmd)
exit(1);
}
-int cmd_version(int argc __used, const char **argv __used, const char *prefix __used)
+int cmd_version(int argc __maybe_unused, const char **argv __maybe_unused,
+ const char *prefix __maybe_unused)
{
printf("perf version %s\n", perf_version_string);
return 0;
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index f247ef2789a4..236bc9d98ff2 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -45,7 +45,7 @@ bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len)
return false;
}
-static void hists__reset_col_len(struct hists *hists)
+void hists__reset_col_len(struct hists *hists)
{
enum hist_column col;
@@ -63,7 +63,7 @@ static void hists__set_unres_dso_col_len(struct hists *hists, int dso)
hists__set_col_len(hists, dso, unresolved_col_width);
}
-static void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
+void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
{
const unsigned int unresolved_col_width = BITS_PER_LONG / 4;
u16 len;
@@ -114,6 +114,22 @@ static void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
}
}
+void hists__output_recalc_col_len(struct hists *hists, int max_rows)
+{
+ struct rb_node *next = rb_first(&hists->entries);
+ struct hist_entry *n;
+ int row = 0;
+
+ hists__reset_col_len(hists);
+
+ while (next && row++ < max_rows) {
+ n = rb_entry(next, struct hist_entry, rb_node);
+ if (!n->filtered)
+ hists__calc_col_len(hists, n);
+ next = rb_next(&n->rb_node);
+ }
+}
+
static void hist_entry__add_cpumode_period(struct hist_entry *he,
unsigned int cpumode, u64 period)
{
@@ -378,7 +394,7 @@ void hist_entry__free(struct hist_entry *he)
* collapse the histogram
*/
-static bool hists__collapse_insert_entry(struct hists *hists __used,
+static bool hists__collapse_insert_entry(struct hists *hists __maybe_unused,
struct rb_root *root,
struct hist_entry *he)
{
@@ -394,8 +410,13 @@ static bool hists__collapse_insert_entry(struct hists *hists __used,
cmp = hist_entry__collapse(iter, he);
if (!cmp) {
- iter->period += he->period;
- iter->nr_events += he->nr_events;
+ iter->period += he->period;
+ iter->period_sys += he->period_sys;
+ iter->period_us += he->period_us;
+ iter->period_guest_sys += he->period_guest_sys;
+ iter->period_guest_us += he->period_guest_us;
+ iter->nr_events += he->nr_events;
+
if (symbol_conf.use_callchain) {
callchain_cursor_reset(&callchain_cursor);
callchain_merge(&callchain_cursor,
@@ -547,674 +568,6 @@ void hists__output_resort_threaded(struct hists *hists)
return __hists__output_resort(hists, true);
}
-static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
-{
- int i;
- int ret = fprintf(fp, " ");
-
- for (i = 0; i < left_margin; i++)
- ret += fprintf(fp, " ");
-
- return ret;
-}
-
-static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask,
- int left_margin)
-{
- int i;
- size_t ret = callchain__fprintf_left_margin(fp, left_margin);
-
- for (i = 0; i < depth; i++)
- if (depth_mask & (1 << i))
- ret += fprintf(fp, "| ");
- else
- ret += fprintf(fp, " ");
-
- ret += fprintf(fp, "\n");
-
- return ret;
-}
-
-static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain,
- int depth, int depth_mask, int period,
- u64 total_samples, u64 hits,
- int left_margin)
-{
- int i;
- size_t ret = 0;
-
- ret += callchain__fprintf_left_margin(fp, left_margin);
- for (i = 0; i < depth; i++) {
- if (depth_mask & (1 << i))
- ret += fprintf(fp, "|");
- else
- ret += fprintf(fp, " ");
- if (!period && i == depth - 1) {
- double percent;
-
- percent = hits * 100.0 / total_samples;
- ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent);
- } else
- ret += fprintf(fp, "%s", " ");
- }
- if (chain->ms.sym)
- ret += fprintf(fp, "%s\n", chain->ms.sym->name);
- else
- ret += fprintf(fp, "0x%0" PRIx64 "\n", chain->ip);
-
- return ret;
-}
-
-static struct symbol *rem_sq_bracket;
-static struct callchain_list rem_hits;
-
-static void init_rem_hits(void)
-{
- rem_sq_bracket = malloc(sizeof(*rem_sq_bracket) + 6);
- if (!rem_sq_bracket) {
- fprintf(stderr, "Not enough memory to display remaining hits\n");
- return;
- }
-
- strcpy(rem_sq_bracket->name, "[...]");
- rem_hits.ms.sym = rem_sq_bracket;
-}
-
-static size_t __callchain__fprintf_graph(FILE *fp, struct rb_root *root,
- u64 total_samples, int depth,
- int depth_mask, int left_margin)
-{
- struct rb_node *node, *next;
- struct callchain_node *child;
- struct callchain_list *chain;
- int new_depth_mask = depth_mask;
- u64 remaining;
- size_t ret = 0;
- int i;
- uint entries_printed = 0;
-
- remaining = total_samples;
-
- node = rb_first(root);
- while (node) {
- u64 new_total;
- u64 cumul;
-
- child = rb_entry(node, struct callchain_node, rb_node);
- cumul = callchain_cumul_hits(child);
- remaining -= cumul;
-
- /*
- * The depth mask manages the output of pipes that show
- * the depth. We don't want to keep the pipes of the current
- * level for the last child of this depth.
- * Except if we have remaining filtered hits. They will
- * supersede the last child
- */
- next = rb_next(node);
- if (!next && (callchain_param.mode != CHAIN_GRAPH_REL || !remaining))
- new_depth_mask &= ~(1 << (depth - 1));
-
- /*
- * But we keep the older depth mask for the line separator
- * to keep the level link until we reach the last child
- */
- ret += ipchain__fprintf_graph_line(fp, depth, depth_mask,
- left_margin);
- i = 0;
- list_for_each_entry(chain, &child->val, list) {
- ret += ipchain__fprintf_graph(fp, chain, depth,
- new_depth_mask, i++,
- total_samples,
- cumul,
- left_margin);
- }
-
- if (callchain_param.mode == CHAIN_GRAPH_REL)
- new_total = child->children_hit;
- else
- new_total = total_samples;
-
- ret += __callchain__fprintf_graph(fp, &child->rb_root, new_total,
- depth + 1,
- new_depth_mask | (1 << depth),
- left_margin);
- node = next;
- if (++entries_printed == callchain_param.print_limit)
- break;
- }
-
- if (callchain_param.mode == CHAIN_GRAPH_REL &&
- remaining && remaining != total_samples) {
-
- if (!rem_sq_bracket)
- return ret;
-
- new_depth_mask &= ~(1 << (depth - 1));
- ret += ipchain__fprintf_graph(fp, &rem_hits, depth,
- new_depth_mask, 0, total_samples,
- remaining, left_margin);
- }
-
- return ret;
-}
-
-static size_t callchain__fprintf_graph(FILE *fp, struct rb_root *root,
- u64 total_samples, int left_margin)
-{
- struct callchain_node *cnode;
- struct callchain_list *chain;
- u32 entries_printed = 0;
- bool printed = false;
- struct rb_node *node;
- int i = 0;
- int ret = 0;
-
- /*
- * If have one single callchain root, don't bother printing
- * its percentage (100 % in fractal mode and the same percentage
- * than the hist in graph mode). This also avoid one level of column.
- */
- node = rb_first(root);
- if (node && !rb_next(node)) {
- cnode = rb_entry(node, struct callchain_node, rb_node);
- list_for_each_entry(chain, &cnode->val, list) {
- /*
- * If we sort by symbol, the first entry is the same than
- * the symbol. No need to print it otherwise it appears as
- * displayed twice.
- */
- if (!i++ && sort__first_dimension == SORT_SYM)
- continue;
- if (!printed) {
- ret += callchain__fprintf_left_margin(fp, left_margin);
- ret += fprintf(fp, "|\n");
- ret += callchain__fprintf_left_margin(fp, left_margin);
- ret += fprintf(fp, "---");
- left_margin += 3;
- printed = true;
- } else
- ret += callchain__fprintf_left_margin(fp, left_margin);
-
- if (chain->ms.sym)
- ret += fprintf(fp, " %s\n", chain->ms.sym->name);
- else
- ret += fprintf(fp, " %p\n", (void *)(long)chain->ip);
-
- if (++entries_printed == callchain_param.print_limit)
- break;
- }
- root = &cnode->rb_root;
- }
-
- ret += __callchain__fprintf_graph(fp, root, total_samples,
- 1, 1, left_margin);
- ret += fprintf(fp, "\n");
-
- return ret;
-}
-
-static size_t __callchain__fprintf_flat(FILE *fp,
- struct callchain_node *self,
- u64 total_samples)
-{
- struct callchain_list *chain;
- size_t ret = 0;
-
- if (!self)
- return 0;
-
- ret += __callchain__fprintf_flat(fp, self->parent, total_samples);
-
-
- list_for_each_entry(chain, &self->val, list) {
- if (chain->ip >= PERF_CONTEXT_MAX)
- continue;
- if (chain->ms.sym)
- ret += fprintf(fp, " %s\n", chain->ms.sym->name);
- else
- ret += fprintf(fp, " %p\n",
- (void *)(long)chain->ip);
- }
-
- return ret;
-}
-
-static size_t callchain__fprintf_flat(FILE *fp, struct rb_root *self,
- u64 total_samples)
-{
- size_t ret = 0;
- u32 entries_printed = 0;
- struct rb_node *rb_node;
- struct callchain_node *chain;
-
- rb_node = rb_first(self);
- while (rb_node) {
- double percent;
-
- chain = rb_entry(rb_node, struct callchain_node, rb_node);
- percent = chain->hit * 100.0 / total_samples;
-
- ret = percent_color_fprintf(fp, " %6.2f%%\n", percent);
- ret += __callchain__fprintf_flat(fp, chain, total_samples);
- ret += fprintf(fp, "\n");
- if (++entries_printed == callchain_param.print_limit)
- break;
-
- rb_node = rb_next(rb_node);
- }
-
- return ret;
-}
-
-static size_t hist_entry_callchain__fprintf(struct hist_entry *he,
- u64 total_samples, int left_margin,
- FILE *fp)
-{
- switch (callchain_param.mode) {
- case CHAIN_GRAPH_REL:
- return callchain__fprintf_graph(fp, &he->sorted_chain, he->period,
- left_margin);
- break;
- case CHAIN_GRAPH_ABS:
- return callchain__fprintf_graph(fp, &he->sorted_chain, total_samples,
- left_margin);
- break;
- case CHAIN_FLAT:
- return callchain__fprintf_flat(fp, &he->sorted_chain, total_samples);
- break;
- case CHAIN_NONE:
- break;
- default:
- pr_err("Bad callchain mode\n");
- }
-
- return 0;
-}
-
-void hists__output_recalc_col_len(struct hists *hists, int max_rows)
-{
- struct rb_node *next = rb_first(&hists->entries);
- struct hist_entry *n;
- int row = 0;
-
- hists__reset_col_len(hists);
-
- while (next && row++ < max_rows) {
- n = rb_entry(next, struct hist_entry, rb_node);
- if (!n->filtered)
- hists__calc_col_len(hists, n);
- next = rb_next(&n->rb_node);
- }
-}
-
-static int hist_entry__pcnt_snprintf(struct hist_entry *he, char *s,
- size_t size, struct hists *pair_hists,
- bool show_displacement, long displacement,
- bool color, u64 total_period)
-{
- u64 period, total, period_sys, period_us, period_guest_sys, period_guest_us;
- u64 nr_events;
- const char *sep = symbol_conf.field_sep;
- int ret;
-
- if (symbol_conf.exclude_other && !he->parent)
- return 0;
-
- if (pair_hists) {
- period = he->pair ? he->pair->period : 0;
- nr_events = he->pair ? he->pair->nr_events : 0;
- total = pair_hists->stats.total_period;
- period_sys = he->pair ? he->pair->period_sys : 0;
- period_us = he->pair ? he->pair->period_us : 0;
- period_guest_sys = he->pair ? he->pair->period_guest_sys : 0;
- period_guest_us = he->pair ? he->pair->period_guest_us : 0;
- } else {
- period = he->period;
- nr_events = he->nr_events;
- total = total_period;
- period_sys = he->period_sys;
- period_us = he->period_us;
- period_guest_sys = he->period_guest_sys;
- period_guest_us = he->period_guest_us;
- }
-
- if (total) {
- if (color)
- ret = percent_color_snprintf(s, size,
- sep ? "%.2f" : " %6.2f%%",
- (period * 100.0) / total);
- else
- ret = scnprintf(s, size, sep ? "%.2f" : " %6.2f%%",
- (period * 100.0) / total);
- if (symbol_conf.show_cpu_utilization) {
- ret += percent_color_snprintf(s + ret, size - ret,
- sep ? "%.2f" : " %6.2f%%",
- (period_sys * 100.0) / total);
- ret += percent_color_snprintf(s + ret, size - ret,
- sep ? "%.2f" : " %6.2f%%",
- (period_us * 100.0) / total);
- if (perf_guest) {
- ret += percent_color_snprintf(s + ret,
- size - ret,
- sep ? "%.2f" : " %6.2f%%",
- (period_guest_sys * 100.0) /
- total);
- ret += percent_color_snprintf(s + ret,
- size - ret,
- sep ? "%.2f" : " %6.2f%%",
- (period_guest_us * 100.0) /
- total);
- }
- }
- } else
- ret = scnprintf(s, size, sep ? "%" PRIu64 : "%12" PRIu64 " ", period);
-
- if (symbol_conf.show_nr_samples) {
- if (sep)
- ret += scnprintf(s + ret, size - ret, "%c%" PRIu64, *sep, nr_events);
- else
- ret += scnprintf(s + ret, size - ret, "%11" PRIu64, nr_events);
- }
-
- if (symbol_conf.show_total_period) {
- if (sep)
- ret += scnprintf(s + ret, size - ret, "%c%" PRIu64, *sep, period);
- else
- ret += scnprintf(s + ret, size - ret, " %12" PRIu64, period);
- }
-
- if (pair_hists) {
- char bf[32];
- double old_percent = 0, new_percent = 0, diff;
-
- if (total > 0)
- old_percent = (period * 100.0) / total;
- if (total_period > 0)
- new_percent = (he->period * 100.0) / total_period;
-
- diff = new_percent - old_percent;
-
- if (fabs(diff) >= 0.01)
- scnprintf(bf, sizeof(bf), "%+4.2F%%", diff);
- else
- scnprintf(bf, sizeof(bf), " ");
-
- if (sep)
- ret += scnprintf(s + ret, size - ret, "%c%s", *sep, bf);
- else
- ret += scnprintf(s + ret, size - ret, "%11.11s", bf);
-
- if (show_displacement) {
- if (displacement)
- scnprintf(bf, sizeof(bf), "%+4ld", displacement);
- else
- scnprintf(bf, sizeof(bf), " ");
-
- if (sep)
- ret += scnprintf(s + ret, size - ret, "%c%s", *sep, bf);
- else
- ret += scnprintf(s + ret, size - ret, "%6.6s", bf);
- }
- }
-
- return ret;
-}
-
-int hist_entry__snprintf(struct hist_entry *he, char *s, size_t size,
- struct hists *hists)
-{
- const char *sep = symbol_conf.field_sep;
- struct sort_entry *se;
- int ret = 0;
-
- list_for_each_entry(se, &hist_entry__sort_list, list) {
- if (se->elide)
- continue;
-
- ret += scnprintf(s + ret, size - ret, "%s", sep ?: " ");
- ret += se->se_snprintf(he, s + ret, size - ret,
- hists__col_len(hists, se->se_width_idx));
- }
-
- return ret;
-}
-
-static int hist_entry__fprintf(struct hist_entry *he, size_t size,
- struct hists *hists, struct hists *pair_hists,
- bool show_displacement, long displacement,
- u64 total_period, FILE *fp)
-{
- char bf[512];
- int ret;
-
- if (size == 0 || size > sizeof(bf))
- size = sizeof(bf);
-
- ret = hist_entry__pcnt_snprintf(he, bf, size, pair_hists,
- show_displacement, displacement,
- true, total_period);
- hist_entry__snprintf(he, bf + ret, size - ret, hists);
- return fprintf(fp, "%s\n", bf);
-}
-
-static size_t hist_entry__fprintf_callchain(struct hist_entry *he,
- struct hists *hists,
- u64 total_period, FILE *fp)
-{
- int left_margin = 0;
-
- if (sort__first_dimension == SORT_COMM) {
- struct sort_entry *se = list_first_entry(&hist_entry__sort_list,
- typeof(*se), list);
- left_margin = hists__col_len(hists, se->se_width_idx);
- left_margin -= thread__comm_len(he->thread);
- }
-
- return hist_entry_callchain__fprintf(he, total_period, left_margin, fp);
-}
-
-size_t hists__fprintf(struct hists *hists, struct hists *pair,
- bool show_displacement, bool show_header, int max_rows,
- int max_cols, FILE *fp)
-{
- struct sort_entry *se;
- struct rb_node *nd;
- size_t ret = 0;
- u64 total_period;
- unsigned long position = 1;
- long displacement = 0;
- unsigned int width;
- const char *sep = symbol_conf.field_sep;
- const char *col_width = symbol_conf.col_width_list_str;
- int nr_rows = 0;
-
- init_rem_hits();
-
- if (!show_header)
- goto print_entries;
-
- fprintf(fp, "# %s", pair ? "Baseline" : "Overhead");
-
- if (symbol_conf.show_cpu_utilization) {
- if (sep) {
- ret += fprintf(fp, "%csys", *sep);
- ret += fprintf(fp, "%cus", *sep);
- if (perf_guest) {
- ret += fprintf(fp, "%cguest sys", *sep);
- ret += fprintf(fp, "%cguest us", *sep);
- }
- } else {
- ret += fprintf(fp, " sys ");
- ret += fprintf(fp, " us ");
- if (perf_guest) {
- ret += fprintf(fp, " guest sys ");
- ret += fprintf(fp, " guest us ");
- }
- }
- }
-
- if (symbol_conf.show_nr_samples) {
- if (sep)
- fprintf(fp, "%cSamples", *sep);
- else
- fputs(" Samples ", fp);
- }
-
- if (symbol_conf.show_total_period) {
- if (sep)
- ret += fprintf(fp, "%cPeriod", *sep);
- else
- ret += fprintf(fp, " Period ");
- }
-
- if (pair) {
- if (sep)
- ret += fprintf(fp, "%cDelta", *sep);
- else
- ret += fprintf(fp, " Delta ");
-
- if (show_displacement) {
- if (sep)
- ret += fprintf(fp, "%cDisplacement", *sep);
- else
- ret += fprintf(fp, " Displ");
- }
- }
-
- list_for_each_entry(se, &hist_entry__sort_list, list) {
- if (se->elide)
- continue;
- if (sep) {
- fprintf(fp, "%c%s", *sep, se->se_header);
- continue;
- }
- width = strlen(se->se_header);
- if (symbol_conf.col_width_list_str) {
- if (col_width) {
- hists__set_col_len(hists, se->se_width_idx,
- atoi(col_width));
- col_width = strchr(col_width, ',');
- if (col_width)
- ++col_width;
- }
- }
- if (!hists__new_col_len(hists, se->se_width_idx, width))
- width = hists__col_len(hists, se->se_width_idx);
- fprintf(fp, " %*s", width, se->se_header);
- }
-
- fprintf(fp, "\n");
- if (max_rows && ++nr_rows >= max_rows)
- goto out;
-
- if (sep)
- goto print_entries;
-
- fprintf(fp, "# ........");
- if (symbol_conf.show_cpu_utilization)
- fprintf(fp, " ....... .......");
- if (symbol_conf.show_nr_samples)
- fprintf(fp, " ..........");
- if (symbol_conf.show_total_period)
- fprintf(fp, " ............");
- if (pair) {
- fprintf(fp, " ..........");
- if (show_displacement)
- fprintf(fp, " .....");
- }
- list_for_each_entry(se, &hist_entry__sort_list, list) {
- unsigned int i;
-
- if (se->elide)
- continue;
-
- fprintf(fp, " ");
- width = hists__col_len(hists, se->se_width_idx);
- if (width == 0)
- width = strlen(se->se_header);
- for (i = 0; i < width; i++)
- fprintf(fp, ".");
- }
-
- fprintf(fp, "\n");
- if (max_rows && ++nr_rows >= max_rows)
- goto out;
-
- fprintf(fp, "#\n");
- if (max_rows && ++nr_rows >= max_rows)
- goto out;
-
-print_entries:
- total_period = hists->stats.total_period;
-
- for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
- struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
-
- if (h->filtered)
- continue;
-
- if (show_displacement) {
- if (h->pair != NULL)
- displacement = ((long)h->pair->position -
- (long)position);
- else
- displacement = 0;
- ++position;
- }
- ret += hist_entry__fprintf(h, max_cols, hists, pair, show_displacement,
- displacement, total_period, fp);
-
- if (symbol_conf.use_callchain)
- ret += hist_entry__fprintf_callchain(h, hists, total_period, fp);
- if (max_rows && ++nr_rows >= max_rows)
- goto out;
-
- if (h->ms.map == NULL && verbose > 1) {
- __map_groups__fprintf_maps(&h->thread->mg,
- MAP__FUNCTION, verbose, fp);
- fprintf(fp, "%.10s end\n", graph_dotted_line);
- }
- }
-out:
- free(rem_sq_bracket);
-
- return ret;
-}
-
-/*
- * See hists__fprintf to match the column widths
- */
-unsigned int hists__sort_list_width(struct hists *hists)
-{
- struct sort_entry *se;
- int ret = 9; /* total % */
-
- if (symbol_conf.show_cpu_utilization) {
- ret += 7; /* count_sys % */
- ret += 6; /* count_us % */
- if (perf_guest) {
- ret += 13; /* count_guest_sys % */
- ret += 12; /* count_guest_us % */
- }
- }
-
- if (symbol_conf.show_nr_samples)
- ret += 11;
-
- if (symbol_conf.show_total_period)
- ret += 13;
-
- list_for_each_entry(se, &hist_entry__sort_list, list)
- if (!se->elide)
- ret += 2 + hists__col_len(hists, se->se_width_idx);
-
- if (verbose) /* Addr + origin */
- ret += 3 + BITS_PER_LONG / 4;
-
- return ret;
-}
-
static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h,
enum hist_filter filter)
{
@@ -1342,25 +695,3 @@ void hists__inc_nr_events(struct hists *hists, u32 type)
++hists->stats.nr_events[0];
++hists->stats.nr_events[type];
}
-
-size_t hists__fprintf_nr_events(struct hists *hists, FILE *fp)
-{
- int i;
- size_t ret = 0;
-
- for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) {
- const char *name;
-
- if (hists->stats.nr_events[i] == 0)
- continue;
-
- name = perf_event__name(i);
- if (!strcmp(name, "UNKNOWN"))
- continue;
-
- ret += fprintf(fp, "%16s events: %10d\n", name,
- hists->stats.nr_events[i]);
- }
-
- return ret;
-}
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 0b096c27a419..f011ad4756e8 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -75,8 +75,8 @@ struct hist_entry *__hists__add_entry(struct hists *self,
struct symbol *parent, u64 period);
int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right);
int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right);
-int hist_entry__snprintf(struct hist_entry *self, char *bf, size_t size,
- struct hists *hists);
+int hist_entry__sort_snprintf(struct hist_entry *self, char *bf, size_t size,
+ struct hists *hists);
void hist_entry__free(struct hist_entry *);
struct hist_entry *__hists__add_branch_entry(struct hists *self,
@@ -112,25 +112,66 @@ void hists__filter_by_symbol(struct hists *hists);
u16 hists__col_len(struct hists *self, enum hist_column col);
void hists__set_col_len(struct hists *self, enum hist_column col, u16 len);
bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len);
+void hists__reset_col_len(struct hists *hists);
+void hists__calc_col_len(struct hists *hists, struct hist_entry *he);
+
+struct perf_hpp {
+ char *buf;
+ size_t size;
+ u64 total_period;
+ const char *sep;
+ long displacement;
+ void *ptr;
+};
+
+struct perf_hpp_fmt {
+ bool cond;
+ int (*header)(struct perf_hpp *hpp);
+ int (*width)(struct perf_hpp *hpp);
+ int (*color)(struct perf_hpp *hpp, struct hist_entry *he);
+ int (*entry)(struct perf_hpp *hpp, struct hist_entry *he);
+};
+
+extern struct perf_hpp_fmt perf_hpp__format[];
+
+enum {
+ PERF_HPP__OVERHEAD,
+ PERF_HPP__OVERHEAD_SYS,
+ PERF_HPP__OVERHEAD_US,
+ PERF_HPP__OVERHEAD_GUEST_SYS,
+ PERF_HPP__OVERHEAD_GUEST_US,
+ PERF_HPP__SAMPLES,
+ PERF_HPP__PERIOD,
+ PERF_HPP__DELTA,
+ PERF_HPP__DISPL,
+
+ PERF_HPP__MAX_INDEX
+};
+
+void perf_hpp__init(bool need_pair, bool show_displacement);
+int hist_entry__period_snprintf(struct perf_hpp *hpp, struct hist_entry *he,
+ bool color);
struct perf_evlist;
#ifdef NO_NEWT_SUPPORT
static inline
-int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __used,
- const char *help __used,
- void(*timer)(void *arg) __used,
- void *arg __used,
- int refresh __used)
+int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused,
+ const char *help __maybe_unused,
+ void(*timer)(void *arg) __maybe_unused,
+ void *arg __maybe_unused,
+ int refresh __maybe_unused)
{
return 0;
}
-static inline int hist_entry__tui_annotate(struct hist_entry *self __used,
- int evidx __used,
- void(*timer)(void *arg) __used,
- void *arg __used,
- int delay_secs __used)
+static inline int hist_entry__tui_annotate(struct hist_entry *self
+ __maybe_unused,
+ int evidx __maybe_unused,
+ void(*timer)(void *arg)
+ __maybe_unused,
+ void *arg __maybe_unused,
+ int delay_secs __maybe_unused)
{
return 0;
}
@@ -148,11 +189,11 @@ int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
#ifdef NO_GTK2_SUPPORT
static inline
-int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __used,
- const char *help __used,
- void(*timer)(void *arg) __used,
- void *arg __used,
- int refresh __used)
+int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __maybe_unused,
+ const char *help __maybe_unused,
+ void(*timer)(void *arg) __maybe_unused,
+ void *arg __maybe_unused,
+ int refresh __maybe_unused)
{
return 0;
}
diff --git a/tools/perf/util/include/linux/bitops.h b/tools/perf/util/include/linux/bitops.h
index 587a230d2075..a55d8cf083c9 100644
--- a/tools/perf/util/include/linux/bitops.h
+++ b/tools/perf/util/include/linux/bitops.h
@@ -5,6 +5,10 @@
#include <linux/compiler.h>
#include <asm/hweight.h>
+#ifndef __WORDSIZE
+#define __WORDSIZE (__SIZEOF_LONG__ * 8)
+#endif
+
#define BITS_PER_LONG __WORDSIZE
#define BITS_PER_BYTE 8
#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
diff --git a/tools/perf/util/include/linux/compiler.h b/tools/perf/util/include/linux/compiler.h
index 547628e97f3d..96b919dae11c 100644
--- a/tools/perf/util/include/linux/compiler.h
+++ b/tools/perf/util/include/linux/compiler.h
@@ -9,6 +9,13 @@
#define __attribute_const__
#endif
-#define __used __attribute__((__unused__))
+#ifndef __maybe_unused
+#define __maybe_unused __attribute__((unused))
+#endif
+#define __packed __attribute__((__packed__))
+
+#ifndef __force
+#define __force
+#endif
#endif
diff --git a/tools/perf/util/include/linux/kernel.h b/tools/perf/util/include/linux/kernel.h
index b6842c1d02a8..d8c927c868ee 100644
--- a/tools/perf/util/include/linux/kernel.h
+++ b/tools/perf/util/include/linux/kernel.h
@@ -8,8 +8,8 @@
#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
-#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
-#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
+#define PERF_ALIGN(x, a) __PERF_ALIGN_MASK(x, (typeof(x))(a)-1)
+#define __PERF_ALIGN_MASK(x, mask) (((x)+(mask))&~(mask))
#ifndef offsetof
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
@@ -46,9 +46,22 @@
_min1 < _min2 ? _min1 : _min2; })
#endif
+#ifndef roundup
+#define roundup(x, y) ( \
+{ \
+ const typeof(y) __y = y; \
+ (((x) + (__y - 1)) / __y) * __y; \
+} \
+)
+#endif
+
#ifndef BUG_ON
+#ifdef NDEBUG
+#define BUG_ON(cond) do { if (cond) {} } while (0)
+#else
#define BUG_ON(cond) assert(!(cond))
#endif
+#endif
/*
* Both need more care to handle endianness
diff --git a/tools/perf/util/include/linux/magic.h b/tools/perf/util/include/linux/magic.h
new file mode 100644
index 000000000000..58b64ed4da12
--- /dev/null
+++ b/tools/perf/util/include/linux/magic.h
@@ -0,0 +1,12 @@
+#ifndef _PERF_LINUX_MAGIC_H_
+#define _PERF_LINUX_MAGIC_H_
+
+#ifndef DEBUGFS_MAGIC
+#define DEBUGFS_MAGIC 0x64626720
+#endif
+
+#ifndef SYSFS_MAGIC
+#define SYSFS_MAGIC 0x62656572
+#endif
+
+#endif
diff --git a/tools/perf/util/include/linux/rbtree.h b/tools/perf/util/include/linux/rbtree.h
index 7a243a143037..2a030c5af3aa 100644
--- a/tools/perf/util/include/linux/rbtree.h
+++ b/tools/perf/util/include/linux/rbtree.h
@@ -1 +1,2 @@
+#include <stdbool.h>
#include "../../../../include/linux/rbtree.h"
diff --git a/tools/perf/util/include/linux/string.h b/tools/perf/util/include/linux/string.h
index 3b2f5900276f..6f19c548ecc0 100644
--- a/tools/perf/util/include/linux/string.h
+++ b/tools/perf/util/include/linux/string.h
@@ -1 +1,3 @@
#include <string.h>
+
+void *memdup(const void *src, size_t len);
diff --git a/tools/perf/util/include/linux/types.h b/tools/perf/util/include/linux/types.h
index 12de3b8112f9..eb464786c084 100644
--- a/tools/perf/util/include/linux/types.h
+++ b/tools/perf/util/include/linux/types.h
@@ -3,6 +3,14 @@
#include <asm/types.h>
+#ifndef __bitwise
+#define __bitwise
+#endif
+
+#ifndef __le32
+typedef __u32 __bitwise __le32;
+#endif
+
#define DECLARE_BITMAP(name,bits) \
unsigned long name[BITS_TO_LONGS(bits)]
diff --git a/tools/perf/util/intlist.c b/tools/perf/util/intlist.c
index fd530dced9cb..9d0740024ba8 100644
--- a/tools/perf/util/intlist.c
+++ b/tools/perf/util/intlist.c
@@ -11,7 +11,7 @@
#include "intlist.h"
-static struct rb_node *intlist__node_new(struct rblist *rblist __used,
+static struct rb_node *intlist__node_new(struct rblist *rblist __maybe_unused,
const void *entry)
{
int i = (int)((long)entry);
@@ -31,7 +31,7 @@ static void int_node__delete(struct int_node *ilist)
free(ilist);
}
-static void intlist__node_delete(struct rblist *rblist __used,
+static void intlist__node_delete(struct rblist *rblist __maybe_unused,
struct rb_node *rb_node)
{
struct int_node *node = container_of(rb_node, struct int_node, rb_node);
@@ -52,9 +52,9 @@ int intlist__add(struct intlist *ilist, int i)
return rblist__add_node(&ilist->rblist, (void *)((long)i));
}
-void intlist__remove(struct intlist *ilist __used, struct int_node *node)
+void intlist__remove(struct intlist *ilist, struct int_node *node)
{
- int_node__delete(node);
+ rblist__remove_node(&ilist->rblist, &node->rb_node);
}
struct int_node *intlist__find(struct intlist *ilist, int i)
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index cc33486ad9e2..ead5316b3f89 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -9,6 +9,7 @@
#include "map.h"
#include "thread.h"
#include "strlist.h"
+#include "vdso.h"
const char *map_type__name[MAP__NR_TYPES] = {
[MAP__FUNCTION] = "Functions",
@@ -23,7 +24,6 @@ static inline int is_anon_memory(const char *filename)
static inline int is_no_dso_memory(const char *filename)
{
return !strcmp(filename, "[stack]") ||
- !strcmp(filename, "[vdso]") ||
!strcmp(filename, "[heap]");
}
@@ -52,9 +52,10 @@ struct map *map__new(struct list_head *dsos__list, u64 start, u64 len,
if (self != NULL) {
char newfilename[PATH_MAX];
struct dso *dso;
- int anon, no_dso;
+ int anon, no_dso, vdso;
anon = is_anon_memory(filename);
+ vdso = is_vdso_map(filename);
no_dso = is_no_dso_memory(filename);
if (anon) {
@@ -62,7 +63,12 @@ struct map *map__new(struct list_head *dsos__list, u64 start, u64 len,
filename = newfilename;
}
- dso = __dsos__findnew(dsos__list, filename);
+ if (vdso) {
+ pgoff = 0;
+ dso = vdso__dso_findnew(dsos__list);
+ } else
+ dso = __dsos__findnew(dsos__list, filename);
+
if (dso == NULL)
goto out_delete;
@@ -86,6 +92,25 @@ out_delete:
return NULL;
}
+/*
+ * Constructor variant for modules (where we know from /proc/modules where
+ * they are loaded) and for vmlinux, where only after we load all the
+ * symbols we'll know where it starts and ends.
+ */
+struct map *map__new2(u64 start, struct dso *dso, enum map_type type)
+{
+ struct map *map = calloc(1, (sizeof(*map) +
+ (dso->kernel ? sizeof(struct kmap) : 0)));
+ if (map != NULL) {
+ /*
+ * ->end will be filled after we load all the symbols
+ */
+ map__init(map, type, start, 0, 0, dso);
+ }
+
+ return map;
+}
+
void map__delete(struct map *self)
{
free(self);
@@ -137,6 +162,7 @@ int map__load(struct map *self, symbol_filter_t filter)
pr_warning(", continuing without symbols\n");
return -1;
} else if (nr == 0) {
+#ifndef NO_LIBELF_SUPPORT
const size_t len = strlen(name);
const size_t real_len = len - sizeof(DSO__DELETED);
@@ -149,7 +175,7 @@ int map__load(struct map *self, symbol_filter_t filter)
pr_warning("no symbols found in %s, maybe install "
"a debug package?\n", name);
}
-
+#endif
return -1;
}
/*
@@ -217,15 +243,14 @@ size_t map__fprintf(struct map *self, FILE *fp)
size_t map__fprintf_dsoname(struct map *map, FILE *fp)
{
- const char *dsoname;
+ const char *dsoname = "[unknown]";
if (map && map->dso && (map->dso->name || map->dso->long_name)) {
if (symbol_conf.show_kernel_path && map->dso->long_name)
dsoname = map->dso->long_name;
else if (map->dso->name)
dsoname = map->dso->name;
- } else
- dsoname = "[unknown]";
+ }
return fprintf(fp, "%s", dsoname);
}
@@ -242,14 +267,6 @@ u64 map__rip_2objdump(struct map *map, u64 rip)
return addr;
}
-u64 map__objdump_2ip(struct map *map, u64 addr)
-{
- u64 ip = map->dso->adjust_symbols ?
- addr :
- map->unmap_ip(map, addr); /* RIP -> IP */
- return ip;
-}
-
void map_groups__init(struct map_groups *mg)
{
int i;
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h
index 03a1e9b08b21..d2250fc97e25 100644
--- a/tools/perf/util/map.h
+++ b/tools/perf/util/map.h
@@ -96,7 +96,7 @@ static inline u64 map__unmap_ip(struct map *map, u64 ip)
return ip + map->start - map->pgoff;
}
-static inline u64 identity__map_ip(struct map *map __used, u64 ip)
+static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip)
{
return ip;
}
@@ -104,7 +104,6 @@ static inline u64 identity__map_ip(struct map *map __used, u64 ip)
/* rip/ip <-> addr suitable for passing to `objdump --start-address=` */
u64 map__rip_2objdump(struct map *map, u64 rip);
-u64 map__objdump_2ip(struct map *map, u64 addr);
struct symbol;
@@ -115,6 +114,7 @@ void map__init(struct map *self, enum map_type type,
struct map *map__new(struct list_head *dsos__list, u64 start, u64 len,
u64 pgoff, u32 pid, char *filename,
enum map_type type);
+struct map *map__new2(u64 start, struct dso *dso, enum map_type type);
void map__delete(struct map *self);
struct map *map__clone(struct map *self);
int map__overlap(struct map *l, struct map *r);
@@ -157,9 +157,12 @@ int machine__init(struct machine *self, const char *root_dir, pid_t pid);
void machine__exit(struct machine *self);
void machine__delete(struct machine *self);
+struct perf_evsel;
+struct perf_sample;
int machine__resolve_callchain(struct machine *machine,
+ struct perf_evsel *evsel,
struct thread *thread,
- struct ip_callchain *chain,
+ struct perf_sample *sample,
struct symbol **parent);
int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name,
u64 addr);
diff --git a/tools/perf/util/parse-events-test.c b/tools/perf/util/parse-events-test.c
index 127d648cc548..28c18d1d52c3 100644
--- a/tools/perf/util/parse-events-test.c
+++ b/tools/perf/util/parse-events-test.c
@@ -18,8 +18,7 @@ do { \
static int test__checkevent_tracepoint(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->attr.type);
@@ -48,8 +47,7 @@ static int test__checkevent_tracepoint_multi(struct perf_evlist *evlist)
static int test__checkevent_raw(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
@@ -59,8 +57,7 @@ static int test__checkevent_raw(struct perf_evlist *evlist)
static int test__checkevent_numeric(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
TEST_ASSERT_VAL("wrong type", 1 == evsel->attr.type);
@@ -70,8 +67,7 @@ static int test__checkevent_numeric(struct perf_evlist *evlist)
static int test__checkevent_symbolic_name(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
@@ -82,8 +78,7 @@ static int test__checkevent_symbolic_name(struct perf_evlist *evlist)
static int test__checkevent_symbolic_name_config(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
@@ -100,8 +95,7 @@ static int test__checkevent_symbolic_name_config(struct perf_evlist *evlist)
static int test__checkevent_symbolic_alias(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->attr.type);
@@ -112,8 +106,7 @@ static int test__checkevent_symbolic_alias(struct perf_evlist *evlist)
static int test__checkevent_genhw(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HW_CACHE == evsel->attr.type);
@@ -123,8 +116,7 @@ static int test__checkevent_genhw(struct perf_evlist *evlist)
static int test__checkevent_breakpoint(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_BREAKPOINT == evsel->attr.type);
@@ -138,8 +130,7 @@ static int test__checkevent_breakpoint(struct perf_evlist *evlist)
static int test__checkevent_breakpoint_x(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_BREAKPOINT == evsel->attr.type);
@@ -152,8 +143,7 @@ static int test__checkevent_breakpoint_x(struct perf_evlist *evlist)
static int test__checkevent_breakpoint_r(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
TEST_ASSERT_VAL("wrong type",
@@ -168,8 +158,7 @@ static int test__checkevent_breakpoint_r(struct perf_evlist *evlist)
static int test__checkevent_breakpoint_w(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
TEST_ASSERT_VAL("wrong type",
@@ -184,8 +173,7 @@ static int test__checkevent_breakpoint_w(struct perf_evlist *evlist)
static int test__checkevent_breakpoint_rw(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
TEST_ASSERT_VAL("wrong type",
@@ -200,8 +188,7 @@ static int test__checkevent_breakpoint_rw(struct perf_evlist *evlist)
static int test__checkevent_tracepoint_modifier(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
@@ -232,8 +219,7 @@ test__checkevent_tracepoint_multi_modifier(struct perf_evlist *evlist)
static int test__checkevent_raw_modifier(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
@@ -245,8 +231,7 @@ static int test__checkevent_raw_modifier(struct perf_evlist *evlist)
static int test__checkevent_numeric_modifier(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
@@ -258,8 +243,7 @@ static int test__checkevent_numeric_modifier(struct perf_evlist *evlist)
static int test__checkevent_symbolic_name_modifier(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
@@ -271,8 +255,7 @@ static int test__checkevent_symbolic_name_modifier(struct perf_evlist *evlist)
static int test__checkevent_exclude_host_modifier(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
@@ -282,8 +265,7 @@ static int test__checkevent_exclude_host_modifier(struct perf_evlist *evlist)
static int test__checkevent_exclude_guest_modifier(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
@@ -293,8 +275,7 @@ static int test__checkevent_exclude_guest_modifier(struct perf_evlist *evlist)
static int test__checkevent_symbolic_alias_modifier(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
@@ -306,8 +287,7 @@ static int test__checkevent_symbolic_alias_modifier(struct perf_evlist *evlist)
static int test__checkevent_genhw_modifier(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
@@ -319,75 +299,71 @@ static int test__checkevent_genhw_modifier(struct perf_evlist *evlist)
static int test__checkevent_breakpoint_modifier(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0x0:rw:u"));
+ !strcmp(perf_evsel__name(evsel), "mem:0:u"));
return test__checkevent_breakpoint(evlist);
}
static int test__checkevent_breakpoint_x_modifier(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0x0:x:k"));
+ !strcmp(perf_evsel__name(evsel), "mem:0:x:k"));
return test__checkevent_breakpoint_x(evlist);
}
static int test__checkevent_breakpoint_r_modifier(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0x0:r:hp"));
+ !strcmp(perf_evsel__name(evsel), "mem:0:r:hp"));
return test__checkevent_breakpoint_r(evlist);
}
static int test__checkevent_breakpoint_w_modifier(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0x0:w:up"));
+ !strcmp(perf_evsel__name(evsel), "mem:0:w:up"));
return test__checkevent_breakpoint_w(evlist);
}
static int test__checkevent_breakpoint_rw_modifier(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0x0:rw:kp"));
+ !strcmp(perf_evsel__name(evsel), "mem:0:rw:kp"));
return test__checkevent_breakpoint_rw(evlist);
}
@@ -395,8 +371,7 @@ static int test__checkevent_breakpoint_rw_modifier(struct perf_evlist *evlist)
static int test__checkevent_pmu(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = list_entry(evlist->entries.next,
- struct perf_evsel, node);
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
@@ -410,12 +385,11 @@ static int test__checkevent_pmu(struct perf_evlist *evlist)
static int test__checkevent_list(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel;
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("wrong number of entries", 3 == evlist->nr_entries);
/* r1 */
- evsel = list_entry(evlist->entries.next, struct perf_evsel, node);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
TEST_ASSERT_VAL("wrong config", 1 == evsel->attr.config);
TEST_ASSERT_VAL("wrong config1", 0 == evsel->attr.config1);
@@ -426,7 +400,7 @@ static int test__checkevent_list(struct perf_evlist *evlist)
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
/* syscalls:sys_enter_open:k */
- evsel = list_entry(evsel->node.next, struct perf_evsel, node);
+ evsel = perf_evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->attr.type);
TEST_ASSERT_VAL("wrong sample_type",
PERF_TP_SAMPLE_TYPE == evsel->attr.sample_type);
@@ -437,7 +411,7 @@ static int test__checkevent_list(struct perf_evlist *evlist)
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
/* 1:1:hp */
- evsel = list_entry(evsel->node.next, struct perf_evsel, node);
+ evsel = perf_evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", 1 == evsel->attr.type);
TEST_ASSERT_VAL("wrong config", 1 == evsel->attr.config);
TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
@@ -450,22 +424,21 @@ static int test__checkevent_list(struct perf_evlist *evlist)
static int test__checkevent_pmu_name(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel;
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
/* cpu/config=1,name=krava/u */
- evsel = list_entry(evlist->entries.next, struct perf_evsel, node);
TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
TEST_ASSERT_VAL("wrong config", 1 == evsel->attr.config);
TEST_ASSERT_VAL("wrong name", !strcmp(perf_evsel__name(evsel), "krava"));
/* cpu/config=2/u" */
- evsel = list_entry(evsel->node.next, struct perf_evsel, node);
+ evsel = perf_evsel__next(evsel);
TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
TEST_ASSERT_VAL("wrong config", 2 == evsel->attr.config);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "raw 0x2:u"));
+ !strcmp(perf_evsel__name(evsel), "cpu/config=2/u"));
return 0;
}
@@ -513,6 +486,280 @@ static int test__checkterms_simple(struct list_head *terms)
return 0;
}
+static int test__group1(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel, *leader;
+
+ TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries);
+
+ /* instructions:k */
+ evsel = leader = perf_evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+
+ /* cycles:upp */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 2);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+
+ return 0;
+}
+
+static int test__group2(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel, *leader;
+
+ TEST_ASSERT_VAL("wrong number of entries", 3 == evlist->nr_entries);
+
+ /* faults + :ku modifier */
+ evsel = leader = perf_evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_SW_PAGE_FAULTS == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+
+ /* cache-references + :u modifier */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CACHE_REFERENCES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+
+ /* cycles:k */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+
+ return 0;
+}
+
+static int test__group3(struct perf_evlist *evlist __maybe_unused)
+{
+ struct perf_evsel *evsel, *leader;
+
+ TEST_ASSERT_VAL("wrong number of entries", 5 == evlist->nr_entries);
+
+ /* group1 syscalls:sys_enter_open:H */
+ evsel = leader = perf_evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong sample_type",
+ PERF_TP_SAMPLE_TYPE == evsel->attr.sample_type);
+ TEST_ASSERT_VAL("wrong sample_period", 1 == evsel->attr.sample_period);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+ TEST_ASSERT_VAL("wrong group name",
+ !strcmp(leader->group_name, "group1"));
+
+ /* group1 cycles:kppp */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 3);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+ TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
+
+ /* group2 cycles + G modifier */
+ evsel = leader = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+ TEST_ASSERT_VAL("wrong group name",
+ !strcmp(leader->group_name, "group2"));
+
+ /* group2 1:3 + G modifier */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", 1 == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config", 3 == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+
+ /* instructions:u */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+
+ return 0;
+}
+
+static int test__group4(struct perf_evlist *evlist __maybe_unused)
+{
+ struct perf_evsel *evsel, *leader;
+
+ TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries);
+
+ /* cycles:u + p */
+ evsel = leader = perf_evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 1);
+ TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+
+ /* instructions:kp + p */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 2);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+
+ return 0;
+}
+
+static int test__group5(struct perf_evlist *evlist __maybe_unused)
+{
+ struct perf_evsel *evsel, *leader;
+
+ TEST_ASSERT_VAL("wrong number of entries", 5 == evlist->nr_entries);
+
+ /* cycles + G */
+ evsel = leader = perf_evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+
+ /* instructions + G */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+
+ /* cycles:G */
+ evsel = leader = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+
+ /* instructions:G */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+
+ /* cycles */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+
+ return 0;
+}
+
struct test__event_st {
const char *name;
__u32 type;
@@ -632,6 +879,26 @@ static struct test__event_st test__events[] = {
.name = "mem:0:rw:kp",
.check = test__checkevent_breakpoint_rw_modifier,
},
+ [28] = {
+ .name = "{instructions:k,cycles:upp}",
+ .check = test__group1,
+ },
+ [29] = {
+ .name = "{faults:k,cache-references}:u,cycles:k",
+ .check = test__group2,
+ },
+ [30] = {
+ .name = "group1{syscalls:sys_enter_open:H,cycles:kppp},group2{cycles,1:3}:G,instructions:u",
+ .check = test__group3,
+ },
+ [31] = {
+ .name = "{cycles:u,instructions:kp}:p",
+ .check = test__group4,
+ },
+ [32] = {
+ .name = "{cycles,instructions}:G,{cycles:G,instructions:G},cycles",
+ .check = test__group5,
+ },
};
static struct test__event_st test__events_pmu[] = {
@@ -658,9 +925,6 @@ static struct test__term test__terms[] = {
},
};
-#define TEST__TERMS_CNT (sizeof(test__terms) / \
- sizeof(struct test__term))
-
static int test_event(struct test__event_st *e)
{
struct perf_evlist *evlist;
@@ -685,19 +949,19 @@ static int test_event(struct test__event_st *e)
static int test_events(struct test__event_st *events, unsigned cnt)
{
- int ret = 0;
+ int ret1, ret2 = 0;
unsigned i;
for (i = 0; i < cnt; i++) {
struct test__event_st *e = &events[i];
pr_debug("running test %d '%s'\n", i, e->name);
- ret = test_event(e);
- if (ret)
- break;
+ ret1 = test_event(e);
+ if (ret1)
+ ret2 = ret1;
}
- return ret;
+ return ret2;
}
static int test_term(struct test__term *t)
@@ -752,19 +1016,19 @@ static int test_pmu(void)
ret = stat(path, &st);
if (ret)
- pr_debug("ommiting PMU cpu tests\n");
+ pr_debug("omitting PMU cpu tests\n");
return !ret;
}
int parse_events__test(void)
{
- int ret;
+ int ret1, ret2 = 0;
#define TEST_EVENTS(tests) \
do { \
- ret = test_events(tests, ARRAY_SIZE(tests)); \
- if (ret) \
- return ret; \
+ ret1 = test_events(tests, ARRAY_SIZE(tests)); \
+ if (!ret2) \
+ ret2 = ret1; \
} while (0)
TEST_EVENTS(test__events);
@@ -772,5 +1036,9 @@ do { \
if (test_pmu())
TEST_EVENTS(test__events_pmu);
- return test_terms(test__terms, ARRAY_SIZE(test__terms));
+ ret1 = test_terms(test__terms, ARRAY_SIZE(test__terms));
+ if (!ret2)
+ ret2 = ret1;
+
+ return ret2;
}
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 74a5af4d33ec..aed38e4b9dfa 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -239,8 +239,11 @@ const char *event_type(int type)
return "unknown";
}
-static int add_event(struct list_head **_list, int *idx,
- struct perf_event_attr *attr, char *name)
+
+
+static int __add_event(struct list_head **_list, int *idx,
+ struct perf_event_attr *attr,
+ char *name, struct cpu_map *cpus)
{
struct perf_evsel *evsel;
struct list_head *list = *_list;
@@ -260,6 +263,7 @@ static int add_event(struct list_head **_list, int *idx,
return -ENOMEM;
}
+ evsel->cpus = cpus;
if (name)
evsel->name = strdup(name);
list_add_tail(&evsel->node, list);
@@ -267,6 +271,12 @@ static int add_event(struct list_head **_list, int *idx,
return 0;
}
+static int add_event(struct list_head **_list, int *idx,
+ struct perf_event_attr *attr, char *name)
+{
+ return __add_event(_list, idx, attr, name, NULL);
+}
+
static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size)
{
int i, j;
@@ -308,7 +318,7 @@ int parse_events_add_cache(struct list_head **list, int *idx,
for (i = 0; (i < 2) && (op_result[i]); i++) {
char *str = op_result[i];
- snprintf(name + n, MAX_NAME_LEN - n, "-%s\n", str);
+ n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str);
if (cache_op == -1) {
cache_op = parse_aliases(str, perf_evsel__hw_cache_op,
@@ -346,42 +356,28 @@ int parse_events_add_cache(struct list_head **list, int *idx,
return add_event(list, idx, &attr, name);
}
-static int add_tracepoint(struct list_head **list, int *idx,
+static int add_tracepoint(struct list_head **listp, int *idx,
char *sys_name, char *evt_name)
{
- struct perf_event_attr attr;
- char name[MAX_NAME_LEN];
- char evt_path[MAXPATHLEN];
- char id_buf[4];
- u64 id;
- int fd;
-
- snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path,
- sys_name, evt_name);
-
- fd = open(evt_path, O_RDONLY);
- if (fd < 0)
- return -1;
+ struct perf_evsel *evsel;
+ struct list_head *list = *listp;
- if (read(fd, id_buf, sizeof(id_buf)) < 0) {
- close(fd);
- return -1;
+ if (!list) {
+ list = malloc(sizeof(*list));
+ if (!list)
+ return -ENOMEM;
+ INIT_LIST_HEAD(list);
}
- close(fd);
- id = atoll(id_buf);
-
- memset(&attr, 0, sizeof(attr));
- attr.config = id;
- attr.type = PERF_TYPE_TRACEPOINT;
- attr.sample_type |= PERF_SAMPLE_RAW;
- attr.sample_type |= PERF_SAMPLE_TIME;
- attr.sample_type |= PERF_SAMPLE_CPU;
- attr.sample_type |= PERF_SAMPLE_PERIOD;
- attr.sample_period = 1;
+ evsel = perf_evsel__newtp(sys_name, evt_name, (*idx)++);
+ if (!evsel) {
+ free(list);
+ return -ENOMEM;
+ }
- snprintf(name, MAX_NAME_LEN, "%s:%s", sys_name, evt_name);
- return add_event(list, idx, &attr, name);
+ list_add_tail(&evsel->node, list);
+ *listp = list;
+ return 0;
}
static int add_tracepoint_multi(struct list_head **list, int *idx,
@@ -551,7 +547,7 @@ static int config_attr(struct perf_event_attr *attr,
}
int parse_events_add_numeric(struct list_head **list, int *idx,
- unsigned long type, unsigned long config,
+ u32 type, u64 config,
struct list_head *head_config)
{
struct perf_event_attr attr;
@@ -607,8 +603,23 @@ int parse_events_add_pmu(struct list_head **list, int *idx,
if (perf_pmu__config(pmu, &attr, head_config))
return -EINVAL;
- return add_event(list, idx, &attr,
- pmu_event_name(head_config));
+ return __add_event(list, idx, &attr, pmu_event_name(head_config),
+ pmu->cpus);
+}
+
+int parse_events__modifier_group(struct list_head *list,
+ char *event_mod)
+{
+ return parse_events__modifier_event(list, event_mod, true);
+}
+
+void parse_events__set_leader(char *name, struct list_head *list)
+{
+ struct perf_evsel *leader;
+
+ __perf_evlist__set_leader(list);
+ leader = list_entry(list->next, struct perf_evsel, node);
+ leader->group_name = name ? strdup(name) : NULL;
}
void parse_events_update_lists(struct list_head *list_event,
@@ -616,21 +627,45 @@ void parse_events_update_lists(struct list_head *list_event,
{
/*
* Called for single event definition. Update the
- * 'all event' list, and reinit the 'signle event'
+ * 'all event' list, and reinit the 'single event'
* list, for next event definition.
*/
list_splice_tail(list_event, list_all);
free(list_event);
}
-int parse_events_modifier(struct list_head *list, char *str)
+struct event_modifier {
+ int eu;
+ int ek;
+ int eh;
+ int eH;
+ int eG;
+ int precise;
+ int exclude_GH;
+};
+
+static int get_event_modifier(struct event_modifier *mod, char *str,
+ struct perf_evsel *evsel)
{
- struct perf_evsel *evsel;
- int exclude = 0, exclude_GH = 0;
- int eu = 0, ek = 0, eh = 0, eH = 0, eG = 0, precise = 0;
+ int eu = evsel ? evsel->attr.exclude_user : 0;
+ int ek = evsel ? evsel->attr.exclude_kernel : 0;
+ int eh = evsel ? evsel->attr.exclude_hv : 0;
+ int eH = evsel ? evsel->attr.exclude_host : 0;
+ int eG = evsel ? evsel->attr.exclude_guest : 0;
+ int precise = evsel ? evsel->attr.precise_ip : 0;
- if (str == NULL)
- return 0;
+ int exclude = eu | ek | eh;
+ int exclude_GH = evsel ? evsel->exclude_GH : 0;
+
+ /*
+ * We are here for group and 'GH' was not set as event
+ * modifier and whatever event/group modifier override
+ * default 'GH' setup.
+ */
+ if (evsel && !exclude_GH)
+ eH = eG = 0;
+
+ memset(mod, 0, sizeof(*mod));
while (*str) {
if (*str == 'u') {
@@ -674,13 +709,51 @@ int parse_events_modifier(struct list_head *list, char *str)
if (precise > 3)
return -EINVAL;
+ mod->eu = eu;
+ mod->ek = ek;
+ mod->eh = eh;
+ mod->eH = eH;
+ mod->eG = eG;
+ mod->precise = precise;
+ mod->exclude_GH = exclude_GH;
+ return 0;
+}
+
+int parse_events__modifier_event(struct list_head *list, char *str, bool add)
+{
+ struct perf_evsel *evsel;
+ struct event_modifier mod;
+
+ if (str == NULL)
+ return 0;
+
+ if (!add && get_event_modifier(&mod, str, NULL))
+ return -EINVAL;
+
list_for_each_entry(evsel, list, node) {
- evsel->attr.exclude_user = eu;
- evsel->attr.exclude_kernel = ek;
- evsel->attr.exclude_hv = eh;
- evsel->attr.precise_ip = precise;
- evsel->attr.exclude_host = eH;
- evsel->attr.exclude_guest = eG;
+
+ if (add && get_event_modifier(&mod, str, evsel))
+ return -EINVAL;
+
+ evsel->attr.exclude_user = mod.eu;
+ evsel->attr.exclude_kernel = mod.ek;
+ evsel->attr.exclude_hv = mod.eh;
+ evsel->attr.precise_ip = mod.precise;
+ evsel->attr.exclude_host = mod.eH;
+ evsel->attr.exclude_guest = mod.eG;
+ evsel->exclude_GH = mod.exclude_GH;
+ }
+
+ return 0;
+}
+
+int parse_events_name(struct list_head *list, char *name)
+{
+ struct perf_evsel *evsel;
+
+ list_for_each_entry(evsel, list, node) {
+ if (!evsel->name)
+ evsel->name = strdup(name);
}
return 0;
@@ -730,7 +803,8 @@ int parse_events_terms(struct list_head *terms, const char *str)
return ret;
}
-int parse_events(struct perf_evlist *evlist, const char *str, int unset __used)
+int parse_events(struct perf_evlist *evlist, const char *str,
+ int unset __maybe_unused)
{
struct parse_events_data__events data = {
.list = LIST_HEAD_INIT(data.list),
@@ -756,20 +830,20 @@ int parse_events(struct perf_evlist *evlist, const char *str, int unset __used)
}
int parse_events_option(const struct option *opt, const char *str,
- int unset __used)
+ int unset __maybe_unused)
{
struct perf_evlist *evlist = *(struct perf_evlist **)opt->value;
return parse_events(evlist, str, unset);
}
int parse_filter(const struct option *opt, const char *str,
- int unset __used)
+ int unset __maybe_unused)
{
struct perf_evlist *evlist = *(struct perf_evlist **)opt->value;
struct perf_evsel *last = NULL;
if (evlist->nr_entries > 0)
- last = list_entry(evlist->entries.prev, struct perf_evsel, node);
+ last = perf_evlist__last(evlist);
if (last == NULL || last->attr.type != PERF_TYPE_TRACEPOINT) {
fprintf(stderr,
@@ -799,7 +873,8 @@ static const char * const event_type_descriptors[] = {
* Print the events from <debugfs_mount_point>/tracing/events
*/
-void print_tracepoint_events(const char *subsys_glob, const char *event_glob)
+void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
+ bool name_only)
{
DIR *sys_dir, *evt_dir;
struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent;
@@ -829,6 +904,11 @@ void print_tracepoint_events(const char *subsys_glob, const char *event_glob)
!strglobmatch(evt_dirent.d_name, event_glob))
continue;
+ if (name_only) {
+ printf("%s:%s ", sys_dirent.d_name, evt_dirent.d_name);
+ continue;
+ }
+
snprintf(evt_path, MAXPATHLEN, "%s:%s",
sys_dirent.d_name, evt_dirent.d_name);
printf(" %-50s [%s]\n", evt_path,
@@ -906,7 +986,7 @@ void print_events_type(u8 type)
__print_events_type(type, event_symbols_hw, PERF_COUNT_HW_MAX);
}
-int print_hwcache_events(const char *event_glob)
+int print_hwcache_events(const char *event_glob, bool name_only)
{
unsigned int type, op, i, printed = 0;
char name[64];
@@ -923,8 +1003,11 @@ int print_hwcache_events(const char *event_glob)
if (event_glob != NULL && !strglobmatch(name, event_glob))
continue;
- printf(" %-50s [%s]\n", name,
- event_type_descriptors[PERF_TYPE_HW_CACHE]);
+ if (name_only)
+ printf("%s ", name);
+ else
+ printf(" %-50s [%s]\n", name,
+ event_type_descriptors[PERF_TYPE_HW_CACHE]);
++printed;
}
}
@@ -934,7 +1017,8 @@ int print_hwcache_events(const char *event_glob)
}
static void print_symbol_events(const char *event_glob, unsigned type,
- struct event_symbol *syms, unsigned max)
+ struct event_symbol *syms, unsigned max,
+ bool name_only)
{
unsigned i, printed = 0;
char name[MAX_NAME_LEN];
@@ -946,6 +1030,11 @@ static void print_symbol_events(const char *event_glob, unsigned type,
(syms->alias && strglobmatch(syms->alias, event_glob))))
continue;
+ if (name_only) {
+ printf("%s ", syms->symbol);
+ continue;
+ }
+
if (strlen(syms->alias))
snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias);
else
@@ -963,39 +1052,42 @@ static void print_symbol_events(const char *event_glob, unsigned type,
/*
* Print the help text for the event symbols:
*/
-void print_events(const char *event_glob)
+void print_events(const char *event_glob, bool name_only)
{
-
- printf("\n");
- printf("List of pre-defined events (to be used in -e):\n");
+ if (!name_only) {
+ printf("\n");
+ printf("List of pre-defined events (to be used in -e):\n");
+ }
print_symbol_events(event_glob, PERF_TYPE_HARDWARE,
- event_symbols_hw, PERF_COUNT_HW_MAX);
+ event_symbols_hw, PERF_COUNT_HW_MAX, name_only);
print_symbol_events(event_glob, PERF_TYPE_SOFTWARE,
- event_symbols_sw, PERF_COUNT_SW_MAX);
+ event_symbols_sw, PERF_COUNT_SW_MAX, name_only);
- print_hwcache_events(event_glob);
+ print_hwcache_events(event_glob, name_only);
if (event_glob != NULL)
return;
- printf("\n");
- printf(" %-50s [%s]\n",
- "rNNN",
- event_type_descriptors[PERF_TYPE_RAW]);
- printf(" %-50s [%s]\n",
- "cpu/t1=v1[,t2=v2,t3 ...]/modifier",
- event_type_descriptors[PERF_TYPE_RAW]);
- printf(" (see 'perf list --help' on how to encode it)\n");
- printf("\n");
-
- printf(" %-50s [%s]\n",
- "mem:<addr>[:access]",
+ if (!name_only) {
+ printf("\n");
+ printf(" %-50s [%s]\n",
+ "rNNN",
+ event_type_descriptors[PERF_TYPE_RAW]);
+ printf(" %-50s [%s]\n",
+ "cpu/t1=v1[,t2=v2,t3 ...]/modifier",
+ event_type_descriptors[PERF_TYPE_RAW]);
+ printf(" (see 'perf list --help' on how to encode it)\n");
+ printf("\n");
+
+ printf(" %-50s [%s]\n",
+ "mem:<addr>[:access]",
event_type_descriptors[PERF_TYPE_BREAKPOINT]);
- printf("\n");
+ printf("\n");
+ }
- print_tracepoint_events(NULL, NULL);
+ print_tracepoint_events(NULL, NULL, name_only);
}
int parse_events__is_hardcoded_term(struct parse_events__term *term)
@@ -1005,7 +1097,7 @@ int parse_events__is_hardcoded_term(struct parse_events__term *term)
static int new_term(struct parse_events__term **_term, int type_val,
int type_term, char *config,
- char *str, long num)
+ char *str, u64 num)
{
struct parse_events__term *term;
@@ -1034,7 +1126,7 @@ static int new_term(struct parse_events__term **_term, int type_val,
}
int parse_events__term_num(struct parse_events__term **term,
- int type_term, char *config, long num)
+ int type_term, char *config, u64 num)
{
return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term,
config, NULL, num);
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index ee9c218a193c..c356e443448d 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -55,7 +55,7 @@ struct parse_events__term {
char *config;
union {
char *str;
- long num;
+ u64 num;
} val;
int type_val;
int type_term;
@@ -73,17 +73,19 @@ struct parse_events_data__terms {
int parse_events__is_hardcoded_term(struct parse_events__term *term);
int parse_events__term_num(struct parse_events__term **_term,
- int type_term, char *config, long num);
+ int type_term, char *config, u64 num);
int parse_events__term_str(struct parse_events__term **_term,
int type_term, char *config, char *str);
int parse_events__term_clone(struct parse_events__term **new,
struct parse_events__term *term);
void parse_events__free_terms(struct list_head *terms);
-int parse_events_modifier(struct list_head *list, char *str);
+int parse_events__modifier_event(struct list_head *list, char *str, bool add);
+int parse_events__modifier_group(struct list_head *list, char *event_mod);
+int parse_events_name(struct list_head *list, char *name);
int parse_events_add_tracepoint(struct list_head **list, int *idx,
char *sys, char *event);
int parse_events_add_numeric(struct list_head **list, int *idx,
- unsigned long type, unsigned long config,
+ u32 type, u64 config,
struct list_head *head_config);
int parse_events_add_cache(struct list_head **list, int *idx,
char *type, char *op_result1, char *op_result2);
@@ -91,15 +93,17 @@ int parse_events_add_breakpoint(struct list_head **list, int *idx,
void *ptr, char *type);
int parse_events_add_pmu(struct list_head **list, int *idx,
char *pmu , struct list_head *head_config);
+void parse_events__set_leader(char *name, struct list_head *list);
void parse_events_update_lists(struct list_head *list_event,
struct list_head *list_all);
void parse_events_error(void *data, void *scanner, char const *msg);
int parse_events__test(void);
-void print_events(const char *event_glob);
+void print_events(const char *event_glob, bool name_only);
void print_events_type(u8 type);
-void print_tracepoint_events(const char *subsys_glob, const char *event_glob);
-int print_hwcache_events(const char *event_glob);
+void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
+ bool name_only);
+int print_hwcache_events(const char *event_glob, bool name_only);
extern int is_valid_tracepoint(const char *event_string);
extern int valid_debugfs_mount(const char *debugfs);
diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index 384ca74c6b22..c87efc12579d 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -15,10 +15,10 @@ YYSTYPE *parse_events_get_lval(yyscan_t yyscanner);
static int __value(YYSTYPE *yylval, char *str, int base, int token)
{
- long num;
+ u64 num;
errno = 0;
- num = strtoul(str, NULL, base);
+ num = strtoull(str, NULL, base);
if (errno)
return PE_ERROR;
@@ -70,6 +70,12 @@ static int term(yyscan_t scanner, int type)
%}
%x mem
+%s config
+%x event
+
+group [^,{}/]*[{][^}]*[}][^,{}/]*
+event_pmu [^,{}/]+[/][^/]*[/][^,{}/]*
+event [^,{}/]+
num_dec [0-9]+
num_hex 0x[a-fA-F0-9]+
@@ -84,7 +90,13 @@ modifier_bp [rwx]{1,3}
{
int start_token;
- start_token = (int) parse_events_get_extra(yyscanner);
+ start_token = parse_events_get_extra(yyscanner);
+
+ if (start_token == PE_START_TERMS)
+ BEGIN(config);
+ else if (start_token == PE_START_EVENTS)
+ BEGIN(event);
+
if (start_token) {
parse_events_set_extra(NULL, yyscanner);
return start_token;
@@ -92,6 +104,26 @@ modifier_bp [rwx]{1,3}
}
%}
+<event>{
+
+{group} {
+ BEGIN(INITIAL); yyless(0);
+ }
+
+{event_pmu} |
+{event} {
+ str(yyscanner, PE_EVENT_NAME);
+ BEGIN(INITIAL); yyless(0);
+ return PE_EVENT_NAME;
+ }
+
+. |
+<<EOF>> {
+ BEGIN(INITIAL); yyless(0);
+ }
+
+}
+
cpu-cycles|cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES); }
stalled-cycles-frontend|idle-cycles-frontend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND); }
stalled-cycles-backend|idle-cycles-backend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND); }
@@ -127,18 +159,16 @@ speculative-read|speculative-load |
refs|Reference|ops|access |
misses|miss { return str(yyscanner, PE_NAME_CACHE_OP_RESULT); }
- /*
- * These are event config hardcoded term names to be specified
- * within xxx/.../ syntax. So far we dont clash with other names,
- * so we can put them here directly. In case the we have a conflict
- * in future, this needs to go into '//' condition block.
- */
+<config>{
config { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG); }
config1 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG1); }
config2 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG2); }
name { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NAME); }
period { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); }
branch_type { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); }
+, { return ','; }
+"/" { BEGIN(INITIAL); return '/'; }
+}
mem: { BEGIN(mem); return PE_PREFIX_MEM; }
r{num_raw_hex} { return raw(yyscanner); }
@@ -147,10 +177,12 @@ r{num_raw_hex} { return raw(yyscanner); }
{modifier_event} { return str(yyscanner, PE_MODIFIER_EVENT); }
{name} { return str(yyscanner, PE_NAME); }
-"/" { return '/'; }
+"/" { BEGIN(config); return '/'; }
- { return '-'; }
-, { return ','; }
+, { BEGIN(event); return ','; }
: { return ':'; }
+"{" { BEGIN(event); return '{'; }
+"}" { return '}'; }
= { return '='; }
\n { }
@@ -175,7 +207,7 @@ r{num_raw_hex} { return raw(yyscanner); }
%%
-int parse_events_wrap(void *scanner __used)
+int parse_events_wrap(void *scanner __maybe_unused)
{
return 1;
}
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 2bc5fbff2b5d..cd88209e3c58 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -27,10 +27,11 @@ do { \
%token PE_START_EVENTS PE_START_TERMS
%token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM
+%token PE_EVENT_NAME
%token PE_NAME
%token PE_MODIFIER_EVENT PE_MODIFIER_BP
%token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
-%token PE_PREFIX_MEM PE_PREFIX_RAW
+%token PE_PREFIX_MEM PE_PREFIX_RAW PE_PREFIX_GROUP
%token PE_ERROR
%type <num> PE_VALUE
%type <num> PE_VALUE_SYM_HW
@@ -42,6 +43,7 @@ do { \
%type <str> PE_NAME_CACHE_OP_RESULT
%type <str> PE_MODIFIER_EVENT
%type <str> PE_MODIFIER_BP
+%type <str> PE_EVENT_NAME
%type <num> value_sym
%type <head> event_config
%type <term> event_term
@@ -53,44 +55,125 @@ do { \
%type <head> event_legacy_numeric
%type <head> event_legacy_raw
%type <head> event_def
+%type <head> event_mod
+%type <head> event_name
+%type <head> event
+%type <head> events
+%type <head> group_def
+%type <head> group
+%type <head> groups
%union
{
char *str;
- unsigned long num;
+ u64 num;
struct list_head *head;
struct parse_events__term *term;
}
%%
start:
-PE_START_EVENTS events
+PE_START_EVENTS start_events
|
-PE_START_TERMS terms
+PE_START_TERMS start_terms
+
+start_events: groups
+{
+ struct parse_events_data__events *data = _data;
+
+ parse_events_update_lists($1, &data->list);
+}
+
+groups:
+groups ',' group
+{
+ struct list_head *list = $1;
+ struct list_head *group = $3;
+
+ parse_events_update_lists(group, list);
+ $$ = list;
+}
+|
+groups ',' event
+{
+ struct list_head *list = $1;
+ struct list_head *event = $3;
+
+ parse_events_update_lists(event, list);
+ $$ = list;
+}
+|
+group
+|
+event
+
+group:
+group_def ':' PE_MODIFIER_EVENT
+{
+ struct list_head *list = $1;
+
+ ABORT_ON(parse_events__modifier_group(list, $3));
+ $$ = list;
+}
+|
+group_def
+
+group_def:
+PE_NAME '{' events '}'
+{
+ struct list_head *list = $3;
+
+ parse_events__set_leader($1, list);
+ $$ = list;
+}
+|
+'{' events '}'
+{
+ struct list_head *list = $2;
+
+ parse_events__set_leader(NULL, list);
+ $$ = list;
+}
events:
-events ',' event | event
+events ',' event
+{
+ struct list_head *event = $3;
+ struct list_head *list = $1;
-event:
-event_def PE_MODIFIER_EVENT
+ parse_events_update_lists(event, list);
+ $$ = list;
+}
+|
+event
+
+event: event_mod
+
+event_mod:
+event_name PE_MODIFIER_EVENT
{
- struct parse_events_data__events *data = _data;
+ struct list_head *list = $1;
/*
* Apply modifier on all events added by single event definition
* (there could be more events added for multiple tracepoint
* definitions via '*?'.
*/
- ABORT_ON(parse_events_modifier($1, $2));
- parse_events_update_lists($1, &data->list);
+ ABORT_ON(parse_events__modifier_event(list, $2, false));
+ $$ = list;
}
|
-event_def
-{
- struct parse_events_data__events *data = _data;
+event_name
- parse_events_update_lists($1, &data->list);
+event_name:
+PE_EVENT_NAME event_def
+{
+ ABORT_ON(parse_events_name($2, $1));
+ free($1);
+ $$ = $2;
}
+|
+event_def
event_def: event_pmu |
event_legacy_symbol |
@@ -207,7 +290,7 @@ PE_VALUE ':' PE_VALUE
struct parse_events_data__events *data = _data;
struct list_head *list = NULL;
- ABORT_ON(parse_events_add_numeric(&list, &data->idx, $1, $3, NULL));
+ ABORT_ON(parse_events_add_numeric(&list, &data->idx, (u32)$1, $3, NULL));
$$ = list;
}
@@ -222,7 +305,7 @@ PE_RAW
$$ = list;
}
-terms: event_config
+start_terms: event_config
{
struct parse_events_data__terms *data = _data;
data->terms = $1;
@@ -282,7 +365,7 @@ PE_TERM '=' PE_NAME
{
struct parse_events__term *term;
- ABORT_ON(parse_events__term_str(&term, $1, NULL, $3));
+ ABORT_ON(parse_events__term_str(&term, (int)$1, NULL, $3));
$$ = term;
}
|
@@ -290,7 +373,7 @@ PE_TERM '=' PE_VALUE
{
struct parse_events__term *term;
- ABORT_ON(parse_events__term_num(&term, $1, NULL, $3));
+ ABORT_ON(parse_events__term_num(&term, (int)$1, NULL, $3));
$$ = term;
}
|
@@ -298,7 +381,7 @@ PE_TERM
{
struct parse_events__term *term;
- ABORT_ON(parse_events__term_num(&term, $1, NULL, 1));
+ ABORT_ON(parse_events__term_num(&term, (int)$1, NULL, 1));
$$ = term;
}
@@ -308,7 +391,7 @@ sep_slash_dc: '/' | ':' |
%%
-void parse_events_error(void *data __used, void *scanner __used,
- char const *msg __used)
+void parse_events_error(void *data __maybe_unused, void *scanner __maybe_unused,
+ char const *msg __maybe_unused)
{
}
diff --git a/tools/perf/util/parse-options.c b/tools/perf/util/parse-options.c
index 594f8fad5ecd..443fc116512b 100644
--- a/tools/perf/util/parse-options.c
+++ b/tools/perf/util/parse-options.c
@@ -557,7 +557,8 @@ int parse_options_usage(const char * const *usagestr,
}
-int parse_opt_verbosity_cb(const struct option *opt, const char *arg __used,
+int parse_opt_verbosity_cb(const struct option *opt,
+ const char *arg __maybe_unused,
int unset)
{
int *target = opt->value;
diff --git a/tools/perf/util/perf_regs.h b/tools/perf/util/perf_regs.h
new file mode 100644
index 000000000000..316dbe7f86ed
--- /dev/null
+++ b/tools/perf/util/perf_regs.h
@@ -0,0 +1,14 @@
+#ifndef __PERF_REGS_H
+#define __PERF_REGS_H
+
+#ifndef NO_PERF_REGS
+#include <perf_regs.h>
+#else
+#define PERF_REGS_MASK 0
+
+static inline const char *perf_reg_name(int id __maybe_unused)
+{
+ return NULL;
+}
+#endif /* NO_PERF_REGS */
+#endif /* __PERF_REGS_H */
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 67715a42cd6d..8a2229da594f 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -9,6 +9,9 @@
#include "util.h"
#include "pmu.h"
#include "parse-events.h"
+#include "cpumap.h"
+
+#define EVENT_SOURCE_DEVICE_PATH "/bus/event_source/devices/"
int perf_pmu_parse(struct list_head *list, char *name);
extern FILE *perf_pmu_in;
@@ -69,7 +72,7 @@ static int pmu_format(char *name, struct list_head *format)
return -1;
snprintf(path, PATH_MAX,
- "%s/bus/event_source/devices/%s/format", sysfs, name);
+ "%s" EVENT_SOURCE_DEVICE_PATH "%s/format", sysfs, name);
if (stat(path, &st) < 0)
return 0; /* no error if format does not exist */
@@ -206,7 +209,7 @@ static int pmu_type(char *name, __u32 *type)
return -1;
snprintf(path, PATH_MAX,
- "%s/bus/event_source/devices/%s/type", sysfs, name);
+ "%s" EVENT_SOURCE_DEVICE_PATH "%s/type", sysfs, name);
if (stat(path, &st) < 0)
return -1;
@@ -222,6 +225,62 @@ static int pmu_type(char *name, __u32 *type)
return ret;
}
+/* Add all pmus in sysfs to pmu list: */
+static void pmu_read_sysfs(void)
+{
+ char path[PATH_MAX];
+ const char *sysfs;
+ DIR *dir;
+ struct dirent *dent;
+
+ sysfs = sysfs_find_mountpoint();
+ if (!sysfs)
+ return;
+
+ snprintf(path, PATH_MAX,
+ "%s" EVENT_SOURCE_DEVICE_PATH, sysfs);
+
+ dir = opendir(path);
+ if (!dir)
+ return;
+
+ while ((dent = readdir(dir))) {
+ if (!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, ".."))
+ continue;
+ /* add to static LIST_HEAD(pmus): */
+ perf_pmu__find(dent->d_name);
+ }
+
+ closedir(dir);
+}
+
+static struct cpu_map *pmu_cpumask(char *name)
+{
+ struct stat st;
+ char path[PATH_MAX];
+ const char *sysfs;
+ FILE *file;
+ struct cpu_map *cpus;
+
+ sysfs = sysfs_find_mountpoint();
+ if (!sysfs)
+ return NULL;
+
+ snprintf(path, PATH_MAX,
+ "%s/bus/event_source/devices/%s/cpumask", sysfs, name);
+
+ if (stat(path, &st) < 0)
+ return NULL;
+
+ file = fopen(path, "r");
+ if (!file)
+ return NULL;
+
+ cpus = cpu_map__read(file);
+ fclose(file);
+ return cpus;
+}
+
static struct perf_pmu *pmu_lookup(char *name)
{
struct perf_pmu *pmu;
@@ -244,6 +303,8 @@ static struct perf_pmu *pmu_lookup(char *name)
if (!pmu)
return NULL;
+ pmu->cpus = pmu_cpumask(name);
+
pmu_aliases(name, &aliases);
INIT_LIST_HEAD(&pmu->format);
@@ -267,6 +328,21 @@ static struct perf_pmu *pmu_find(char *name)
return NULL;
}
+struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu)
+{
+ /*
+ * pmu iterator: If pmu is NULL, we start at the begin,
+ * otherwise return the next pmu. Returns NULL on end.
+ */
+ if (!pmu) {
+ pmu_read_sysfs();
+ pmu = list_prepare_entry(pmu, &pmus, list);
+ }
+ list_for_each_entry_continue(pmu, &pmus, list)
+ return pmu;
+ return NULL;
+}
+
struct perf_pmu *perf_pmu__find(char *name)
{
struct perf_pmu *pmu;
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index 535f2c5258ab..53c7794fc4be 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -28,6 +28,7 @@ struct perf_pmu__alias {
struct perf_pmu {
char *name;
__u32 type;
+ struct cpu_map *cpus;
struct list_head format;
struct list_head aliases;
struct list_head list;
@@ -46,5 +47,7 @@ int perf_pmu__new_format(struct list_head *list, char *name,
int config, unsigned long *bits);
void perf_pmu__set_format(unsigned long *bits, long from, long to);
+struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);
+
int perf_pmu__test(void);
#endif /* __PMU_H */
diff --git a/tools/perf/util/pmu.y b/tools/perf/util/pmu.y
index 20ea77e93169..ec898047ebb9 100644
--- a/tools/perf/util/pmu.y
+++ b/tools/perf/util/pmu.y
@@ -86,8 +86,8 @@ PP_VALUE
%%
-void perf_pmu_error(struct list_head *list __used,
- char *name __used,
- char const *msg __used)
+void perf_pmu_error(struct list_head *list __maybe_unused,
+ char *name __maybe_unused,
+ char const *msg __maybe_unused)
{
}
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 0dda25d82d06..49a256e6e0a2 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -41,7 +41,7 @@
#include "symbol.h"
#include "thread.h"
#include "debugfs.h"
-#include "trace-event.h" /* For __unused */
+#include "trace-event.h" /* For __maybe_unused */
#include "probe-event.h"
#include "probe-finder.h"
#include "session.h"
@@ -647,8 +647,8 @@ static int kprobe_convert_to_perf_probe(struct probe_trace_point *tp,
}
static int try_to_find_probe_trace_events(struct perf_probe_event *pev,
- struct probe_trace_event **tevs __unused,
- int max_tevs __unused, const char *target)
+ struct probe_trace_event **tevs __maybe_unused,
+ int max_tevs __maybe_unused, const char *target)
{
if (perf_probe_event_need_dwarf(pev)) {
pr_warning("Debuginfo-analysis is not supported.\n");
@@ -661,17 +661,18 @@ static int try_to_find_probe_trace_events(struct perf_probe_event *pev,
return 0;
}
-int show_line_range(struct line_range *lr __unused, const char *module __unused)
+int show_line_range(struct line_range *lr __maybe_unused,
+ const char *module __maybe_unused)
{
pr_warning("Debuginfo-analysis is not supported.\n");
return -ENOSYS;
}
-int show_available_vars(struct perf_probe_event *pevs __unused,
- int npevs __unused, int max_vls __unused,
- const char *module __unused,
- struct strfilter *filter __unused,
- bool externs __unused)
+int show_available_vars(struct perf_probe_event *pevs __maybe_unused,
+ int npevs __maybe_unused, int max_vls __maybe_unused,
+ const char *module __maybe_unused,
+ struct strfilter *filter __maybe_unused,
+ bool externs __maybe_unused)
{
pr_warning("Debuginfo-analysis is not supported.\n");
return -ENOSYS;
@@ -1099,6 +1100,7 @@ static int parse_probe_trace_command(const char *cmd,
struct probe_trace_point *tp = &tev->point;
char pr;
char *p;
+ char *argv0_str = NULL, *fmt, *fmt1_str, *fmt2_str, *fmt3_str;
int ret, i, argc;
char **argv;
@@ -1115,14 +1117,27 @@ static int parse_probe_trace_command(const char *cmd,
}
/* Scan event and group name. */
- ret = sscanf(argv[0], "%c:%a[^/ \t]/%a[^ \t]",
- &pr, (float *)(void *)&tev->group,
- (float *)(void *)&tev->event);
- if (ret != 3) {
+ argv0_str = strdup(argv[0]);
+ if (argv0_str == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ fmt1_str = strtok_r(argv0_str, ":", &fmt);
+ fmt2_str = strtok_r(NULL, "/", &fmt);
+ fmt3_str = strtok_r(NULL, " \t", &fmt);
+ if (fmt1_str == NULL || strlen(fmt1_str) != 1 || fmt2_str == NULL
+ || fmt3_str == NULL) {
semantic_error("Failed to parse event name: %s\n", argv[0]);
ret = -EINVAL;
goto out;
}
+ pr = fmt1_str[0];
+ tev->group = strdup(fmt2_str);
+ tev->event = strdup(fmt3_str);
+ if (tev->group == NULL || tev->event == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
pr_debug("Group:%s Event:%s probe:%c\n", tev->group, tev->event, pr);
tp->retprobe = (pr == 'r');
@@ -1134,10 +1149,17 @@ static int parse_probe_trace_command(const char *cmd,
p++;
} else
p = argv[1];
- ret = sscanf(p, "%a[^+]+%lu", (float *)(void *)&tp->symbol,
- &tp->offset);
- if (ret == 1)
+ fmt1_str = strtok_r(p, "+", &fmt);
+ tp->symbol = strdup(fmt1_str);
+ if (tp->symbol == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ fmt2_str = strtok_r(NULL, "", &fmt);
+ if (fmt2_str == NULL)
tp->offset = 0;
+ else
+ tp->offset = strtoul(fmt2_str, NULL, 10);
tev->nargs = argc - 2;
tev->args = zalloc(sizeof(struct probe_trace_arg) * tev->nargs);
@@ -1161,6 +1183,7 @@ static int parse_probe_trace_command(const char *cmd,
}
ret = 0;
out:
+ free(argv0_str);
argv_free(argv);
return ret;
}
@@ -2183,7 +2206,7 @@ static struct strfilter *available_func_filter;
* If a symbol corresponds to a function with global binding and
* matches filter return 0. For all others return 1.
*/
-static int filter_available_functions(struct map *map __unused,
+static int filter_available_functions(struct map *map __maybe_unused,
struct symbol *sym)
{
if (sym->binding == STB_GLOBAL &&
@@ -2307,10 +2330,17 @@ static int convert_name_to_addr(struct perf_probe_event *pev, const char *exec)
function = NULL;
}
if (!pev->group) {
- char *ptr1, *ptr2;
+ char *ptr1, *ptr2, *exec_copy;
pev->group = zalloc(sizeof(char *) * 64);
- ptr1 = strdup(basename(exec));
+ exec_copy = strdup(exec);
+ if (!exec_copy) {
+ ret = -ENOMEM;
+ pr_warning("Failed to copy exec string.\n");
+ goto out;
+ }
+
+ ptr1 = strdup(basename(exec_copy));
if (ptr1) {
ptr2 = strpbrk(ptr1, "-._");
if (ptr2)
@@ -2319,6 +2349,7 @@ static int convert_name_to_addr(struct perf_probe_event *pev, const char *exec)
ptr1);
free(ptr1);
}
+ free(exec_copy);
}
free(pp->function);
pp->function = zalloc(sizeof(char *) * MAX_PROBE_ARGS);
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index d448984ed789..1daf5c14e751 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -207,7 +207,7 @@ static int debuginfo__init_online_kernel_dwarf(struct debuginfo *self,
#else
/* With older elfutils, this just support kernel module... */
static int debuginfo__init_online_kernel_dwarf(struct debuginfo *self,
- Dwarf_Addr addr __used)
+ Dwarf_Addr addr __maybe_unused)
{
const char *path = kernel_get_module_path("kernel");
@@ -525,8 +525,10 @@ static int convert_variable_fields(Dwarf_Die *vr_die, const char *varname,
return -ENOENT;
}
/* Verify it is a data structure */
- if (dwarf_tag(&type) != DW_TAG_structure_type) {
- pr_warning("%s is not a data structure.\n", varname);
+ tag = dwarf_tag(&type);
+ if (tag != DW_TAG_structure_type && tag != DW_TAG_union_type) {
+ pr_warning("%s is not a data structure nor an union.\n",
+ varname);
return -EINVAL;
}
@@ -539,8 +541,9 @@ static int convert_variable_fields(Dwarf_Die *vr_die, const char *varname,
*ref_ptr = ref;
} else {
/* Verify it is a data structure */
- if (tag != DW_TAG_structure_type) {
- pr_warning("%s is not a data structure.\n", varname);
+ if (tag != DW_TAG_structure_type && tag != DW_TAG_union_type) {
+ pr_warning("%s is not a data structure nor an union.\n",
+ varname);
return -EINVAL;
}
if (field->name[0] == '[') {
@@ -567,10 +570,15 @@ static int convert_variable_fields(Dwarf_Die *vr_die, const char *varname,
}
/* Get the offset of the field */
- ret = die_get_data_member_location(die_mem, &offs);
- if (ret < 0) {
- pr_warning("Failed to get the offset of %s.\n", field->name);
- return ret;
+ if (tag == DW_TAG_union_type) {
+ offs = 0;
+ } else {
+ ret = die_get_data_member_location(die_mem, &offs);
+ if (ret < 0) {
+ pr_warning("Failed to get the offset of %s.\n",
+ field->name);
+ return ret;
+ }
}
ref->offset += (long)offs;
@@ -1419,7 +1427,7 @@ static int line_range_add_line(const char *src, unsigned int lineno,
}
static int line_range_walk_cb(const char *fname, int lineno,
- Dwarf_Addr addr __used,
+ Dwarf_Addr addr __maybe_unused,
void *data)
{
struct line_finder *lf = data;
diff --git a/tools/perf/util/python-ext-sources b/tools/perf/util/python-ext-sources
index 213362850abd..c40c2d33199e 100644
--- a/tools/perf/util/python-ext-sources
+++ b/tools/perf/util/python-ext-sources
@@ -1,5 +1,5 @@
#
-# List of files needed by perf python extention
+# List of files needed by perf python extension
#
# Each source file must be placed on its own line so that it can be
# processed by Makefile and util/setup.py accordingly.
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 0688bfb6d280..9181bf212fb9 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -627,7 +627,7 @@ static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel,
* This will group just the fds for this single evsel, to group
* multiple events, use evlist.open().
*/
- if (perf_evsel__open(evsel, cpus, threads, group, NULL) < 0) {
+ if (perf_evsel__open(evsel, cpus, threads) < 0) {
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
@@ -672,7 +672,7 @@ struct pyrf_evlist {
};
static int pyrf_evlist__init(struct pyrf_evlist *pevlist,
- PyObject *args, PyObject *kwargs __used)
+ PyObject *args, PyObject *kwargs __maybe_unused)
{
PyObject *pcpus = NULL, *pthreads = NULL;
struct cpu_map *cpus;
@@ -733,7 +733,8 @@ static PyObject *pyrf_evlist__poll(struct pyrf_evlist *pevlist,
}
static PyObject *pyrf_evlist__get_pollfd(struct pyrf_evlist *pevlist,
- PyObject *args __used, PyObject *kwargs __used)
+ PyObject *args __maybe_unused,
+ PyObject *kwargs __maybe_unused)
{
struct perf_evlist *evlist = &pevlist->evlist;
PyObject *list = PyList_New(0);
@@ -765,7 +766,8 @@ free_list:
static PyObject *pyrf_evlist__add(struct pyrf_evlist *pevlist,
- PyObject *args, PyObject *kwargs __used)
+ PyObject *args,
+ PyObject *kwargs __maybe_unused)
{
struct perf_evlist *evlist = &pevlist->evlist;
PyObject *pevsel;
@@ -803,7 +805,7 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
if (pyevent == NULL)
return PyErr_NoMemory();
- err = perf_evlist__parse_sample(evlist, event, &pevent->sample, false);
+ err = perf_evlist__parse_sample(evlist, event, &pevent->sample);
if (err)
return PyErr_Format(PyExc_OSError,
"perf: can't parse sample, err=%d", err);
@@ -824,7 +826,10 @@ static PyObject *pyrf_evlist__open(struct pyrf_evlist *pevlist,
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist, &group))
return NULL;
- if (perf_evlist__open(evlist, group) < 0) {
+ if (group)
+ perf_evlist__set_leader(evlist);
+
+ if (perf_evlist__open(evlist) < 0) {
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c
index 02dfa19a467f..f80605eb1855 100644
--- a/tools/perf/util/scripting-engines/trace-event-perl.c
+++ b/tools/perf/util/scripting-engines/trace-event-perl.c
@@ -25,16 +25,16 @@
#include <ctype.h>
#include <errno.h>
-#include "../../perf.h"
#include "../util.h"
+#include <EXTERN.h>
+#include <perl.h>
+
+#include "../../perf.h"
#include "../thread.h"
#include "../event.h"
#include "../trace-event.h"
#include "../evsel.h"
-#include <EXTERN.h>
-#include <perl.h>
-
void boot_Perf__Trace__Context(pTHX_ CV *cv);
void boot_DynaLoader(pTHX_ CV *cv);
typedef PerlInterpreter * INTERP;
@@ -237,16 +237,16 @@ static void define_event_symbols(struct event_format *event,
define_event_symbols(event, ev_name, args->next);
}
-static inline
-struct event_format *find_cache_event(struct pevent *pevent, int type)
+static inline struct event_format *find_cache_event(struct perf_evsel *evsel)
{
static char ev_name[256];
struct event_format *event;
+ int type = evsel->attr.config;
if (events[type])
return events[type];
- events[type] = event = pevent_find_event(pevent, type);
+ events[type] = event = evsel->tp_format;
if (!event)
return NULL;
@@ -257,23 +257,22 @@ struct event_format *find_cache_event(struct pevent *pevent, int type)
return event;
}
-static void perl_process_tracepoint(union perf_event *perf_event __unused,
- struct pevent *pevent,
+static void perl_process_tracepoint(union perf_event *perf_event __maybe_unused,
struct perf_sample *sample,
struct perf_evsel *evsel,
- struct machine *machine __unused,
- struct thread *thread)
+ struct machine *machine __maybe_unused,
+ struct addr_location *al)
{
struct format_field *field;
static char handler[256];
unsigned long long val;
unsigned long s, ns;
struct event_format *event;
- int type;
int pid;
int cpu = sample->cpu;
void *data = sample->raw_data;
unsigned long long nsecs = sample->time;
+ struct thread *thread = al->thread;
char *comm = thread->comm;
dSP;
@@ -281,13 +280,11 @@ static void perl_process_tracepoint(union perf_event *perf_event __unused,
if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
return;
- type = trace_parse_common_type(pevent, data);
-
- event = find_cache_event(pevent, type);
+ event = find_cache_event(evsel);
if (!event)
- die("ug! no event found for type %d", type);
+ die("ug! no event found for type %" PRIu64, evsel->attr.config);
- pid = trace_parse_common_pid(pevent, data);
+ pid = raw_field_value(event, "common_pid", data);
sprintf(handler, "%s::%s", event->system, event->name);
@@ -320,7 +317,7 @@ static void perl_process_tracepoint(union perf_event *perf_event __unused,
offset = field->offset;
XPUSHs(sv_2mortal(newSVpv((char *)data + offset, 0)));
} else { /* FIELD_IS_NUMERIC */
- val = read_size(pevent, data + field->offset,
+ val = read_size(event, data + field->offset,
field->size);
if (field->flags & FIELD_IS_SIGNED) {
XPUSHs(sv_2mortal(newSViv(val)));
@@ -349,11 +346,11 @@ static void perl_process_tracepoint(union perf_event *perf_event __unused,
LEAVE;
}
-static void perl_process_event_generic(union perf_event *pevent __unused,
+static void perl_process_event_generic(union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel __unused,
- struct machine *machine __unused,
- struct thread *thread __unused)
+ struct perf_evsel *evsel,
+ struct machine *machine __maybe_unused,
+ struct addr_location *al __maybe_unused)
{
dSP;
@@ -363,7 +360,7 @@ static void perl_process_event_generic(union perf_event *pevent __unused,
ENTER;
SAVETMPS;
PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpvn((const char *)pevent, pevent->header.size)));
+ XPUSHs(sv_2mortal(newSVpvn((const char *)event, event->header.size)));
XPUSHs(sv_2mortal(newSVpvn((const char *)&evsel->attr, sizeof(evsel->attr))));
XPUSHs(sv_2mortal(newSVpvn((const char *)sample, sizeof(*sample))));
XPUSHs(sv_2mortal(newSVpvn((const char *)sample->raw_data, sample->raw_size)));
@@ -376,14 +373,13 @@ static void perl_process_event_generic(union perf_event *pevent __unused,
}
static void perl_process_event(union perf_event *event,
- struct pevent *pevent,
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine,
- struct thread *thread)
+ struct addr_location *al)
{
- perl_process_tracepoint(event, pevent, sample, evsel, machine, thread);
- perl_process_event_generic(event, sample, evsel, machine, thread);
+ perl_process_tracepoint(event, sample, evsel, machine, al);
+ perl_process_event_generic(event, sample, evsel, machine, al);
}
static void run_start_sub(void)
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index ce4d1b0c3862..730c6630cba5 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -27,10 +27,12 @@
#include <errno.h>
#include "../../perf.h"
+#include "../evsel.h"
#include "../util.h"
#include "../event.h"
#include "../thread.h"
#include "../trace-event.h"
+#include "../evsel.h"
PyMODINIT_FUNC initperf_trace_context(void);
@@ -194,16 +196,21 @@ static void define_event_symbols(struct event_format *event,
define_event_symbols(event, ev_name, args->next);
}
-static inline
-struct event_format *find_cache_event(struct pevent *pevent, int type)
+static inline struct event_format *find_cache_event(struct perf_evsel *evsel)
{
static char ev_name[256];
struct event_format *event;
+ int type = evsel->attr.config;
+ /*
+ * XXX: Do we really need to cache this since now we have evsel->tp_format
+ * cached already? Need to re-read this "cache" routine that as well calls
+ * define_event_symbols() :-\
+ */
if (events[type])
return events[type];
- events[type] = event = pevent_find_event(pevent, type);
+ events[type] = event = evsel->tp_format;
if (!event)
return NULL;
@@ -214,12 +221,12 @@ struct event_format *find_cache_event(struct pevent *pevent, int type)
return event;
}
-static void python_process_event(union perf_event *perf_event __unused,
- struct pevent *pevent,
+static void python_process_tracepoint(union perf_event *perf_event
+ __maybe_unused,
struct perf_sample *sample,
- struct perf_evsel *evsel __unused,
- struct machine *machine __unused,
- struct thread *thread)
+ struct perf_evsel *evsel,
+ struct machine *machine __maybe_unused,
+ struct addr_location *al)
{
PyObject *handler, *retval, *context, *t, *obj, *dict = NULL;
static char handler_name[256];
@@ -228,24 +235,22 @@ static void python_process_event(union perf_event *perf_event __unused,
unsigned long s, ns;
struct event_format *event;
unsigned n = 0;
- int type;
int pid;
int cpu = sample->cpu;
void *data = sample->raw_data;
unsigned long long nsecs = sample->time;
+ struct thread *thread = al->thread;
char *comm = thread->comm;
t = PyTuple_New(MAX_FIELDS);
if (!t)
Py_FatalError("couldn't create Python tuple");
- type = trace_parse_common_type(pevent, data);
-
- event = find_cache_event(pevent, type);
+ event = find_cache_event(evsel);
if (!event)
- die("ug! no event found for type %d", type);
+ die("ug! no event found for type %d", (int)evsel->attr.config);
- pid = trace_parse_common_pid(pevent, data);
+ pid = raw_field_value(event, "common_pid", data);
sprintf(handler_name, "%s__%s", event->system, event->name);
@@ -290,7 +295,7 @@ static void python_process_event(union perf_event *perf_event __unused,
offset = field->offset;
obj = PyString_FromString((char *)data + offset);
} else { /* FIELD_IS_NUMERIC */
- val = read_size(pevent, data + field->offset,
+ val = read_size(event, data + field->offset,
field->size);
if (field->flags & FIELD_IS_SIGNED) {
if ((long long)val >= LONG_MIN &&
@@ -335,6 +340,84 @@ static void python_process_event(union perf_event *perf_event __unused,
Py_DECREF(t);
}
+static void python_process_general_event(union perf_event *perf_event
+ __maybe_unused,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel,
+ struct machine *machine __maybe_unused,
+ struct addr_location *al)
+{
+ PyObject *handler, *retval, *t, *dict;
+ static char handler_name[64];
+ unsigned n = 0;
+ struct thread *thread = al->thread;
+
+ /*
+ * Use the MAX_FIELDS to make the function expandable, though
+ * currently there is only one item for the tuple.
+ */
+ t = PyTuple_New(MAX_FIELDS);
+ if (!t)
+ Py_FatalError("couldn't create Python tuple");
+
+ dict = PyDict_New();
+ if (!dict)
+ Py_FatalError("couldn't create Python dictionary");
+
+ snprintf(handler_name, sizeof(handler_name), "%s", "process_event");
+
+ handler = PyDict_GetItemString(main_dict, handler_name);
+ if (!handler || !PyCallable_Check(handler))
+ goto exit;
+
+ PyDict_SetItemString(dict, "ev_name", PyString_FromString(perf_evsel__name(evsel)));
+ PyDict_SetItemString(dict, "attr", PyString_FromStringAndSize(
+ (const char *)&evsel->attr, sizeof(evsel->attr)));
+ PyDict_SetItemString(dict, "sample", PyString_FromStringAndSize(
+ (const char *)sample, sizeof(*sample)));
+ PyDict_SetItemString(dict, "raw_buf", PyString_FromStringAndSize(
+ (const char *)sample->raw_data, sample->raw_size));
+ PyDict_SetItemString(dict, "comm",
+ PyString_FromString(thread->comm));
+ if (al->map) {
+ PyDict_SetItemString(dict, "dso",
+ PyString_FromString(al->map->dso->name));
+ }
+ if (al->sym) {
+ PyDict_SetItemString(dict, "symbol",
+ PyString_FromString(al->sym->name));
+ }
+
+ PyTuple_SetItem(t, n++, dict);
+ if (_PyTuple_Resize(&t, n) == -1)
+ Py_FatalError("error resizing Python tuple");
+
+ retval = PyObject_CallObject(handler, t);
+ if (retval == NULL)
+ handler_call_die(handler_name);
+exit:
+ Py_DECREF(dict);
+ Py_DECREF(t);
+}
+
+static void python_process_event(union perf_event *perf_event,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel,
+ struct machine *machine,
+ struct addr_location *al)
+{
+ switch (evsel->attr.type) {
+ case PERF_TYPE_TRACEPOINT:
+ python_process_tracepoint(perf_event, sample, evsel,
+ machine, al);
+ break;
+ /* Reserve for future process_hw/sw/raw APIs */
+ default:
+ python_process_general_event(perf_event, sample, evsel,
+ machine, al);
+ }
+}
+
static int run_start_sub(void)
{
PyObject *handler, *retval;
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 2437fb0b463a..8cdd23239c90 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -15,6 +15,9 @@
#include "util.h"
#include "cpumap.h"
#include "event-parse.h"
+#include "perf_regs.h"
+#include "unwind.h"
+#include "vdso.h"
static int perf_session__open(struct perf_session *self, bool force)
{
@@ -209,6 +212,7 @@ void perf_session__delete(struct perf_session *self)
machine__exit(&self->host_machine);
close(self->fd);
free(self);
+ vdso__exit();
}
void machine__remove_thread(struct machine *self, struct thread *th)
@@ -288,10 +292,11 @@ struct branch_info *machine__resolve_bstack(struct machine *self,
return bi;
}
-int machine__resolve_callchain(struct machine *self,
- struct thread *thread,
- struct ip_callchain *chain,
- struct symbol **parent)
+static int machine__resolve_callchain_sample(struct machine *machine,
+ struct thread *thread,
+ struct ip_callchain *chain,
+ struct symbol **parent)
+
{
u8 cpumode = PERF_RECORD_MISC_USER;
unsigned int i;
@@ -316,11 +321,14 @@ int machine__resolve_callchain(struct machine *self,
if (ip >= PERF_CONTEXT_MAX) {
switch (ip) {
case PERF_CONTEXT_HV:
- cpumode = PERF_RECORD_MISC_HYPERVISOR; break;
+ cpumode = PERF_RECORD_MISC_HYPERVISOR;
+ break;
case PERF_CONTEXT_KERNEL:
- cpumode = PERF_RECORD_MISC_KERNEL; break;
+ cpumode = PERF_RECORD_MISC_KERNEL;
+ break;
case PERF_CONTEXT_USER:
- cpumode = PERF_RECORD_MISC_USER; break;
+ cpumode = PERF_RECORD_MISC_USER;
+ break;
default:
pr_debug("invalid callchain context: "
"%"PRId64"\n", (s64) ip);
@@ -335,7 +343,7 @@ int machine__resolve_callchain(struct machine *self,
}
al.filtered = false;
- thread__find_addr_location(thread, self, cpumode,
+ thread__find_addr_location(thread, machine, cpumode,
MAP__FUNCTION, ip, &al, NULL);
if (al.sym != NULL) {
if (sort__has_parent && !*parent &&
@@ -354,49 +362,92 @@ int machine__resolve_callchain(struct machine *self,
return 0;
}
-static int process_event_synth_tracing_data_stub(union perf_event *event __used,
- struct perf_session *session __used)
+static int unwind_entry(struct unwind_entry *entry, void *arg)
+{
+ struct callchain_cursor *cursor = arg;
+ return callchain_cursor_append(cursor, entry->ip,
+ entry->map, entry->sym);
+}
+
+int machine__resolve_callchain(struct machine *machine,
+ struct perf_evsel *evsel,
+ struct thread *thread,
+ struct perf_sample *sample,
+ struct symbol **parent)
+
+{
+ int ret;
+
+ callchain_cursor_reset(&callchain_cursor);
+
+ ret = machine__resolve_callchain_sample(machine, thread,
+ sample->callchain, parent);
+ if (ret)
+ return ret;
+
+ /* Can we do dwarf post unwind? */
+ if (!((evsel->attr.sample_type & PERF_SAMPLE_REGS_USER) &&
+ (evsel->attr.sample_type & PERF_SAMPLE_STACK_USER)))
+ return 0;
+
+ /* Bail out if nothing was captured. */
+ if ((!sample->user_regs.regs) ||
+ (!sample->user_stack.size))
+ return 0;
+
+ return unwind__get_entries(unwind_entry, &callchain_cursor, machine,
+ thread, evsel->attr.sample_regs_user,
+ sample);
+
+}
+
+static int process_event_synth_tracing_data_stub(union perf_event *event
+ __maybe_unused,
+ struct perf_session *session
+ __maybe_unused)
{
dump_printf(": unhandled!\n");
return 0;
}
-static int process_event_synth_attr_stub(union perf_event *event __used,
- struct perf_evlist **pevlist __used)
+static int process_event_synth_attr_stub(union perf_event *event __maybe_unused,
+ struct perf_evlist **pevlist
+ __maybe_unused)
{
dump_printf(": unhandled!\n");
return 0;
}
-static int process_event_sample_stub(struct perf_tool *tool __used,
- union perf_event *event __used,
- struct perf_sample *sample __used,
- struct perf_evsel *evsel __used,
- struct machine *machine __used)
+static int process_event_sample_stub(struct perf_tool *tool __maybe_unused,
+ union perf_event *event __maybe_unused,
+ struct perf_sample *sample __maybe_unused,
+ struct perf_evsel *evsel __maybe_unused,
+ struct machine *machine __maybe_unused)
{
dump_printf(": unhandled!\n");
return 0;
}
-static int process_event_stub(struct perf_tool *tool __used,
- union perf_event *event __used,
- struct perf_sample *sample __used,
- struct machine *machine __used)
+static int process_event_stub(struct perf_tool *tool __maybe_unused,
+ union perf_event *event __maybe_unused,
+ struct perf_sample *sample __maybe_unused,
+ struct machine *machine __maybe_unused)
{
dump_printf(": unhandled!\n");
return 0;
}
-static int process_finished_round_stub(struct perf_tool *tool __used,
- union perf_event *event __used,
- struct perf_session *perf_session __used)
+static int process_finished_round_stub(struct perf_tool *tool __maybe_unused,
+ union perf_event *event __maybe_unused,
+ struct perf_session *perf_session
+ __maybe_unused)
{
dump_printf(": unhandled!\n");
return 0;
}
-static int process_event_type_stub(struct perf_tool *tool __used,
- union perf_event *event __used)
+static int process_event_type_stub(struct perf_tool *tool __maybe_unused,
+ union perf_event *event __maybe_unused)
{
dump_printf(": unhandled!\n");
return 0;
@@ -473,7 +524,7 @@ static void swap_sample_id_all(union perf_event *event, void *data)
}
static void perf_event__all64_swap(union perf_event *event,
- bool sample_id_all __used)
+ bool sample_id_all __maybe_unused)
{
struct perf_event_header *hdr = &event->header;
mem_bswap_64(hdr + 1, event->header.size - sizeof(*hdr));
@@ -487,7 +538,7 @@ static void perf_event__comm_swap(union perf_event *event, bool sample_id_all)
if (sample_id_all) {
void *data = &event->comm.comm;
- data += ALIGN(strlen(data) + 1, sizeof(u64));
+ data += PERF_ALIGN(strlen(data) + 1, sizeof(u64));
swap_sample_id_all(event, data);
}
}
@@ -504,7 +555,7 @@ static void perf_event__mmap_swap(union perf_event *event,
if (sample_id_all) {
void *data = &event->mmap.filename;
- data += ALIGN(strlen(data) + 1, sizeof(u64));
+ data += PERF_ALIGN(strlen(data) + 1, sizeof(u64));
swap_sample_id_all(event, data);
}
}
@@ -584,7 +635,7 @@ void perf_event__attr_swap(struct perf_event_attr *attr)
}
static void perf_event__hdr_attr_swap(union perf_event *event,
- bool sample_id_all __used)
+ bool sample_id_all __maybe_unused)
{
size_t size;
@@ -596,14 +647,14 @@ static void perf_event__hdr_attr_swap(union perf_event *event,
}
static void perf_event__event_type_swap(union perf_event *event,
- bool sample_id_all __used)
+ bool sample_id_all __maybe_unused)
{
event->event_type.event_type.event_id =
bswap_64(event->event_type.event_type.event_id);
}
static void perf_event__tracing_data_swap(union perf_event *event,
- bool sample_id_all __used)
+ bool sample_id_all __maybe_unused)
{
event->tracing_data.size = bswap_32(event->tracing_data.size);
}
@@ -652,7 +703,7 @@ static int perf_session_deliver_event(struct perf_session *session,
struct perf_tool *tool,
u64 file_offset);
-static void flush_sample_queue(struct perf_session *s,
+static int flush_sample_queue(struct perf_session *s,
struct perf_tool *tool)
{
struct ordered_samples *os = &s->ordered_samples;
@@ -665,19 +716,21 @@ static void flush_sample_queue(struct perf_session *s,
int ret;
if (!tool->ordered_samples || !limit)
- return;
+ return 0;
list_for_each_entry_safe(iter, tmp, head, list) {
if (iter->timestamp > limit)
break;
- ret = perf_evlist__parse_sample(s->evlist, iter->event, &sample,
- s->header.needs_swap);
+ ret = perf_evlist__parse_sample(s->evlist, iter->event, &sample);
if (ret)
pr_err("Can't parse sample, err = %d\n", ret);
- else
- perf_session_deliver_event(s, iter->event, &sample, tool,
- iter->file_offset);
+ else {
+ ret = perf_session_deliver_event(s, iter->event, &sample, tool,
+ iter->file_offset);
+ if (ret)
+ return ret;
+ }
os->last_flush = iter->timestamp;
list_del(&iter->list);
@@ -697,6 +750,8 @@ static void flush_sample_queue(struct perf_session *s,
}
os->nr_samples = 0;
+
+ return 0;
}
/*
@@ -739,13 +794,14 @@ static void flush_sample_queue(struct perf_session *s,
* etc...
*/
static int process_finished_round(struct perf_tool *tool,
- union perf_event *event __used,
+ union perf_event *event __maybe_unused,
struct perf_session *session)
{
- flush_sample_queue(session, tool);
- session->ordered_samples.next_flush = session->ordered_samples.max_timestamp;
+ int ret = flush_sample_queue(session, tool);
+ if (!ret)
+ session->ordered_samples.next_flush = session->ordered_samples.max_timestamp;
- return 0;
+ return ret;
}
/* The queue is ordered by time */
@@ -860,6 +916,34 @@ static void branch_stack__printf(struct perf_sample *sample)
sample->branch_stack->entries[i].to);
}
+static void regs_dump__printf(u64 mask, u64 *regs)
+{
+ unsigned rid, i = 0;
+
+ for_each_set_bit(rid, (unsigned long *) &mask, sizeof(mask) * 8) {
+ u64 val = regs[i++];
+
+ printf(".... %-5s 0x%" PRIx64 "\n",
+ perf_reg_name(rid), val);
+ }
+}
+
+static void regs_user__printf(struct perf_sample *sample, u64 mask)
+{
+ struct regs_dump *user_regs = &sample->user_regs;
+
+ if (user_regs->regs) {
+ printf("... user regs: mask 0x%" PRIx64 "\n", mask);
+ regs_dump__printf(mask, user_regs->regs);
+ }
+}
+
+static void stack_user__printf(struct stack_dump *dump)
+{
+ printf("... ustack: size %" PRIu64 ", offset 0x%x\n",
+ dump->size, dump->offset);
+}
+
static void perf_session__print_tstamp(struct perf_session *session,
union perf_event *event,
struct perf_sample *sample)
@@ -897,7 +981,7 @@ static void dump_event(struct perf_session *session, union perf_event *event,
event->header.size, perf_event__name(event->header.type));
}
-static void dump_sample(struct perf_session *session, union perf_event *event,
+static void dump_sample(struct perf_evsel *evsel, union perf_event *event,
struct perf_sample *sample)
{
u64 sample_type;
@@ -909,13 +993,19 @@ static void dump_sample(struct perf_session *session, union perf_event *event,
event->header.misc, sample->pid, sample->tid, sample->ip,
sample->period, sample->addr);
- sample_type = perf_evlist__sample_type(session->evlist);
+ sample_type = evsel->attr.sample_type;
if (sample_type & PERF_SAMPLE_CALLCHAIN)
callchain__printf(sample);
if (sample_type & PERF_SAMPLE_BRANCH_STACK)
branch_stack__printf(sample);
+
+ if (sample_type & PERF_SAMPLE_REGS_USER)
+ regs_user__printf(sample, evsel->attr.sample_regs_user);
+
+ if (sample_type & PERF_SAMPLE_STACK_USER)
+ stack_user__printf(&sample->user_stack);
}
static struct machine *
@@ -973,7 +1063,7 @@ static int perf_session_deliver_event(struct perf_session *session,
switch (event->header.type) {
case PERF_RECORD_SAMPLE:
- dump_sample(session, event, sample);
+ dump_sample(evsel, event, sample);
if (evsel == NULL) {
++session->hists.stats.nr_unknown_id;
return 0;
@@ -1083,8 +1173,7 @@ static int perf_session__process_event(struct perf_session *session,
/*
* For all kernel events we get the sample data
*/
- ret = perf_evlist__parse_sample(session->evlist, event, &sample,
- session->header.needs_swap);
+ ret = perf_evlist__parse_sample(session->evlist, event, &sample);
if (ret)
return ret;
@@ -1369,7 +1458,7 @@ more:
err = 0;
/* do the final flush for ordered samples */
session->ordered_samples.next_flush = ULLONG_MAX;
- flush_sample_queue(session, tool);
+ err = flush_sample_queue(session, tool);
out_err:
perf_session__warn_about_errors(session, tool);
perf_session_free_sample_buffers(session);
@@ -1498,9 +1587,9 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
return NULL;
}
-void perf_event__print_ip(union perf_event *event, struct perf_sample *sample,
- struct machine *machine, int print_sym,
- int print_dso, int print_symoffset)
+void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
+ struct perf_sample *sample, struct machine *machine,
+ int print_sym, int print_dso, int print_symoffset)
{
struct addr_location al;
struct callchain_cursor_node *node;
@@ -1514,8 +1603,9 @@ void perf_event__print_ip(union perf_event *event, struct perf_sample *sample,
if (symbol_conf.use_callchain && sample->callchain) {
- if (machine__resolve_callchain(machine, al.thread,
- sample->callchain, NULL) != 0) {
+
+ if (machine__resolve_callchain(machine, evsel, al.thread,
+ sample, NULL) != 0) {
if (verbose)
error("Failed to resolve callchain. Skipping\n");
return;
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 1f7ec87db7d7..aab414fbb64b 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -36,9 +36,7 @@ struct perf_session {
struct pevent *pevent;
/*
* FIXME: Need to split this up further, we need global
- * stats + per event stats. 'perf diff' also needs
- * to properly support multiple events in a single
- * perf.data file.
+ * stats + per event stats.
*/
struct hists hists;
int fd;
@@ -129,9 +127,9 @@ size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
unsigned int type);
-void perf_event__print_ip(union perf_event *event, struct perf_sample *sample,
- struct machine *machine, int print_sym,
- int print_dso, int print_symoffset);
+void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
+ struct perf_sample *sample, struct machine *machine,
+ int print_sym, int print_dso, int print_symoffset);
int perf_session__cpu_bitmap(struct perf_session *session,
const char *cpu_list, unsigned long *cpu_bitmap);
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 0f5a0a496bc4..b5b1b9211960 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -8,12 +8,11 @@ const char default_sort_order[] = "comm,dso,symbol";
const char *sort_order = default_sort_order;
int sort__need_collapse = 0;
int sort__has_parent = 0;
+int sort__has_sym = 0;
int sort__branch_mode = -1; /* -1 = means not set */
enum sort_type sort__first_dimension;
-char * field_sep;
-
LIST_HEAD(hist_entry__sort_list);
static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
@@ -23,11 +22,11 @@ static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
va_start(ap, fmt);
n = vsnprintf(bf, size, fmt, ap);
- if (field_sep && n > 0) {
+ if (symbol_conf.field_sep && n > 0) {
char *sep = bf;
while (1) {
- sep = strchr(sep, *field_sep);
+ sep = strchr(sep, *symbol_conf.field_sep);
if (sep == NULL)
break;
*sep = '.';
@@ -172,7 +171,7 @@ static int hist_entry__dso_snprintf(struct hist_entry *self, char *bf,
static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym,
u64 ip, char level, char *bf, size_t size,
- unsigned int width __used)
+ unsigned int width __maybe_unused)
{
size_t ret = 0;
@@ -207,7 +206,8 @@ struct sort_entry sort_dso = {
};
static int hist_entry__sym_snprintf(struct hist_entry *self, char *bf,
- size_t size, unsigned int width __used)
+ size_t size,
+ unsigned int width __maybe_unused)
{
return _hist_entry__sym_snprintf(self->ms.map, self->ms.sym, self->ip,
self->level, bf, size, width);
@@ -250,7 +250,8 @@ sort__srcline_cmp(struct hist_entry *left, struct hist_entry *right)
}
static int hist_entry__srcline_snprintf(struct hist_entry *self, char *bf,
- size_t size, unsigned int width __used)
+ size_t size,
+ unsigned int width __maybe_unused)
{
FILE *fp;
char cmd[PATH_MAX + 2], *path = self->srcline, *nl;
@@ -399,7 +400,8 @@ sort__sym_to_cmp(struct hist_entry *left, struct hist_entry *right)
}
static int hist_entry__sym_from_snprintf(struct hist_entry *self, char *bf,
- size_t size, unsigned int width __used)
+ size_t size,
+ unsigned int width __maybe_unused)
{
struct addr_map_symbol *from = &self->branch_info->from;
return _hist_entry__sym_snprintf(from->map, from->sym, from->addr,
@@ -408,7 +410,8 @@ static int hist_entry__sym_from_snprintf(struct hist_entry *self, char *bf,
}
static int hist_entry__sym_to_snprintf(struct hist_entry *self, char *bf,
- size_t size, unsigned int width __used)
+ size_t size,
+ unsigned int width __maybe_unused)
{
struct addr_map_symbol *to = &self->branch_info->to;
return _hist_entry__sym_snprintf(to->map, to->sym, to->addr,
@@ -509,6 +512,10 @@ int sort_dimension__add(const char *tok)
return -EINVAL;
}
sort__has_parent = 1;
+ } else if (sd->entry == &sort_sym ||
+ sd->entry == &sort_sym_from ||
+ sd->entry == &sort_sym_to) {
+ sort__has_sym = 1;
}
if (sd->taken)
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index e724b26acd51..12d634792de5 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -31,8 +31,8 @@ extern const char *parent_pattern;
extern const char default_sort_order[];
extern int sort__need_collapse;
extern int sort__has_parent;
+extern int sort__has_sym;
extern int sort__branch_mode;
-extern char *field_sep;
extern struct sort_entry sort_comm;
extern struct sort_entry sort_dso;
extern struct sort_entry sort_sym;
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
new file mode 100644
index 000000000000..23742126f47c
--- /dev/null
+++ b/tools/perf/util/stat.c
@@ -0,0 +1,57 @@
+#include <math.h>
+
+#include "stat.h"
+
+void update_stats(struct stats *stats, u64 val)
+{
+ double delta;
+
+ stats->n++;
+ delta = val - stats->mean;
+ stats->mean += delta / stats->n;
+ stats->M2 += delta*(val - stats->mean);
+}
+
+double avg_stats(struct stats *stats)
+{
+ return stats->mean;
+}
+
+/*
+ * http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
+ *
+ * (\Sum n_i^2) - ((\Sum n_i)^2)/n
+ * s^2 = -------------------------------
+ * n - 1
+ *
+ * http://en.wikipedia.org/wiki/Stddev
+ *
+ * The std dev of the mean is related to the std dev by:
+ *
+ * s
+ * s_mean = -------
+ * sqrt(n)
+ *
+ */
+double stddev_stats(struct stats *stats)
+{
+ double variance, variance_mean;
+
+ if (!stats->n)
+ return 0.0;
+
+ variance = stats->M2 / (stats->n - 1);
+ variance_mean = variance / stats->n;
+
+ return sqrt(variance_mean);
+}
+
+double rel_stddev_stats(double stddev, double avg)
+{
+ double pct = 0.0;
+
+ if (avg)
+ pct = 100.0 * stddev/avg;
+
+ return pct;
+}
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
new file mode 100644
index 000000000000..588367c3c767
--- /dev/null
+++ b/tools/perf/util/stat.h
@@ -0,0 +1,16 @@
+#ifndef __PERF_STATS_H
+#define __PERF_STATS_H
+
+#include "types.h"
+
+struct stats
+{
+ double n, mean, M2;
+};
+
+void update_stats(struct stats *stats, u64 val);
+double avg_stats(struct stats *stats);
+double stddev_stats(struct stats *stats);
+double rel_stddev_stats(double stddev, double avg);
+
+#endif
diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c
index 199bc4d8905d..32170590892d 100644
--- a/tools/perf/util/string.c
+++ b/tools/perf/util/string.c
@@ -1,5 +1,5 @@
#include "util.h"
-#include "string.h"
+#include "linux/string.h"
#define K 1024LL
/*
@@ -335,3 +335,19 @@ char *rtrim(char *s)
return s;
}
+
+/**
+ * memdup - duplicate region of memory
+ * @src: memory region to duplicate
+ * @len: memory region length
+ */
+void *memdup(const void *src, size_t len)
+{
+ void *p;
+
+ p = malloc(len);
+ if (p)
+ memcpy(p, src, len);
+
+ return p;
+}
diff --git a/tools/perf/util/strlist.c b/tools/perf/util/strlist.c
index 95856ff3dda4..155d8b7078a7 100644
--- a/tools/perf/util/strlist.c
+++ b/tools/perf/util/strlist.c
@@ -93,7 +93,7 @@ out:
void strlist__remove(struct strlist *slist, struct str_node *snode)
{
- str_node__delete(snode, slist->dupstr);
+ rblist__remove_node(&slist->rblist, &snode->rb_node);
}
struct str_node *strlist__find(struct strlist *slist, const char *entry)
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
new file mode 100644
index 000000000000..db0cc92cf2ea
--- /dev/null
+++ b/tools/perf/util/symbol-elf.c
@@ -0,0 +1,841 @@
+#include <libelf.h>
+#include <gelf.h>
+#include <elf.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <inttypes.h>
+
+#include "symbol.h"
+#include "debug.h"
+
+#ifndef NT_GNU_BUILD_ID
+#define NT_GNU_BUILD_ID 3
+#endif
+
+/**
+ * elf_symtab__for_each_symbol - iterate thru all the symbols
+ *
+ * @syms: struct elf_symtab instance to iterate
+ * @idx: uint32_t idx
+ * @sym: GElf_Sym iterator
+ */
+#define elf_symtab__for_each_symbol(syms, nr_syms, idx, sym) \
+ for (idx = 0, gelf_getsym(syms, idx, &sym);\
+ idx < nr_syms; \
+ idx++, gelf_getsym(syms, idx, &sym))
+
+static inline uint8_t elf_sym__type(const GElf_Sym *sym)
+{
+ return GELF_ST_TYPE(sym->st_info);
+}
+
+static inline int elf_sym__is_function(const GElf_Sym *sym)
+{
+ return elf_sym__type(sym) == STT_FUNC &&
+ sym->st_name != 0 &&
+ sym->st_shndx != SHN_UNDEF;
+}
+
+static inline bool elf_sym__is_object(const GElf_Sym *sym)
+{
+ return elf_sym__type(sym) == STT_OBJECT &&
+ sym->st_name != 0 &&
+ sym->st_shndx != SHN_UNDEF;
+}
+
+static inline int elf_sym__is_label(const GElf_Sym *sym)
+{
+ return elf_sym__type(sym) == STT_NOTYPE &&
+ sym->st_name != 0 &&
+ sym->st_shndx != SHN_UNDEF &&
+ sym->st_shndx != SHN_ABS;
+}
+
+static bool elf_sym__is_a(GElf_Sym *sym, enum map_type type)
+{
+ switch (type) {
+ case MAP__FUNCTION:
+ return elf_sym__is_function(sym);
+ case MAP__VARIABLE:
+ return elf_sym__is_object(sym);
+ default:
+ return false;
+ }
+}
+
+static inline const char *elf_sym__name(const GElf_Sym *sym,
+ const Elf_Data *symstrs)
+{
+ return symstrs->d_buf + sym->st_name;
+}
+
+static inline const char *elf_sec__name(const GElf_Shdr *shdr,
+ const Elf_Data *secstrs)
+{
+ return secstrs->d_buf + shdr->sh_name;
+}
+
+static inline int elf_sec__is_text(const GElf_Shdr *shdr,
+ const Elf_Data *secstrs)
+{
+ return strstr(elf_sec__name(shdr, secstrs), "text") != NULL;
+}
+
+static inline bool elf_sec__is_data(const GElf_Shdr *shdr,
+ const Elf_Data *secstrs)
+{
+ return strstr(elf_sec__name(shdr, secstrs), "data") != NULL;
+}
+
+static bool elf_sec__is_a(GElf_Shdr *shdr, Elf_Data *secstrs,
+ enum map_type type)
+{
+ switch (type) {
+ case MAP__FUNCTION:
+ return elf_sec__is_text(shdr, secstrs);
+ case MAP__VARIABLE:
+ return elf_sec__is_data(shdr, secstrs);
+ default:
+ return false;
+ }
+}
+
+static size_t elf_addr_to_index(Elf *elf, GElf_Addr addr)
+{
+ Elf_Scn *sec = NULL;
+ GElf_Shdr shdr;
+ size_t cnt = 1;
+
+ while ((sec = elf_nextscn(elf, sec)) != NULL) {
+ gelf_getshdr(sec, &shdr);
+
+ if ((addr >= shdr.sh_addr) &&
+ (addr < (shdr.sh_addr + shdr.sh_size)))
+ return cnt;
+
+ ++cnt;
+ }
+
+ return -1;
+}
+
+static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,
+ GElf_Shdr *shp, const char *name,
+ size_t *idx)
+{
+ Elf_Scn *sec = NULL;
+ size_t cnt = 1;
+
+ /* Elf is corrupted/truncated, avoid calling elf_strptr. */
+ if (!elf_rawdata(elf_getscn(elf, ep->e_shstrndx), NULL))
+ return NULL;
+
+ while ((sec = elf_nextscn(elf, sec)) != NULL) {
+ char *str;
+
+ gelf_getshdr(sec, shp);
+ str = elf_strptr(elf, ep->e_shstrndx, shp->sh_name);
+ if (!strcmp(name, str)) {
+ if (idx)
+ *idx = cnt;
+ break;
+ }
+ ++cnt;
+ }
+
+ return sec;
+}
+
+#define elf_section__for_each_rel(reldata, pos, pos_mem, idx, nr_entries) \
+ for (idx = 0, pos = gelf_getrel(reldata, 0, &pos_mem); \
+ idx < nr_entries; \
+ ++idx, pos = gelf_getrel(reldata, idx, &pos_mem))
+
+#define elf_section__for_each_rela(reldata, pos, pos_mem, idx, nr_entries) \
+ for (idx = 0, pos = gelf_getrela(reldata, 0, &pos_mem); \
+ idx < nr_entries; \
+ ++idx, pos = gelf_getrela(reldata, idx, &pos_mem))
+
+/*
+ * We need to check if we have a .dynsym, so that we can handle the
+ * .plt, synthesizing its symbols, that aren't on the symtabs (be it
+ * .dynsym or .symtab).
+ * And always look at the original dso, not at debuginfo packages, that
+ * have the PLT data stripped out (shdr_rel_plt.sh_type == SHT_NOBITS).
+ */
+int dso__synthesize_plt_symbols(struct dso *dso, struct symsrc *ss, struct map *map,
+ symbol_filter_t filter)
+{
+ uint32_t nr_rel_entries, idx;
+ GElf_Sym sym;
+ u64 plt_offset;
+ GElf_Shdr shdr_plt;
+ struct symbol *f;
+ GElf_Shdr shdr_rel_plt, shdr_dynsym;
+ Elf_Data *reldata, *syms, *symstrs;
+ Elf_Scn *scn_plt_rel, *scn_symstrs, *scn_dynsym;
+ size_t dynsym_idx;
+ GElf_Ehdr ehdr;
+ char sympltname[1024];
+ Elf *elf;
+ int nr = 0, symidx, err = 0;
+
+ if (!ss->dynsym)
+ return 0;
+
+ elf = ss->elf;
+ ehdr = ss->ehdr;
+
+ scn_dynsym = ss->dynsym;
+ shdr_dynsym = ss->dynshdr;
+ dynsym_idx = ss->dynsym_idx;
+
+ if (scn_dynsym == NULL)
+ goto out_elf_end;
+
+ scn_plt_rel = elf_section_by_name(elf, &ehdr, &shdr_rel_plt,
+ ".rela.plt", NULL);
+ if (scn_plt_rel == NULL) {
+ scn_plt_rel = elf_section_by_name(elf, &ehdr, &shdr_rel_plt,
+ ".rel.plt", NULL);
+ if (scn_plt_rel == NULL)
+ goto out_elf_end;
+ }
+
+ err = -1;
+
+ if (shdr_rel_plt.sh_link != dynsym_idx)
+ goto out_elf_end;
+
+ if (elf_section_by_name(elf, &ehdr, &shdr_plt, ".plt", NULL) == NULL)
+ goto out_elf_end;
+
+ /*
+ * Fetch the relocation section to find the idxes to the GOT
+ * and the symbols in the .dynsym they refer to.
+ */
+ reldata = elf_getdata(scn_plt_rel, NULL);
+ if (reldata == NULL)
+ goto out_elf_end;
+
+ syms = elf_getdata(scn_dynsym, NULL);
+ if (syms == NULL)
+ goto out_elf_end;
+
+ scn_symstrs = elf_getscn(elf, shdr_dynsym.sh_link);
+ if (scn_symstrs == NULL)
+ goto out_elf_end;
+
+ symstrs = elf_getdata(scn_symstrs, NULL);
+ if (symstrs == NULL)
+ goto out_elf_end;
+
+ if (symstrs->d_size == 0)
+ goto out_elf_end;
+
+ nr_rel_entries = shdr_rel_plt.sh_size / shdr_rel_plt.sh_entsize;
+ plt_offset = shdr_plt.sh_offset;
+
+ if (shdr_rel_plt.sh_type == SHT_RELA) {
+ GElf_Rela pos_mem, *pos;
+
+ elf_section__for_each_rela(reldata, pos, pos_mem, idx,
+ nr_rel_entries) {
+ symidx = GELF_R_SYM(pos->r_info);
+ plt_offset += shdr_plt.sh_entsize;
+ gelf_getsym(syms, symidx, &sym);
+ snprintf(sympltname, sizeof(sympltname),
+ "%s@plt", elf_sym__name(&sym, symstrs));
+
+ f = symbol__new(plt_offset, shdr_plt.sh_entsize,
+ STB_GLOBAL, sympltname);
+ if (!f)
+ goto out_elf_end;
+
+ if (filter && filter(map, f))
+ symbol__delete(f);
+ else {
+ symbols__insert(&dso->symbols[map->type], f);
+ ++nr;
+ }
+ }
+ } else if (shdr_rel_plt.sh_type == SHT_REL) {
+ GElf_Rel pos_mem, *pos;
+ elf_section__for_each_rel(reldata, pos, pos_mem, idx,
+ nr_rel_entries) {
+ symidx = GELF_R_SYM(pos->r_info);
+ plt_offset += shdr_plt.sh_entsize;
+ gelf_getsym(syms, symidx, &sym);
+ snprintf(sympltname, sizeof(sympltname),
+ "%s@plt", elf_sym__name(&sym, symstrs));
+
+ f = symbol__new(plt_offset, shdr_plt.sh_entsize,
+ STB_GLOBAL, sympltname);
+ if (!f)
+ goto out_elf_end;
+
+ if (filter && filter(map, f))
+ symbol__delete(f);
+ else {
+ symbols__insert(&dso->symbols[map->type], f);
+ ++nr;
+ }
+ }
+ }
+
+ err = 0;
+out_elf_end:
+ if (err == 0)
+ return nr;
+ pr_debug("%s: problems reading %s PLT info.\n",
+ __func__, dso->long_name);
+ return 0;
+}
+
+/*
+ * Align offset to 4 bytes as needed for note name and descriptor data.
+ */
+#define NOTE_ALIGN(n) (((n) + 3) & -4U)
+
+static int elf_read_build_id(Elf *elf, void *bf, size_t size)
+{
+ int err = -1;
+ GElf_Ehdr ehdr;
+ GElf_Shdr shdr;
+ Elf_Data *data;
+ Elf_Scn *sec;
+ Elf_Kind ek;
+ void *ptr;
+
+ if (size < BUILD_ID_SIZE)
+ goto out;
+
+ ek = elf_kind(elf);
+ if (ek != ELF_K_ELF)
+ goto out;
+
+ if (gelf_getehdr(elf, &ehdr) == NULL) {
+ pr_err("%s: cannot get elf header.\n", __func__);
+ goto out;
+ }
+
+ /*
+ * Check following sections for notes:
+ * '.note.gnu.build-id'
+ * '.notes'
+ * '.note' (VDSO specific)
+ */
+ do {
+ sec = elf_section_by_name(elf, &ehdr, &shdr,
+ ".note.gnu.build-id", NULL);
+ if (sec)
+ break;
+
+ sec = elf_section_by_name(elf, &ehdr, &shdr,
+ ".notes", NULL);
+ if (sec)
+ break;
+
+ sec = elf_section_by_name(elf, &ehdr, &shdr,
+ ".note", NULL);
+ if (sec)
+ break;
+
+ return err;
+
+ } while (0);
+
+ data = elf_getdata(sec, NULL);
+ if (data == NULL)
+ goto out;
+
+ ptr = data->d_buf;
+ while (ptr < (data->d_buf + data->d_size)) {
+ GElf_Nhdr *nhdr = ptr;
+ size_t namesz = NOTE_ALIGN(nhdr->n_namesz),
+ descsz = NOTE_ALIGN(nhdr->n_descsz);
+ const char *name;
+
+ ptr += sizeof(*nhdr);
+ name = ptr;
+ ptr += namesz;
+ if (nhdr->n_type == NT_GNU_BUILD_ID &&
+ nhdr->n_namesz == sizeof("GNU")) {
+ if (memcmp(name, "GNU", sizeof("GNU")) == 0) {
+ size_t sz = min(size, descsz);
+ memcpy(bf, ptr, sz);
+ memset(bf + sz, 0, size - sz);
+ err = descsz;
+ break;
+ }
+ }
+ ptr += descsz;
+ }
+
+out:
+ return err;
+}
+
+int filename__read_build_id(const char *filename, void *bf, size_t size)
+{
+ int fd, err = -1;
+ Elf *elf;
+
+ if (size < BUILD_ID_SIZE)
+ goto out;
+
+ fd = open(filename, O_RDONLY);
+ if (fd < 0)
+ goto out;
+
+ elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);
+ if (elf == NULL) {
+ pr_debug2("%s: cannot read %s ELF file.\n", __func__, filename);
+ goto out_close;
+ }
+
+ err = elf_read_build_id(elf, bf, size);
+
+ elf_end(elf);
+out_close:
+ close(fd);
+out:
+ return err;
+}
+
+int sysfs__read_build_id(const char *filename, void *build_id, size_t size)
+{
+ int fd, err = -1;
+
+ if (size < BUILD_ID_SIZE)
+ goto out;
+
+ fd = open(filename, O_RDONLY);
+ if (fd < 0)
+ goto out;
+
+ while (1) {
+ char bf[BUFSIZ];
+ GElf_Nhdr nhdr;
+ size_t namesz, descsz;
+
+ if (read(fd, &nhdr, sizeof(nhdr)) != sizeof(nhdr))
+ break;
+
+ namesz = NOTE_ALIGN(nhdr.n_namesz);
+ descsz = NOTE_ALIGN(nhdr.n_descsz);
+ if (nhdr.n_type == NT_GNU_BUILD_ID &&
+ nhdr.n_namesz == sizeof("GNU")) {
+ if (read(fd, bf, namesz) != (ssize_t)namesz)
+ break;
+ if (memcmp(bf, "GNU", sizeof("GNU")) == 0) {
+ size_t sz = min(descsz, size);
+ if (read(fd, build_id, sz) == (ssize_t)sz) {
+ memset(build_id + sz, 0, size - sz);
+ err = 0;
+ break;
+ }
+ } else if (read(fd, bf, descsz) != (ssize_t)descsz)
+ break;
+ } else {
+ int n = namesz + descsz;
+ if (read(fd, bf, n) != n)
+ break;
+ }
+ }
+ close(fd);
+out:
+ return err;
+}
+
+int filename__read_debuglink(const char *filename, char *debuglink,
+ size_t size)
+{
+ int fd, err = -1;
+ Elf *elf;
+ GElf_Ehdr ehdr;
+ GElf_Shdr shdr;
+ Elf_Data *data;
+ Elf_Scn *sec;
+ Elf_Kind ek;
+
+ fd = open(filename, O_RDONLY);
+ if (fd < 0)
+ goto out;
+
+ elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);
+ if (elf == NULL) {
+ pr_debug2("%s: cannot read %s ELF file.\n", __func__, filename);
+ goto out_close;
+ }
+
+ ek = elf_kind(elf);
+ if (ek != ELF_K_ELF)
+ goto out_close;
+
+ if (gelf_getehdr(elf, &ehdr) == NULL) {
+ pr_err("%s: cannot get elf header.\n", __func__);
+ goto out_close;
+ }
+
+ sec = elf_section_by_name(elf, &ehdr, &shdr,
+ ".gnu_debuglink", NULL);
+ if (sec == NULL)
+ goto out_close;
+
+ data = elf_getdata(sec, NULL);
+ if (data == NULL)
+ goto out_close;
+
+ /* the start of this section is a zero-terminated string */
+ strncpy(debuglink, data->d_buf, size);
+
+ elf_end(elf);
+
+out_close:
+ close(fd);
+out:
+ return err;
+}
+
+static int dso__swap_init(struct dso *dso, unsigned char eidata)
+{
+ static unsigned int const endian = 1;
+
+ dso->needs_swap = DSO_SWAP__NO;
+
+ switch (eidata) {
+ case ELFDATA2LSB:
+ /* We are big endian, DSO is little endian. */
+ if (*(unsigned char const *)&endian != 1)
+ dso->needs_swap = DSO_SWAP__YES;
+ break;
+
+ case ELFDATA2MSB:
+ /* We are little endian, DSO is big endian. */
+ if (*(unsigned char const *)&endian != 0)
+ dso->needs_swap = DSO_SWAP__YES;
+ break;
+
+ default:
+ pr_err("unrecognized DSO data encoding %d\n", eidata);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+bool symsrc__possibly_runtime(struct symsrc *ss)
+{
+ return ss->dynsym || ss->opdsec;
+}
+
+bool symsrc__has_symtab(struct symsrc *ss)
+{
+ return ss->symtab != NULL;
+}
+
+void symsrc__destroy(struct symsrc *ss)
+{
+ free(ss->name);
+ elf_end(ss->elf);
+ close(ss->fd);
+}
+
+int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name,
+ enum dso_binary_type type)
+{
+ int err = -1;
+ GElf_Ehdr ehdr;
+ Elf *elf;
+ int fd;
+
+ fd = open(name, O_RDONLY);
+ if (fd < 0)
+ return -1;
+
+ elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);
+ if (elf == NULL) {
+ pr_debug("%s: cannot read %s ELF file.\n", __func__, name);
+ goto out_close;
+ }
+
+ if (gelf_getehdr(elf, &ehdr) == NULL) {
+ pr_debug("%s: cannot get elf header.\n", __func__);
+ goto out_elf_end;
+ }
+
+ if (dso__swap_init(dso, ehdr.e_ident[EI_DATA]))
+ goto out_elf_end;
+
+ /* Always reject images with a mismatched build-id: */
+ if (dso->has_build_id) {
+ u8 build_id[BUILD_ID_SIZE];
+
+ if (elf_read_build_id(elf, build_id, BUILD_ID_SIZE) < 0)
+ goto out_elf_end;
+
+ if (!dso__build_id_equal(dso, build_id))
+ goto out_elf_end;
+ }
+
+ ss->symtab = elf_section_by_name(elf, &ehdr, &ss->symshdr, ".symtab",
+ NULL);
+ if (ss->symshdr.sh_type != SHT_SYMTAB)
+ ss->symtab = NULL;
+
+ ss->dynsym_idx = 0;
+ ss->dynsym = elf_section_by_name(elf, &ehdr, &ss->dynshdr, ".dynsym",
+ &ss->dynsym_idx);
+ if (ss->dynshdr.sh_type != SHT_DYNSYM)
+ ss->dynsym = NULL;
+
+ ss->opdidx = 0;
+ ss->opdsec = elf_section_by_name(elf, &ehdr, &ss->opdshdr, ".opd",
+ &ss->opdidx);
+ if (ss->opdshdr.sh_type != SHT_PROGBITS)
+ ss->opdsec = NULL;
+
+ if (dso->kernel == DSO_TYPE_USER) {
+ GElf_Shdr shdr;
+ ss->adjust_symbols = (ehdr.e_type == ET_EXEC ||
+ elf_section_by_name(elf, &ehdr, &shdr,
+ ".gnu.prelink_undo",
+ NULL) != NULL);
+ } else {
+ ss->adjust_symbols = 0;
+ }
+
+ ss->name = strdup(name);
+ if (!ss->name)
+ goto out_elf_end;
+
+ ss->elf = elf;
+ ss->fd = fd;
+ ss->ehdr = ehdr;
+ ss->type = type;
+
+ return 0;
+
+out_elf_end:
+ elf_end(elf);
+out_close:
+ close(fd);
+ return err;
+}
+
+int dso__load_sym(struct dso *dso, struct map *map,
+ struct symsrc *syms_ss, struct symsrc *runtime_ss,
+ symbol_filter_t filter, int kmodule)
+{
+ struct kmap *kmap = dso->kernel ? map__kmap(map) : NULL;
+ struct map *curr_map = map;
+ struct dso *curr_dso = dso;
+ Elf_Data *symstrs, *secstrs;
+ uint32_t nr_syms;
+ int err = -1;
+ uint32_t idx;
+ GElf_Ehdr ehdr;
+ GElf_Shdr shdr;
+ Elf_Data *syms, *opddata = NULL;
+ GElf_Sym sym;
+ Elf_Scn *sec, *sec_strndx;
+ Elf *elf;
+ int nr = 0;
+
+ dso->symtab_type = syms_ss->type;
+
+ if (!syms_ss->symtab) {
+ syms_ss->symtab = syms_ss->dynsym;
+ syms_ss->symshdr = syms_ss->dynshdr;
+ }
+
+ elf = syms_ss->elf;
+ ehdr = syms_ss->ehdr;
+ sec = syms_ss->symtab;
+ shdr = syms_ss->symshdr;
+
+ if (runtime_ss->opdsec)
+ opddata = elf_rawdata(runtime_ss->opdsec, NULL);
+
+ syms = elf_getdata(sec, NULL);
+ if (syms == NULL)
+ goto out_elf_end;
+
+ sec = elf_getscn(elf, shdr.sh_link);
+ if (sec == NULL)
+ goto out_elf_end;
+
+ symstrs = elf_getdata(sec, NULL);
+ if (symstrs == NULL)
+ goto out_elf_end;
+
+ sec_strndx = elf_getscn(elf, ehdr.e_shstrndx);
+ if (sec_strndx == NULL)
+ goto out_elf_end;
+
+ secstrs = elf_getdata(sec_strndx, NULL);
+ if (secstrs == NULL)
+ goto out_elf_end;
+
+ nr_syms = shdr.sh_size / shdr.sh_entsize;
+
+ memset(&sym, 0, sizeof(sym));
+ dso->adjust_symbols = runtime_ss->adjust_symbols;
+ elf_symtab__for_each_symbol(syms, nr_syms, idx, sym) {
+ struct symbol *f;
+ const char *elf_name = elf_sym__name(&sym, symstrs);
+ char *demangled = NULL;
+ int is_label = elf_sym__is_label(&sym);
+ const char *section_name;
+ bool used_opd = false;
+
+ if (kmap && kmap->ref_reloc_sym && kmap->ref_reloc_sym->name &&
+ strcmp(elf_name, kmap->ref_reloc_sym->name) == 0)
+ kmap->ref_reloc_sym->unrelocated_addr = sym.st_value;
+
+ if (!is_label && !elf_sym__is_a(&sym, map->type))
+ continue;
+
+ /* Reject ARM ELF "mapping symbols": these aren't unique and
+ * don't identify functions, so will confuse the profile
+ * output: */
+ if (ehdr.e_machine == EM_ARM) {
+ if (!strcmp(elf_name, "$a") ||
+ !strcmp(elf_name, "$d") ||
+ !strcmp(elf_name, "$t"))
+ continue;
+ }
+
+ if (runtime_ss->opdsec && sym.st_shndx == runtime_ss->opdidx) {
+ u32 offset = sym.st_value - syms_ss->opdshdr.sh_addr;
+ u64 *opd = opddata->d_buf + offset;
+ sym.st_value = DSO__SWAP(dso, u64, *opd);
+ sym.st_shndx = elf_addr_to_index(runtime_ss->elf,
+ sym.st_value);
+ used_opd = true;
+ }
+
+ sec = elf_getscn(runtime_ss->elf, sym.st_shndx);
+ if (!sec)
+ goto out_elf_end;
+
+ gelf_getshdr(sec, &shdr);
+
+ if (is_label && !elf_sec__is_a(&shdr, secstrs, map->type))
+ continue;
+
+ section_name = elf_sec__name(&shdr, secstrs);
+
+ /* On ARM, symbols for thumb functions have 1 added to
+ * the symbol address as a flag - remove it */
+ if ((ehdr.e_machine == EM_ARM) &&
+ (map->type == MAP__FUNCTION) &&
+ (sym.st_value & 1))
+ --sym.st_value;
+
+ if (dso->kernel != DSO_TYPE_USER || kmodule) {
+ char dso_name[PATH_MAX];
+
+ if (strcmp(section_name,
+ (curr_dso->short_name +
+ dso->short_name_len)) == 0)
+ goto new_symbol;
+
+ if (strcmp(section_name, ".text") == 0) {
+ curr_map = map;
+ curr_dso = dso;
+ goto new_symbol;
+ }
+
+ snprintf(dso_name, sizeof(dso_name),
+ "%s%s", dso->short_name, section_name);
+
+ curr_map = map_groups__find_by_name(kmap->kmaps, map->type, dso_name);
+ if (curr_map == NULL) {
+ u64 start = sym.st_value;
+
+ if (kmodule)
+ start += map->start + shdr.sh_offset;
+
+ curr_dso = dso__new(dso_name);
+ if (curr_dso == NULL)
+ goto out_elf_end;
+ curr_dso->kernel = dso->kernel;
+ curr_dso->long_name = dso->long_name;
+ curr_dso->long_name_len = dso->long_name_len;
+ curr_map = map__new2(start, curr_dso,
+ map->type);
+ if (curr_map == NULL) {
+ dso__delete(curr_dso);
+ goto out_elf_end;
+ }
+ curr_map->map_ip = identity__map_ip;
+ curr_map->unmap_ip = identity__map_ip;
+ curr_dso->symtab_type = dso->symtab_type;
+ map_groups__insert(kmap->kmaps, curr_map);
+ dsos__add(&dso->node, curr_dso);
+ dso__set_loaded(curr_dso, map->type);
+ } else
+ curr_dso = curr_map->dso;
+
+ goto new_symbol;
+ }
+
+ if ((used_opd && runtime_ss->adjust_symbols)
+ || (!used_opd && syms_ss->adjust_symbols)) {
+ pr_debug4("%s: adjusting symbol: st_value: %#" PRIx64 " "
+ "sh_addr: %#" PRIx64 " sh_offset: %#" PRIx64 "\n", __func__,
+ (u64)sym.st_value, (u64)shdr.sh_addr,
+ (u64)shdr.sh_offset);
+ sym.st_value -= shdr.sh_addr - shdr.sh_offset;
+ }
+ /*
+ * We need to figure out if the object was created from C++ sources
+ * DWARF DW_compile_unit has this, but we don't always have access
+ * to it...
+ */
+ demangled = bfd_demangle(NULL, elf_name, DMGL_PARAMS | DMGL_ANSI);
+ if (demangled != NULL)
+ elf_name = demangled;
+new_symbol:
+ f = symbol__new(sym.st_value, sym.st_size,
+ GELF_ST_BIND(sym.st_info), elf_name);
+ free(demangled);
+ if (!f)
+ goto out_elf_end;
+
+ if (filter && filter(curr_map, f))
+ symbol__delete(f);
+ else {
+ symbols__insert(&curr_dso->symbols[curr_map->type], f);
+ nr++;
+ }
+ }
+
+ /*
+ * For misannotated, zeroed, ASM function sizes.
+ */
+ if (nr > 0) {
+ symbols__fixup_duplicate(&dso->symbols[map->type]);
+ symbols__fixup_end(&dso->symbols[map->type]);
+ if (kmap) {
+ /*
+ * We need to fixup this here too because we create new
+ * maps here, for things like vsyscall sections.
+ */
+ __map_groups__fixup_end(kmap->kmaps, map->type);
+ }
+ }
+ err = nr;
+out_elf_end:
+ return err;
+}
+
+void symbol__elf_init(void)
+{
+ elf_version(EV_CURRENT);
+}
diff --git a/tools/perf/util/symbol-minimal.c b/tools/perf/util/symbol-minimal.c
new file mode 100644
index 000000000000..259f8f2ea9c9
--- /dev/null
+++ b/tools/perf/util/symbol-minimal.c
@@ -0,0 +1,307 @@
+#include "symbol.h"
+
+#include <elf.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <string.h>
+#include <byteswap.h>
+#include <sys/stat.h>
+
+
+static bool check_need_swap(int file_endian)
+{
+ const int data = 1;
+ u8 *check = (u8 *)&data;
+ int host_endian;
+
+ if (check[0] == 1)
+ host_endian = ELFDATA2LSB;
+ else
+ host_endian = ELFDATA2MSB;
+
+ return host_endian != file_endian;
+}
+
+#define NOTE_ALIGN(sz) (((sz) + 3) & ~3)
+
+#define NT_GNU_BUILD_ID 3
+
+static int read_build_id(void *note_data, size_t note_len, void *bf,
+ size_t size, bool need_swap)
+{
+ struct {
+ u32 n_namesz;
+ u32 n_descsz;
+ u32 n_type;
+ } *nhdr;
+ void *ptr;
+
+ ptr = note_data;
+ while (ptr < (note_data + note_len)) {
+ const char *name;
+ size_t namesz, descsz;
+
+ nhdr = ptr;
+ if (need_swap) {
+ nhdr->n_namesz = bswap_32(nhdr->n_namesz);
+ nhdr->n_descsz = bswap_32(nhdr->n_descsz);
+ nhdr->n_type = bswap_32(nhdr->n_type);
+ }
+
+ namesz = NOTE_ALIGN(nhdr->n_namesz);
+ descsz = NOTE_ALIGN(nhdr->n_descsz);
+
+ ptr += sizeof(*nhdr);
+ name = ptr;
+ ptr += namesz;
+ if (nhdr->n_type == NT_GNU_BUILD_ID &&
+ nhdr->n_namesz == sizeof("GNU")) {
+ if (memcmp(name, "GNU", sizeof("GNU")) == 0) {
+ size_t sz = min(size, descsz);
+ memcpy(bf, ptr, sz);
+ memset(bf + sz, 0, size - sz);
+ return 0;
+ }
+ }
+ ptr += descsz;
+ }
+
+ return -1;
+}
+
+int filename__read_debuglink(const char *filename __maybe_unused,
+ char *debuglink __maybe_unused,
+ size_t size __maybe_unused)
+{
+ return -1;
+}
+
+/*
+ * Just try PT_NOTE header otherwise fails
+ */
+int filename__read_build_id(const char *filename, void *bf, size_t size)
+{
+ FILE *fp;
+ int ret = -1;
+ bool need_swap = false;
+ u8 e_ident[EI_NIDENT];
+ size_t buf_size;
+ void *buf;
+ int i;
+
+ fp = fopen(filename, "r");
+ if (fp == NULL)
+ return -1;
+
+ if (fread(e_ident, sizeof(e_ident), 1, fp) != 1)
+ goto out;
+
+ if (memcmp(e_ident, ELFMAG, SELFMAG) ||
+ e_ident[EI_VERSION] != EV_CURRENT)
+ goto out;
+
+ need_swap = check_need_swap(e_ident[EI_DATA]);
+
+ /* for simplicity */
+ fseek(fp, 0, SEEK_SET);
+
+ if (e_ident[EI_CLASS] == ELFCLASS32) {
+ Elf32_Ehdr ehdr;
+ Elf32_Phdr *phdr;
+
+ if (fread(&ehdr, sizeof(ehdr), 1, fp) != 1)
+ goto out;
+
+ if (need_swap) {
+ ehdr.e_phoff = bswap_32(ehdr.e_phoff);
+ ehdr.e_phentsize = bswap_16(ehdr.e_phentsize);
+ ehdr.e_phnum = bswap_16(ehdr.e_phnum);
+ }
+
+ buf_size = ehdr.e_phentsize * ehdr.e_phnum;
+ buf = malloc(buf_size);
+ if (buf == NULL)
+ goto out;
+
+ fseek(fp, ehdr.e_phoff, SEEK_SET);
+ if (fread(buf, buf_size, 1, fp) != 1)
+ goto out_free;
+
+ for (i = 0, phdr = buf; i < ehdr.e_phnum; i++, phdr++) {
+ void *tmp;
+
+ if (need_swap) {
+ phdr->p_type = bswap_32(phdr->p_type);
+ phdr->p_offset = bswap_32(phdr->p_offset);
+ phdr->p_filesz = bswap_32(phdr->p_filesz);
+ }
+
+ if (phdr->p_type != PT_NOTE)
+ continue;
+
+ buf_size = phdr->p_filesz;
+ tmp = realloc(buf, buf_size);
+ if (tmp == NULL)
+ goto out_free;
+
+ buf = tmp;
+ fseek(fp, phdr->p_offset, SEEK_SET);
+ if (fread(buf, buf_size, 1, fp) != 1)
+ goto out_free;
+
+ ret = read_build_id(buf, buf_size, bf, size, need_swap);
+ if (ret == 0)
+ ret = size;
+ break;
+ }
+ } else {
+ Elf64_Ehdr ehdr;
+ Elf64_Phdr *phdr;
+
+ if (fread(&ehdr, sizeof(ehdr), 1, fp) != 1)
+ goto out;
+
+ if (need_swap) {
+ ehdr.e_phoff = bswap_64(ehdr.e_phoff);
+ ehdr.e_phentsize = bswap_16(ehdr.e_phentsize);
+ ehdr.e_phnum = bswap_16(ehdr.e_phnum);
+ }
+
+ buf_size = ehdr.e_phentsize * ehdr.e_phnum;
+ buf = malloc(buf_size);
+ if (buf == NULL)
+ goto out;
+
+ fseek(fp, ehdr.e_phoff, SEEK_SET);
+ if (fread(buf, buf_size, 1, fp) != 1)
+ goto out_free;
+
+ for (i = 0, phdr = buf; i < ehdr.e_phnum; i++, phdr++) {
+ void *tmp;
+
+ if (need_swap) {
+ phdr->p_type = bswap_32(phdr->p_type);
+ phdr->p_offset = bswap_64(phdr->p_offset);
+ phdr->p_filesz = bswap_64(phdr->p_filesz);
+ }
+
+ if (phdr->p_type != PT_NOTE)
+ continue;
+
+ buf_size = phdr->p_filesz;
+ tmp = realloc(buf, buf_size);
+ if (tmp == NULL)
+ goto out_free;
+
+ buf = tmp;
+ fseek(fp, phdr->p_offset, SEEK_SET);
+ if (fread(buf, buf_size, 1, fp) != 1)
+ goto out_free;
+
+ ret = read_build_id(buf, buf_size, bf, size, need_swap);
+ if (ret == 0)
+ ret = size;
+ break;
+ }
+ }
+out_free:
+ free(buf);
+out:
+ fclose(fp);
+ return ret;
+}
+
+int sysfs__read_build_id(const char *filename, void *build_id, size_t size)
+{
+ int fd;
+ int ret = -1;
+ struct stat stbuf;
+ size_t buf_size;
+ void *buf;
+
+ fd = open(filename, O_RDONLY);
+ if (fd < 0)
+ return -1;
+
+ if (fstat(fd, &stbuf) < 0)
+ goto out;
+
+ buf_size = stbuf.st_size;
+ buf = malloc(buf_size);
+ if (buf == NULL)
+ goto out;
+
+ if (read(fd, buf, buf_size) != (ssize_t) buf_size)
+ goto out_free;
+
+ ret = read_build_id(buf, buf_size, build_id, size, false);
+out_free:
+ free(buf);
+out:
+ close(fd);
+ return ret;
+}
+
+int symsrc__init(struct symsrc *ss, struct dso *dso __maybe_unused,
+ const char *name,
+ enum dso_binary_type type)
+{
+ int fd = open(name, O_RDONLY);
+ if (fd < 0)
+ return -1;
+
+ ss->name = strdup(name);
+ if (!ss->name)
+ goto out_close;
+
+ ss->type = type;
+
+ return 0;
+out_close:
+ close(fd);
+ return -1;
+}
+
+bool symsrc__possibly_runtime(struct symsrc *ss __maybe_unused)
+{
+ /* Assume all sym sources could be a runtime image. */
+ return true;
+}
+
+bool symsrc__has_symtab(struct symsrc *ss __maybe_unused)
+{
+ return false;
+}
+
+void symsrc__destroy(struct symsrc *ss)
+{
+ free(ss->name);
+ close(ss->fd);
+}
+
+int dso__synthesize_plt_symbols(struct dso *dso __maybe_unused,
+ struct symsrc *ss __maybe_unused,
+ struct map *map __maybe_unused,
+ symbol_filter_t filter __maybe_unused)
+{
+ return 0;
+}
+
+int dso__load_sym(struct dso *dso, struct map *map __maybe_unused,
+ struct symsrc *ss,
+ struct symsrc *runtime_ss __maybe_unused,
+ symbol_filter_t filter __maybe_unused,
+ int kmodule __maybe_unused)
+{
+ unsigned char *build_id[BUILD_ID_SIZE];
+
+ if (filename__read_build_id(ss->name, build_id, BUILD_ID_SIZE) > 0) {
+ dso__set_build_id(dso, build_id);
+ return 1;
+ }
+ return 0;
+}
+
+void symbol__elf_init(void)
+{
+}
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 8b63b678e127..e2e8c697cffe 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -15,8 +15,6 @@
#include "symbol.h"
#include "strlist.h"
-#include <libelf.h>
-#include <gelf.h>
#include <elf.h>
#include <limits.h>
#include <sys/utsname.h>
@@ -25,15 +23,7 @@
#define KSYM_NAME_LEN 256
#endif
-#ifndef NT_GNU_BUILD_ID
-#define NT_GNU_BUILD_ID 3
-#endif
-
static void dso_cache__free(struct rb_root *root);
-static bool dso__build_id_equal(const struct dso *dso, u8 *build_id);
-static int elf_read_build_id(Elf *elf, void *bf, size_t size);
-static void dsos__add(struct list_head *head, struct dso *dso);
-static struct map *map__new2(u64 start, struct dso *dso, enum map_type type);
static int dso__load_kernel_sym(struct dso *dso, struct map *map,
symbol_filter_t filter);
static int dso__load_guest_kernel_sym(struct dso *dso, struct map *map,
@@ -170,7 +160,7 @@ static int choose_best_symbol(struct symbol *syma, struct symbol *symb)
return SYMBOL_B;
}
-static void symbols__fixup_duplicate(struct rb_root *symbols)
+void symbols__fixup_duplicate(struct rb_root *symbols)
{
struct rb_node *nd;
struct symbol *curr, *next;
@@ -199,7 +189,7 @@ again:
}
}
-static void symbols__fixup_end(struct rb_root *symbols)
+void symbols__fixup_end(struct rb_root *symbols)
{
struct rb_node *nd, *prevnd = rb_first(symbols);
struct symbol *curr, *prev;
@@ -222,7 +212,7 @@ static void symbols__fixup_end(struct rb_root *symbols)
curr->end = roundup(curr->start, 4096);
}
-static void __map_groups__fixup_end(struct map_groups *mg, enum map_type type)
+void __map_groups__fixup_end(struct map_groups *mg, enum map_type type)
{
struct map *prev, *curr;
struct rb_node *nd, *prevnd = rb_first(&mg->maps[type]);
@@ -252,8 +242,7 @@ static void map_groups__fixup_end(struct map_groups *mg)
__map_groups__fixup_end(mg, i);
}
-static struct symbol *symbol__new(u64 start, u64 len, u8 binding,
- const char *name)
+struct symbol *symbol__new(u64 start, u64 len, u8 binding, const char *name)
{
size_t namelen = strlen(name) + 1;
struct symbol *sym = calloc(1, (symbol_conf.priv_size +
@@ -390,7 +379,7 @@ void dso__set_build_id(struct dso *dso, void *build_id)
dso->has_build_id = 1;
}
-static void symbols__insert(struct rb_root *symbols, struct symbol *sym)
+void symbols__insert(struct rb_root *symbols, struct symbol *sym)
{
struct rb_node **p = &symbols->rb_node;
struct rb_node *parent = NULL;
@@ -574,7 +563,7 @@ size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp)
int kallsyms__parse(const char *filename, void *arg,
int (*process_symbol)(void *arg, const char *name,
- char type, u64 start, u64 end))
+ char type, u64 start))
{
char *line = NULL;
size_t n;
@@ -614,13 +603,8 @@ int kallsyms__parse(const char *filename, void *arg,
break;
}
- /*
- * module symbols are not sorted so we add all
- * symbols with zero length and rely on
- * symbols__fixup_end() to fix it up.
- */
err = process_symbol(arg, symbol_name,
- symbol_type, start, start);
+ symbol_type, start);
if (err)
break;
}
@@ -647,7 +631,7 @@ static u8 kallsyms2elf_type(char type)
}
static int map__process_kallsym_symbol(void *arg, const char *name,
- char type, u64 start, u64 end)
+ char type, u64 start)
{
struct symbol *sym;
struct process_kallsyms_args *a = arg;
@@ -656,8 +640,12 @@ static int map__process_kallsym_symbol(void *arg, const char *name,
if (!symbol_type__is_a(type, a->map->type))
return 0;
- sym = symbol__new(start, end - start + 1,
- kallsyms2elf_type(type), name);
+ /*
+ * module symbols are not sorted so we add all
+ * symbols, setting length to 0, and rely on
+ * symbols__fixup_end() to fix it up.
+ */
+ sym = symbol__new(start, 0, kallsyms2elf_type(type), name);
if (sym == NULL)
return -ENOMEM;
/*
@@ -904,556 +892,7 @@ out_failure:
return -1;
}
-/**
- * elf_symtab__for_each_symbol - iterate thru all the symbols
- *
- * @syms: struct elf_symtab instance to iterate
- * @idx: uint32_t idx
- * @sym: GElf_Sym iterator
- */
-#define elf_symtab__for_each_symbol(syms, nr_syms, idx, sym) \
- for (idx = 0, gelf_getsym(syms, idx, &sym);\
- idx < nr_syms; \
- idx++, gelf_getsym(syms, idx, &sym))
-
-static inline uint8_t elf_sym__type(const GElf_Sym *sym)
-{
- return GELF_ST_TYPE(sym->st_info);
-}
-
-static inline int elf_sym__is_function(const GElf_Sym *sym)
-{
- return elf_sym__type(sym) == STT_FUNC &&
- sym->st_name != 0 &&
- sym->st_shndx != SHN_UNDEF;
-}
-
-static inline bool elf_sym__is_object(const GElf_Sym *sym)
-{
- return elf_sym__type(sym) == STT_OBJECT &&
- sym->st_name != 0 &&
- sym->st_shndx != SHN_UNDEF;
-}
-
-static inline int elf_sym__is_label(const GElf_Sym *sym)
-{
- return elf_sym__type(sym) == STT_NOTYPE &&
- sym->st_name != 0 &&
- sym->st_shndx != SHN_UNDEF &&
- sym->st_shndx != SHN_ABS;
-}
-
-static inline const char *elf_sec__name(const GElf_Shdr *shdr,
- const Elf_Data *secstrs)
-{
- return secstrs->d_buf + shdr->sh_name;
-}
-
-static inline int elf_sec__is_text(const GElf_Shdr *shdr,
- const Elf_Data *secstrs)
-{
- return strstr(elf_sec__name(shdr, secstrs), "text") != NULL;
-}
-
-static inline bool elf_sec__is_data(const GElf_Shdr *shdr,
- const Elf_Data *secstrs)
-{
- return strstr(elf_sec__name(shdr, secstrs), "data") != NULL;
-}
-
-static inline const char *elf_sym__name(const GElf_Sym *sym,
- const Elf_Data *symstrs)
-{
- return symstrs->d_buf + sym->st_name;
-}
-
-static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,
- GElf_Shdr *shp, const char *name,
- size_t *idx)
-{
- Elf_Scn *sec = NULL;
- size_t cnt = 1;
-
- while ((sec = elf_nextscn(elf, sec)) != NULL) {
- char *str;
-
- gelf_getshdr(sec, shp);
- str = elf_strptr(elf, ep->e_shstrndx, shp->sh_name);
- if (!strcmp(name, str)) {
- if (idx)
- *idx = cnt;
- break;
- }
- ++cnt;
- }
-
- return sec;
-}
-
-#define elf_section__for_each_rel(reldata, pos, pos_mem, idx, nr_entries) \
- for (idx = 0, pos = gelf_getrel(reldata, 0, &pos_mem); \
- idx < nr_entries; \
- ++idx, pos = gelf_getrel(reldata, idx, &pos_mem))
-
-#define elf_section__for_each_rela(reldata, pos, pos_mem, idx, nr_entries) \
- for (idx = 0, pos = gelf_getrela(reldata, 0, &pos_mem); \
- idx < nr_entries; \
- ++idx, pos = gelf_getrela(reldata, idx, &pos_mem))
-
-/*
- * We need to check if we have a .dynsym, so that we can handle the
- * .plt, synthesizing its symbols, that aren't on the symtabs (be it
- * .dynsym or .symtab).
- * And always look at the original dso, not at debuginfo packages, that
- * have the PLT data stripped out (shdr_rel_plt.sh_type == SHT_NOBITS).
- */
-static int
-dso__synthesize_plt_symbols(struct dso *dso, char *name, struct map *map,
- symbol_filter_t filter)
-{
- uint32_t nr_rel_entries, idx;
- GElf_Sym sym;
- u64 plt_offset;
- GElf_Shdr shdr_plt;
- struct symbol *f;
- GElf_Shdr shdr_rel_plt, shdr_dynsym;
- Elf_Data *reldata, *syms, *symstrs;
- Elf_Scn *scn_plt_rel, *scn_symstrs, *scn_dynsym;
- size_t dynsym_idx;
- GElf_Ehdr ehdr;
- char sympltname[1024];
- Elf *elf;
- int nr = 0, symidx, fd, err = 0;
-
- fd = open(name, O_RDONLY);
- if (fd < 0)
- goto out;
-
- elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);
- if (elf == NULL)
- goto out_close;
-
- if (gelf_getehdr(elf, &ehdr) == NULL)
- goto out_elf_end;
-
- scn_dynsym = elf_section_by_name(elf, &ehdr, &shdr_dynsym,
- ".dynsym", &dynsym_idx);
- if (scn_dynsym == NULL)
- goto out_elf_end;
-
- scn_plt_rel = elf_section_by_name(elf, &ehdr, &shdr_rel_plt,
- ".rela.plt", NULL);
- if (scn_plt_rel == NULL) {
- scn_plt_rel = elf_section_by_name(elf, &ehdr, &shdr_rel_plt,
- ".rel.plt", NULL);
- if (scn_plt_rel == NULL)
- goto out_elf_end;
- }
-
- err = -1;
-
- if (shdr_rel_plt.sh_link != dynsym_idx)
- goto out_elf_end;
-
- if (elf_section_by_name(elf, &ehdr, &shdr_plt, ".plt", NULL) == NULL)
- goto out_elf_end;
-
- /*
- * Fetch the relocation section to find the idxes to the GOT
- * and the symbols in the .dynsym they refer to.
- */
- reldata = elf_getdata(scn_plt_rel, NULL);
- if (reldata == NULL)
- goto out_elf_end;
-
- syms = elf_getdata(scn_dynsym, NULL);
- if (syms == NULL)
- goto out_elf_end;
-
- scn_symstrs = elf_getscn(elf, shdr_dynsym.sh_link);
- if (scn_symstrs == NULL)
- goto out_elf_end;
-
- symstrs = elf_getdata(scn_symstrs, NULL);
- if (symstrs == NULL)
- goto out_elf_end;
-
- nr_rel_entries = shdr_rel_plt.sh_size / shdr_rel_plt.sh_entsize;
- plt_offset = shdr_plt.sh_offset;
-
- if (shdr_rel_plt.sh_type == SHT_RELA) {
- GElf_Rela pos_mem, *pos;
-
- elf_section__for_each_rela(reldata, pos, pos_mem, idx,
- nr_rel_entries) {
- symidx = GELF_R_SYM(pos->r_info);
- plt_offset += shdr_plt.sh_entsize;
- gelf_getsym(syms, symidx, &sym);
- snprintf(sympltname, sizeof(sympltname),
- "%s@plt", elf_sym__name(&sym, symstrs));
-
- f = symbol__new(plt_offset, shdr_plt.sh_entsize,
- STB_GLOBAL, sympltname);
- if (!f)
- goto out_elf_end;
-
- if (filter && filter(map, f))
- symbol__delete(f);
- else {
- symbols__insert(&dso->symbols[map->type], f);
- ++nr;
- }
- }
- } else if (shdr_rel_plt.sh_type == SHT_REL) {
- GElf_Rel pos_mem, *pos;
- elf_section__for_each_rel(reldata, pos, pos_mem, idx,
- nr_rel_entries) {
- symidx = GELF_R_SYM(pos->r_info);
- plt_offset += shdr_plt.sh_entsize;
- gelf_getsym(syms, symidx, &sym);
- snprintf(sympltname, sizeof(sympltname),
- "%s@plt", elf_sym__name(&sym, symstrs));
-
- f = symbol__new(plt_offset, shdr_plt.sh_entsize,
- STB_GLOBAL, sympltname);
- if (!f)
- goto out_elf_end;
-
- if (filter && filter(map, f))
- symbol__delete(f);
- else {
- symbols__insert(&dso->symbols[map->type], f);
- ++nr;
- }
- }
- }
-
- err = 0;
-out_elf_end:
- elf_end(elf);
-out_close:
- close(fd);
-
- if (err == 0)
- return nr;
-out:
- pr_debug("%s: problems reading %s PLT info.\n",
- __func__, dso->long_name);
- return 0;
-}
-
-static bool elf_sym__is_a(GElf_Sym *sym, enum map_type type)
-{
- switch (type) {
- case MAP__FUNCTION:
- return elf_sym__is_function(sym);
- case MAP__VARIABLE:
- return elf_sym__is_object(sym);
- default:
- return false;
- }
-}
-
-static bool elf_sec__is_a(GElf_Shdr *shdr, Elf_Data *secstrs,
- enum map_type type)
-{
- switch (type) {
- case MAP__FUNCTION:
- return elf_sec__is_text(shdr, secstrs);
- case MAP__VARIABLE:
- return elf_sec__is_data(shdr, secstrs);
- default:
- return false;
- }
-}
-
-static size_t elf_addr_to_index(Elf *elf, GElf_Addr addr)
-{
- Elf_Scn *sec = NULL;
- GElf_Shdr shdr;
- size_t cnt = 1;
-
- while ((sec = elf_nextscn(elf, sec)) != NULL) {
- gelf_getshdr(sec, &shdr);
-
- if ((addr >= shdr.sh_addr) &&
- (addr < (shdr.sh_addr + shdr.sh_size)))
- return cnt;
-
- ++cnt;
- }
-
- return -1;
-}
-
-static int dso__swap_init(struct dso *dso, unsigned char eidata)
-{
- static unsigned int const endian = 1;
-
- dso->needs_swap = DSO_SWAP__NO;
-
- switch (eidata) {
- case ELFDATA2LSB:
- /* We are big endian, DSO is little endian. */
- if (*(unsigned char const *)&endian != 1)
- dso->needs_swap = DSO_SWAP__YES;
- break;
-
- case ELFDATA2MSB:
- /* We are little endian, DSO is big endian. */
- if (*(unsigned char const *)&endian != 0)
- dso->needs_swap = DSO_SWAP__YES;
- break;
-
- default:
- pr_err("unrecognized DSO data encoding %d\n", eidata);
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int dso__load_sym(struct dso *dso, struct map *map, const char *name,
- int fd, symbol_filter_t filter, int kmodule,
- int want_symtab)
-{
- struct kmap *kmap = dso->kernel ? map__kmap(map) : NULL;
- struct map *curr_map = map;
- struct dso *curr_dso = dso;
- Elf_Data *symstrs, *secstrs;
- uint32_t nr_syms;
- int err = -1;
- uint32_t idx;
- GElf_Ehdr ehdr;
- GElf_Shdr shdr, opdshdr;
- Elf_Data *syms, *opddata = NULL;
- GElf_Sym sym;
- Elf_Scn *sec, *sec_strndx, *opdsec;
- Elf *elf;
- int nr = 0;
- size_t opdidx = 0;
-
- elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);
- if (elf == NULL) {
- pr_debug("%s: cannot read %s ELF file.\n", __func__, name);
- goto out_close;
- }
-
- if (gelf_getehdr(elf, &ehdr) == NULL) {
- pr_debug("%s: cannot get elf header.\n", __func__);
- goto out_elf_end;
- }
-
- if (dso__swap_init(dso, ehdr.e_ident[EI_DATA]))
- goto out_elf_end;
-
- /* Always reject images with a mismatched build-id: */
- if (dso->has_build_id) {
- u8 build_id[BUILD_ID_SIZE];
-
- if (elf_read_build_id(elf, build_id, BUILD_ID_SIZE) < 0)
- goto out_elf_end;
-
- if (!dso__build_id_equal(dso, build_id))
- goto out_elf_end;
- }
-
- sec = elf_section_by_name(elf, &ehdr, &shdr, ".symtab", NULL);
- if (sec == NULL) {
- if (want_symtab)
- goto out_elf_end;
-
- sec = elf_section_by_name(elf, &ehdr, &shdr, ".dynsym", NULL);
- if (sec == NULL)
- goto out_elf_end;
- }
-
- opdsec = elf_section_by_name(elf, &ehdr, &opdshdr, ".opd", &opdidx);
- if (opdshdr.sh_type != SHT_PROGBITS)
- opdsec = NULL;
- if (opdsec)
- opddata = elf_rawdata(opdsec, NULL);
-
- syms = elf_getdata(sec, NULL);
- if (syms == NULL)
- goto out_elf_end;
-
- sec = elf_getscn(elf, shdr.sh_link);
- if (sec == NULL)
- goto out_elf_end;
-
- symstrs = elf_getdata(sec, NULL);
- if (symstrs == NULL)
- goto out_elf_end;
-
- sec_strndx = elf_getscn(elf, ehdr.e_shstrndx);
- if (sec_strndx == NULL)
- goto out_elf_end;
-
- secstrs = elf_getdata(sec_strndx, NULL);
- if (secstrs == NULL)
- goto out_elf_end;
-
- nr_syms = shdr.sh_size / shdr.sh_entsize;
-
- memset(&sym, 0, sizeof(sym));
- if (dso->kernel == DSO_TYPE_USER) {
- dso->adjust_symbols = (ehdr.e_type == ET_EXEC ||
- elf_section_by_name(elf, &ehdr, &shdr,
- ".gnu.prelink_undo",
- NULL) != NULL);
- } else {
- dso->adjust_symbols = 0;
- }
- elf_symtab__for_each_symbol(syms, nr_syms, idx, sym) {
- struct symbol *f;
- const char *elf_name = elf_sym__name(&sym, symstrs);
- char *demangled = NULL;
- int is_label = elf_sym__is_label(&sym);
- const char *section_name;
-
- if (kmap && kmap->ref_reloc_sym && kmap->ref_reloc_sym->name &&
- strcmp(elf_name, kmap->ref_reloc_sym->name) == 0)
- kmap->ref_reloc_sym->unrelocated_addr = sym.st_value;
-
- if (!is_label && !elf_sym__is_a(&sym, map->type))
- continue;
-
- /* Reject ARM ELF "mapping symbols": these aren't unique and
- * don't identify functions, so will confuse the profile
- * output: */
- if (ehdr.e_machine == EM_ARM) {
- if (!strcmp(elf_name, "$a") ||
- !strcmp(elf_name, "$d") ||
- !strcmp(elf_name, "$t"))
- continue;
- }
-
- if (opdsec && sym.st_shndx == opdidx) {
- u32 offset = sym.st_value - opdshdr.sh_addr;
- u64 *opd = opddata->d_buf + offset;
- sym.st_value = DSO__SWAP(dso, u64, *opd);
- sym.st_shndx = elf_addr_to_index(elf, sym.st_value);
- }
-
- sec = elf_getscn(elf, sym.st_shndx);
- if (!sec)
- goto out_elf_end;
-
- gelf_getshdr(sec, &shdr);
-
- if (is_label && !elf_sec__is_a(&shdr, secstrs, map->type))
- continue;
-
- section_name = elf_sec__name(&shdr, secstrs);
-
- /* On ARM, symbols for thumb functions have 1 added to
- * the symbol address as a flag - remove it */
- if ((ehdr.e_machine == EM_ARM) &&
- (map->type == MAP__FUNCTION) &&
- (sym.st_value & 1))
- --sym.st_value;
-
- if (dso->kernel != DSO_TYPE_USER || kmodule) {
- char dso_name[PATH_MAX];
-
- if (strcmp(section_name,
- (curr_dso->short_name +
- dso->short_name_len)) == 0)
- goto new_symbol;
-
- if (strcmp(section_name, ".text") == 0) {
- curr_map = map;
- curr_dso = dso;
- goto new_symbol;
- }
-
- snprintf(dso_name, sizeof(dso_name),
- "%s%s", dso->short_name, section_name);
-
- curr_map = map_groups__find_by_name(kmap->kmaps, map->type, dso_name);
- if (curr_map == NULL) {
- u64 start = sym.st_value;
-
- if (kmodule)
- start += map->start + shdr.sh_offset;
-
- curr_dso = dso__new(dso_name);
- if (curr_dso == NULL)
- goto out_elf_end;
- curr_dso->kernel = dso->kernel;
- curr_dso->long_name = dso->long_name;
- curr_dso->long_name_len = dso->long_name_len;
- curr_map = map__new2(start, curr_dso,
- map->type);
- if (curr_map == NULL) {
- dso__delete(curr_dso);
- goto out_elf_end;
- }
- curr_map->map_ip = identity__map_ip;
- curr_map->unmap_ip = identity__map_ip;
- curr_dso->symtab_type = dso->symtab_type;
- map_groups__insert(kmap->kmaps, curr_map);
- dsos__add(&dso->node, curr_dso);
- dso__set_loaded(curr_dso, map->type);
- } else
- curr_dso = curr_map->dso;
-
- goto new_symbol;
- }
-
- if (curr_dso->adjust_symbols) {
- pr_debug4("%s: adjusting symbol: st_value: %#" PRIx64 " "
- "sh_addr: %#" PRIx64 " sh_offset: %#" PRIx64 "\n", __func__,
- (u64)sym.st_value, (u64)shdr.sh_addr,
- (u64)shdr.sh_offset);
- sym.st_value -= shdr.sh_addr - shdr.sh_offset;
- }
- /*
- * We need to figure out if the object was created from C++ sources
- * DWARF DW_compile_unit has this, but we don't always have access
- * to it...
- */
- demangled = bfd_demangle(NULL, elf_name, DMGL_PARAMS | DMGL_ANSI);
- if (demangled != NULL)
- elf_name = demangled;
-new_symbol:
- f = symbol__new(sym.st_value, sym.st_size,
- GELF_ST_BIND(sym.st_info), elf_name);
- free(demangled);
- if (!f)
- goto out_elf_end;
-
- if (filter && filter(curr_map, f))
- symbol__delete(f);
- else {
- symbols__insert(&curr_dso->symbols[curr_map->type], f);
- nr++;
- }
- }
-
- /*
- * For misannotated, zeroed, ASM function sizes.
- */
- if (nr > 0) {
- symbols__fixup_duplicate(&dso->symbols[map->type]);
- symbols__fixup_end(&dso->symbols[map->type]);
- if (kmap) {
- /*
- * We need to fixup this here too because we create new
- * maps here, for things like vsyscall sections.
- */
- __map_groups__fixup_end(kmap->kmaps, map->type);
- }
- }
- err = nr;
-out_elf_end:
- elf_end(elf);
-out_close:
- return err;
-}
-
-static bool dso__build_id_equal(const struct dso *dso, u8 *build_id)
+bool dso__build_id_equal(const struct dso *dso, u8 *build_id)
{
return memcmp(dso->build_id, build_id, sizeof(dso->build_id)) == 0;
}
@@ -1480,216 +919,11 @@ bool __dsos__read_build_ids(struct list_head *head, bool with_hits)
return have_build_id;
}
-/*
- * Align offset to 4 bytes as needed for note name and descriptor data.
- */
-#define NOTE_ALIGN(n) (((n) + 3) & -4U)
-
-static int elf_read_build_id(Elf *elf, void *bf, size_t size)
-{
- int err = -1;
- GElf_Ehdr ehdr;
- GElf_Shdr shdr;
- Elf_Data *data;
- Elf_Scn *sec;
- Elf_Kind ek;
- void *ptr;
-
- if (size < BUILD_ID_SIZE)
- goto out;
-
- ek = elf_kind(elf);
- if (ek != ELF_K_ELF)
- goto out;
-
- if (gelf_getehdr(elf, &ehdr) == NULL) {
- pr_err("%s: cannot get elf header.\n", __func__);
- goto out;
- }
-
- /*
- * Check following sections for notes:
- * '.note.gnu.build-id'
- * '.notes'
- * '.note' (VDSO specific)
- */
- do {
- sec = elf_section_by_name(elf, &ehdr, &shdr,
- ".note.gnu.build-id", NULL);
- if (sec)
- break;
-
- sec = elf_section_by_name(elf, &ehdr, &shdr,
- ".notes", NULL);
- if (sec)
- break;
-
- sec = elf_section_by_name(elf, &ehdr, &shdr,
- ".note", NULL);
- if (sec)
- break;
-
- return err;
-
- } while (0);
-
- data = elf_getdata(sec, NULL);
- if (data == NULL)
- goto out;
-
- ptr = data->d_buf;
- while (ptr < (data->d_buf + data->d_size)) {
- GElf_Nhdr *nhdr = ptr;
- size_t namesz = NOTE_ALIGN(nhdr->n_namesz),
- descsz = NOTE_ALIGN(nhdr->n_descsz);
- const char *name;
-
- ptr += sizeof(*nhdr);
- name = ptr;
- ptr += namesz;
- if (nhdr->n_type == NT_GNU_BUILD_ID &&
- nhdr->n_namesz == sizeof("GNU")) {
- if (memcmp(name, "GNU", sizeof("GNU")) == 0) {
- size_t sz = min(size, descsz);
- memcpy(bf, ptr, sz);
- memset(bf + sz, 0, size - sz);
- err = descsz;
- break;
- }
- }
- ptr += descsz;
- }
-
-out:
- return err;
-}
-
-int filename__read_build_id(const char *filename, void *bf, size_t size)
-{
- int fd, err = -1;
- Elf *elf;
-
- if (size < BUILD_ID_SIZE)
- goto out;
-
- fd = open(filename, O_RDONLY);
- if (fd < 0)
- goto out;
-
- elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);
- if (elf == NULL) {
- pr_debug2("%s: cannot read %s ELF file.\n", __func__, filename);
- goto out_close;
- }
-
- err = elf_read_build_id(elf, bf, size);
-
- elf_end(elf);
-out_close:
- close(fd);
-out:
- return err;
-}
-
-int sysfs__read_build_id(const char *filename, void *build_id, size_t size)
-{
- int fd, err = -1;
-
- if (size < BUILD_ID_SIZE)
- goto out;
-
- fd = open(filename, O_RDONLY);
- if (fd < 0)
- goto out;
-
- while (1) {
- char bf[BUFSIZ];
- GElf_Nhdr nhdr;
- size_t namesz, descsz;
-
- if (read(fd, &nhdr, sizeof(nhdr)) != sizeof(nhdr))
- break;
-
- namesz = NOTE_ALIGN(nhdr.n_namesz);
- descsz = NOTE_ALIGN(nhdr.n_descsz);
- if (nhdr.n_type == NT_GNU_BUILD_ID &&
- nhdr.n_namesz == sizeof("GNU")) {
- if (read(fd, bf, namesz) != (ssize_t)namesz)
- break;
- if (memcmp(bf, "GNU", sizeof("GNU")) == 0) {
- size_t sz = min(descsz, size);
- if (read(fd, build_id, sz) == (ssize_t)sz) {
- memset(build_id + sz, 0, size - sz);
- err = 0;
- break;
- }
- } else if (read(fd, bf, descsz) != (ssize_t)descsz)
- break;
- } else {
- int n = namesz + descsz;
- if (read(fd, bf, n) != n)
- break;
- }
- }
- close(fd);
-out:
- return err;
-}
-
-static int filename__read_debuglink(const char *filename,
- char *debuglink, size_t size)
-{
- int fd, err = -1;
- Elf *elf;
- GElf_Ehdr ehdr;
- GElf_Shdr shdr;
- Elf_Data *data;
- Elf_Scn *sec;
- Elf_Kind ek;
-
- fd = open(filename, O_RDONLY);
- if (fd < 0)
- goto out;
-
- elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);
- if (elf == NULL) {
- pr_debug2("%s: cannot read %s ELF file.\n", __func__, filename);
- goto out_close;
- }
-
- ek = elf_kind(elf);
- if (ek != ELF_K_ELF)
- goto out_close;
-
- if (gelf_getehdr(elf, &ehdr) == NULL) {
- pr_err("%s: cannot get elf header.\n", __func__);
- goto out_close;
- }
-
- sec = elf_section_by_name(elf, &ehdr, &shdr,
- ".gnu_debuglink", NULL);
- if (sec == NULL)
- goto out_close;
-
- data = elf_getdata(sec, NULL);
- if (data == NULL)
- goto out_close;
-
- /* the start of this section is a zero-terminated string */
- strncpy(debuglink, data->d_buf, size);
-
- elf_end(elf);
-
-out_close:
- close(fd);
-out:
- return err;
-}
-
char dso__symtab_origin(const struct dso *dso)
{
static const char origin[] = {
[DSO_BINARY_TYPE__KALLSYMS] = 'k',
+ [DSO_BINARY_TYPE__VMLINUX] = 'v',
[DSO_BINARY_TYPE__JAVA_JIT] = 'j',
[DSO_BINARY_TYPE__DEBUGLINK] = 'l',
[DSO_BINARY_TYPE__BUILD_ID_CACHE] = 'B',
@@ -1700,6 +934,7 @@ char dso__symtab_origin(const struct dso *dso)
[DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE] = 'K',
[DSO_BINARY_TYPE__GUEST_KALLSYMS] = 'g',
[DSO_BINARY_TYPE__GUEST_KMODULE] = 'G',
+ [DSO_BINARY_TYPE__GUEST_VMLINUX] = 'V',
};
if (dso == NULL || dso->symtab_type == DSO_BINARY_TYPE__NOT_FOUND)
@@ -1775,7 +1010,9 @@ int dso__binary_type_file(struct dso *dso, enum dso_binary_type type,
default:
case DSO_BINARY_TYPE__KALLSYMS:
+ case DSO_BINARY_TYPE__VMLINUX:
case DSO_BINARY_TYPE__GUEST_KALLSYMS:
+ case DSO_BINARY_TYPE__GUEST_VMLINUX:
case DSO_BINARY_TYPE__JAVA_JIT:
case DSO_BINARY_TYPE__NOT_FOUND:
ret = -1;
@@ -1789,11 +1026,12 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter)
{
char *name;
int ret = -1;
- int fd;
u_int i;
struct machine *machine;
char *root_dir = (char *) "";
- int want_symtab;
+ int ss_pos = 0;
+ struct symsrc ss_[2];
+ struct symsrc *syms_ss = NULL, *runtime_ss = NULL;
dso__set_loaded(dso, map->type);
@@ -1835,54 +1073,69 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter)
root_dir = machine->root_dir;
/* Iterate over candidate debug images.
- * On the first pass, only load images if they have a full symtab.
- * Failing that, do a second pass where we accept .dynsym also
+ * Keep track of "interesting" ones (those which have a symtab, dynsym,
+ * and/or opd section) for processing.
*/
- want_symtab = 1;
-restart:
for (i = 0; i < DSO_BINARY_TYPE__SYMTAB_CNT; i++) {
+ struct symsrc *ss = &ss_[ss_pos];
+ bool next_slot = false;
- dso->symtab_type = binary_type_symtab[i];
+ enum dso_binary_type symtab_type = binary_type_symtab[i];
- if (dso__binary_type_file(dso, dso->symtab_type,
+ if (dso__binary_type_file(dso, symtab_type,
root_dir, name, PATH_MAX))
continue;
/* Name is now the name of the next image to try */
- fd = open(name, O_RDONLY);
- if (fd < 0)
+ if (symsrc__init(ss, dso, name, symtab_type) < 0)
continue;
- ret = dso__load_sym(dso, map, name, fd, filter, 0,
- want_symtab);
- close(fd);
+ if (!syms_ss && symsrc__has_symtab(ss)) {
+ syms_ss = ss;
+ next_slot = true;
+ }
- /*
- * Some people seem to have debuginfo files _WITHOUT_ debug
- * info!?!?
- */
- if (!ret)
- continue;
+ if (!runtime_ss && symsrc__possibly_runtime(ss)) {
+ runtime_ss = ss;
+ next_slot = true;
+ }
- if (ret > 0) {
- int nr_plt;
+ if (next_slot) {
+ ss_pos++;
- nr_plt = dso__synthesize_plt_symbols(dso, name, map, filter);
- if (nr_plt > 0)
- ret += nr_plt;
- break;
+ if (syms_ss && runtime_ss)
+ break;
}
+
}
- /*
- * If we wanted a full symtab but no image had one,
- * relax our requirements and repeat the search.
- */
- if (ret <= 0 && want_symtab) {
- want_symtab = 0;
- goto restart;
+ if (!runtime_ss && !syms_ss)
+ goto out_free;
+
+ if (runtime_ss && !syms_ss) {
+ syms_ss = runtime_ss;
+ }
+
+ /* We'll have to hope for the best */
+ if (!runtime_ss && syms_ss)
+ runtime_ss = syms_ss;
+
+ if (syms_ss)
+ ret = dso__load_sym(dso, map, syms_ss, runtime_ss, filter, 0);
+ else
+ ret = -1;
+
+ if (ret > 0) {
+ int nr_plt;
+
+ nr_plt = dso__synthesize_plt_symbols(dso, runtime_ss, map, filter);
+ if (nr_plt > 0)
+ ret += nr_plt;
}
+ for (; ss_pos > 0; ss_pos--)
+ symsrc__destroy(&ss_[ss_pos - 1]);
+out_free:
free(name);
if (ret < 0 && strstr(dso->name, " (deleted)") != NULL)
return 0;
@@ -2030,25 +1283,6 @@ static int machine__set_modules_path(struct machine *machine)
return map_groups__set_modules_path_dir(&machine->kmaps, modules_path);
}
-/*
- * Constructor variant for modules (where we know from /proc/modules where
- * they are loaded) and for vmlinux, where only after we load all the
- * symbols we'll know where it starts and ends.
- */
-static struct map *map__new2(u64 start, struct dso *dso, enum map_type type)
-{
- struct map *map = calloc(1, (sizeof(*map) +
- (dso->kernel ? sizeof(struct kmap) : 0)));
- if (map != NULL) {
- /*
- * ->end will be filled after we load all the symbols
- */
- map__init(map, type, start, 0, 0, dso);
- }
-
- return map;
-}
-
struct map *machine__new_module(struct machine *machine, u64 start,
const char *filename)
{
@@ -2141,22 +1375,30 @@ out_failure:
int dso__load_vmlinux(struct dso *dso, struct map *map,
const char *vmlinux, symbol_filter_t filter)
{
- int err = -1, fd;
+ int err = -1;
+ struct symsrc ss;
char symfs_vmlinux[PATH_MAX];
+ enum dso_binary_type symtab_type;
snprintf(symfs_vmlinux, sizeof(symfs_vmlinux), "%s%s",
symbol_conf.symfs, vmlinux);
- fd = open(symfs_vmlinux, O_RDONLY);
- if (fd < 0)
+
+ if (dso->kernel == DSO_TYPE_GUEST_KERNEL)
+ symtab_type = DSO_BINARY_TYPE__GUEST_VMLINUX;
+ else
+ symtab_type = DSO_BINARY_TYPE__VMLINUX;
+
+ if (symsrc__init(&ss, dso, symfs_vmlinux, symtab_type))
return -1;
- dso__set_long_name(dso, (char *)vmlinux);
- dso__set_loaded(dso, map->type);
- err = dso__load_sym(dso, map, symfs_vmlinux, fd, filter, 0, 0);
- close(fd);
+ err = dso__load_sym(dso, map, &ss, &ss, filter, 0);
+ symsrc__destroy(&ss);
- if (err > 0)
+ if (err > 0) {
+ dso__set_long_name(dso, (char *)vmlinux);
+ dso__set_loaded(dso, map->type);
pr_debug("Using %s for symbols\n", symfs_vmlinux);
+ }
return err;
}
@@ -2173,10 +1415,8 @@ int dso__load_vmlinux_path(struct dso *dso, struct map *map,
filename = dso__build_id_filename(dso, NULL, 0);
if (filename != NULL) {
err = dso__load_vmlinux(dso, map, filename, filter);
- if (err > 0) {
- dso__set_long_name(dso, filename);
+ if (err > 0)
goto out;
- }
free(filename);
}
@@ -2291,9 +1531,8 @@ do_kallsyms:
free(kallsyms_allocated_filename);
if (err > 0) {
+ dso__set_long_name(dso, strdup("[kernel.kallsyms]"));
out_fixup:
- if (kallsyms_filename != NULL)
- dso__set_long_name(dso, strdup("[kernel.kallsyms]"));
map__fixup_start(map);
map__fixup_end(map);
}
@@ -2352,12 +1591,12 @@ out_try_fixup:
return err;
}
-static void dsos__add(struct list_head *head, struct dso *dso)
+void dsos__add(struct list_head *head, struct dso *dso)
{
list_add_tail(&dso->node, head);
}
-static struct dso *dsos__find(struct list_head *head, const char *name)
+struct dso *dsos__find(struct list_head *head, const char *name)
{
struct dso *pos;
@@ -2516,7 +1755,7 @@ struct process_args {
};
static int symbol__in_kernel(void *arg, const char *name,
- char type __used, u64 start, u64 end __used)
+ char type __maybe_unused, u64 start)
{
struct process_args *args = arg;
@@ -2752,9 +1991,10 @@ int symbol__init(void)
if (symbol_conf.initialized)
return 0;
- symbol_conf.priv_size = ALIGN(symbol_conf.priv_size, sizeof(u64));
+ symbol_conf.priv_size = PERF_ALIGN(symbol_conf.priv_size, sizeof(u64));
+
+ symbol__elf_init();
- elf_version(EV_CURRENT);
if (symbol_conf.sort_by_name)
symbol_conf.priv_size += (sizeof(struct symbol_name_rb_node) -
sizeof(struct symbol));
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 1fe733a1e21f..b441b07172b7 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -10,22 +10,31 @@
#include <linux/rbtree.h>
#include <stdio.h>
#include <byteswap.h>
+#include <libgen.h>
+
+#ifndef NO_LIBELF_SUPPORT
+#include <libelf.h>
+#include <gelf.h>
+#include <elf.h>
+#endif
#ifdef HAVE_CPLUS_DEMANGLE
extern char *cplus_demangle(const char *, int);
-static inline char *bfd_demangle(void __used *v, const char *c, int i)
+static inline char *bfd_demangle(void __maybe_unused *v, const char *c, int i)
{
return cplus_demangle(c, i);
}
#else
#ifdef NO_DEMANGLE
-static inline char *bfd_demangle(void __used *v, const char __used *c,
- int __used i)
+static inline char *bfd_demangle(void __maybe_unused *v,
+ const char __maybe_unused *c,
+ int __maybe_unused i)
{
return NULL;
}
#else
+#define PACKAGE 'perf'
#include <bfd.h>
#endif
#endif
@@ -158,6 +167,8 @@ struct addr_location {
enum dso_binary_type {
DSO_BINARY_TYPE__KALLSYMS = 0,
DSO_BINARY_TYPE__GUEST_KALLSYMS,
+ DSO_BINARY_TYPE__VMLINUX,
+ DSO_BINARY_TYPE__GUEST_VMLINUX,
DSO_BINARY_TYPE__JAVA_JIT,
DSO_BINARY_TYPE__DEBUGLINK,
DSO_BINARY_TYPE__BUILD_ID_CACHE,
@@ -217,6 +228,36 @@ struct dso {
char name[0];
};
+struct symsrc {
+ char *name;
+ int fd;
+ enum dso_binary_type type;
+
+#ifndef NO_LIBELF_SUPPORT
+ Elf *elf;
+ GElf_Ehdr ehdr;
+
+ Elf_Scn *opdsec;
+ size_t opdidx;
+ GElf_Shdr opdshdr;
+
+ Elf_Scn *symtab;
+ GElf_Shdr symshdr;
+
+ Elf_Scn *dynsym;
+ size_t dynsym_idx;
+ GElf_Shdr dynshdr;
+
+ bool adjust_symbols;
+#endif
+};
+
+void symsrc__destroy(struct symsrc *ss);
+int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name,
+ enum dso_binary_type type);
+bool symsrc__has_symtab(struct symsrc *ss);
+bool symsrc__possibly_runtime(struct symsrc *ss);
+
#define DSO__SWAP(dso, type, val) \
({ \
type ____r = val; \
@@ -254,6 +295,8 @@ static inline void dso__set_loaded(struct dso *dso, enum map_type type)
void dso__sort_by_name(struct dso *dso, enum map_type type);
+void dsos__add(struct list_head *head, struct dso *dso);
+struct dso *dsos__find(struct list_head *head, const char *name);
struct dso *__dsos__findnew(struct list_head *head, const char *name);
int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter);
@@ -283,6 +326,7 @@ size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp);
char dso__symtab_origin(const struct dso *dso);
void dso__set_long_name(struct dso *dso, char *name);
void dso__set_build_id(struct dso *dso, void *build_id);
+bool dso__build_id_equal(const struct dso *dso, u8 *build_id);
void dso__read_running_kernel_build_id(struct dso *dso,
struct machine *machine);
struct map *dso__new_map(const char *name);
@@ -297,7 +341,9 @@ bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
int build_id__sprintf(const u8 *build_id, int len, char *bf);
int kallsyms__parse(const char *filename, void *arg,
int (*process_symbol)(void *arg, const char *name,
- char type, u64 start, u64 end));
+ char type, u64 start));
+int filename__read_debuglink(const char *filename, char *debuglink,
+ size_t size);
void machine__destroy_kernel_maps(struct machine *machine);
int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
@@ -309,6 +355,8 @@ void machines__destroy_guest_kernel_maps(struct rb_root *machines);
int symbol__init(void);
void symbol__exit(void);
+void symbol__elf_init(void);
+struct symbol *symbol__new(u64 start, u64 len, u8 binding, const char *name);
size_t symbol__fprintf_symname_offs(const struct symbol *sym,
const struct addr_location *al, FILE *fp);
size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp);
@@ -326,4 +374,15 @@ ssize_t dso__data_read_addr(struct dso *dso, struct map *map,
struct machine *machine, u64 addr,
u8 *data, ssize_t size);
int dso__test_data(void);
+int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss,
+ struct symsrc *runtime_ss, symbol_filter_t filter,
+ int kmodule);
+int dso__synthesize_plt_symbols(struct dso *dso, struct symsrc *ss,
+ struct map *map, symbol_filter_t filter);
+
+void symbols__insert(struct rb_root *symbols, struct symbol *sym);
+void symbols__fixup_duplicate(struct rb_root *symbols);
+void symbols__fixup_end(struct rb_root *symbols);
+void __map_groups__fixup_end(struct map_groups *mg, enum map_type type);
+
#endif /* __PERF_SYMBOL */
diff --git a/tools/perf/util/target.c b/tools/perf/util/target.c
index 051eaa68095e..065528b7563e 100644
--- a/tools/perf/util/target.c
+++ b/tools/perf/util/target.c
@@ -117,8 +117,8 @@ int perf_target__strerror(struct perf_target *target, int errnum,
if (err != buf) {
size_t len = strlen(err);
- char *c = mempcpy(buf, err, min(buflen - 1, len));
- *c = '\0';
+ memcpy(buf, err, min(buflen - 1, len));
+ *(buf + min(buflen - 1, len)) = '\0';
}
return 0;
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index 70c2c13ff679..f66610b7bacf 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -16,6 +16,8 @@ struct thread {
bool comm_set;
char *comm;
int comm_len;
+
+ void *priv;
};
struct machine;
diff --git a/tools/perf/util/top.c b/tools/perf/util/top.c
index 7eeebcee291c..884dde9b9bc1 100644
--- a/tools/perf/util/top.c
+++ b/tools/perf/util/top.c
@@ -58,8 +58,7 @@ size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size)
}
if (top->evlist->nr_entries == 1) {
- struct perf_evsel *first;
- first = list_entry(top->evlist->entries.next, struct perf_evsel, node);
+ struct perf_evsel *first = perf_evlist__first(top->evlist);
ret += SNPRINTF(bf + ret, size - ret, "%" PRIu64 "%s ",
(uint64_t)first->attr.sample_period,
top->freq ? "Hz" : "");
diff --git a/tools/perf/util/top.h b/tools/perf/util/top.h
index 33347ca89ee4..86ff1b15059b 100644
--- a/tools/perf/util/top.h
+++ b/tools/perf/util/top.h
@@ -5,6 +5,7 @@
#include "types.h"
#include <stddef.h>
#include <stdbool.h>
+#include <termios.h>
struct perf_evlist;
struct perf_evsel;
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index 0715c843c2e7..3aabcd687cd5 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -162,25 +162,16 @@ int trace_parse_common_pid(struct pevent *pevent, void *data)
return pevent_data_pid(pevent, &record);
}
-unsigned long long read_size(struct pevent *pevent, void *ptr, int size)
+unsigned long long read_size(struct event_format *event, void *ptr, int size)
{
- return pevent_read_number(pevent, ptr, size);
+ return pevent_read_number(event->pevent, ptr, size);
}
-void print_trace_event(struct pevent *pevent, int cpu, void *data, int size)
+void event_format__print(struct event_format *event,
+ int cpu, void *data, int size)
{
- struct event_format *event;
struct pevent_record record;
struct trace_seq s;
- int type;
-
- type = trace_parse_common_type(pevent, data);
-
- event = pevent_find_event(pevent, type);
- if (!event) {
- warning("ug! no event found for type %d", type);
- return;
- }
memset(&record, 0, sizeof(record));
record.cpu = cpu;
@@ -192,6 +183,19 @@ void print_trace_event(struct pevent *pevent, int cpu, void *data, int size)
trace_seq_do_printf(&s);
}
+void print_trace_event(struct pevent *pevent, int cpu, void *data, int size)
+{
+ int type = trace_parse_common_type(pevent, data);
+ struct event_format *event = pevent_find_event(pevent, type);
+
+ if (!event) {
+ warning("ug! no event found for type %d", type);
+ return;
+ }
+
+ event_format__print(event, cpu, data, size);
+}
+
void print_event(struct pevent *pevent, int cpu, void *data, int size,
unsigned long long nsecs, char *comm)
{
@@ -217,7 +221,7 @@ void print_event(struct pevent *pevent, int cpu, void *data, int size,
}
void parse_proc_kallsyms(struct pevent *pevent,
- char *file, unsigned int size __unused)
+ char *file, unsigned int size __maybe_unused)
{
unsigned long long addr;
char *func;
@@ -225,31 +229,29 @@ void parse_proc_kallsyms(struct pevent *pevent,
char *next = NULL;
char *addr_str;
char *mod;
- char ch;
+ char *fmt;
line = strtok_r(file, "\n", &next);
while (line) {
mod = NULL;
- sscanf(line, "%as %c %as\t[%as",
- (float *)(void *)&addr_str, /* workaround gcc warning */
- &ch, (float *)(void *)&func, (float *)(void *)&mod);
+ addr_str = strtok_r(line, " ", &fmt);
addr = strtoull(addr_str, NULL, 16);
- free(addr_str);
-
- /* truncate the extra ']' */
+ /* skip character */
+ strtok_r(NULL, " ", &fmt);
+ func = strtok_r(NULL, "\t", &fmt);
+ mod = strtok_r(NULL, "]", &fmt);
+ /* truncate the extra '[' */
if (mod)
- mod[strlen(mod) - 1] = 0;
+ mod = mod + 1;
pevent_register_function(pevent, func, addr, mod);
- free(func);
- free(mod);
line = strtok_r(NULL, "\n", &next);
}
}
void parse_ftrace_printk(struct pevent *pevent,
- char *file, unsigned int size __unused)
+ char *file, unsigned int size __maybe_unused)
{
unsigned long long addr;
char *printk;
@@ -289,7 +291,7 @@ struct event_format *trace_find_next_event(struct pevent *pevent,
{
static int idx;
- if (!pevent->events)
+ if (!pevent || !pevent->events)
return NULL;
if (!event) {
diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c
index 474aa7a7df43..8715a1006d00 100644
--- a/tools/perf/util/trace-event-scripting.c
+++ b/tools/perf/util/trace-event-scripting.c
@@ -35,12 +35,11 @@ static int stop_script_unsupported(void)
return 0;
}
-static void process_event_unsupported(union perf_event *event __unused,
- struct pevent *pevent __unused,
- struct perf_sample *sample __unused,
- struct perf_evsel *evsel __unused,
- struct machine *machine __unused,
- struct thread *thread __unused)
+static void process_event_unsupported(union perf_event *event __maybe_unused,
+ struct perf_sample *sample __maybe_unused,
+ struct perf_evsel *evsel __maybe_unused,
+ struct machine *machine __maybe_unused,
+ struct addr_location *al __maybe_unused)
{
}
@@ -53,17 +52,19 @@ static void print_python_unsupported_msg(void)
"\n etc.\n");
}
-static int python_start_script_unsupported(const char *script __unused,
- int argc __unused,
- const char **argv __unused)
+static int python_start_script_unsupported(const char *script __maybe_unused,
+ int argc __maybe_unused,
+ const char **argv __maybe_unused)
{
print_python_unsupported_msg();
return -1;
}
-static int python_generate_script_unsupported(struct pevent *pevent __unused,
- const char *outfile __unused)
+static int python_generate_script_unsupported(struct pevent *pevent
+ __maybe_unused,
+ const char *outfile
+ __maybe_unused)
{
print_python_unsupported_msg();
@@ -115,17 +116,18 @@ static void print_perl_unsupported_msg(void)
"\n etc.\n");
}
-static int perl_start_script_unsupported(const char *script __unused,
- int argc __unused,
- const char **argv __unused)
+static int perl_start_script_unsupported(const char *script __maybe_unused,
+ int argc __maybe_unused,
+ const char **argv __maybe_unused)
{
print_perl_unsupported_msg();
return -1;
}
-static int perl_generate_script_unsupported(struct pevent *pevent __unused,
- const char *outfile __unused)
+static int perl_generate_script_unsupported(struct pevent *pevent
+ __maybe_unused,
+ const char *outfile __maybe_unused)
{
print_perl_unsupported_msg();
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index 8fef1d6687b7..a55fd37ffea1 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -9,7 +9,6 @@ struct machine;
struct perf_sample;
union perf_event;
struct perf_tool;
-struct thread;
extern int header_page_size_size;
extern int header_page_ts_size;
@@ -32,6 +31,8 @@ int bigendian(void);
struct pevent *read_trace_init(int file_bigendian, int host_bigendian);
void print_trace_event(struct pevent *pevent, int cpu, void *data, int size);
+void event_format__print(struct event_format *event,
+ int cpu, void *data, int size);
void print_event(struct pevent *pevent, int cpu, void *data, int size,
unsigned long long nsecs, char *comm);
@@ -56,7 +57,7 @@ int trace_parse_common_pid(struct pevent *pevent, void *data);
struct event_format *trace_find_next_event(struct pevent *pevent,
struct event_format *event);
-unsigned long long read_size(struct pevent *pevent, void *ptr, int size);
+unsigned long long read_size(struct event_format *event, void *ptr, int size);
unsigned long long eval_flag(const char *flag);
struct pevent_record *trace_read_data(struct pevent *pevent, int cpu);
@@ -74,16 +75,19 @@ struct tracing_data *tracing_data_get(struct list_head *pattrs,
void tracing_data_put(struct tracing_data *tdata);
+struct addr_location;
+
+struct perf_session;
+
struct scripting_ops {
const char *name;
int (*start_script) (const char *script, int argc, const char **argv);
int (*stop_script) (void);
void (*process_event) (union perf_event *event,
- struct pevent *pevent,
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine,
- struct thread *thread);
+ struct addr_location *al);
int (*generate_script) (struct pevent *pevent, const char *outfile);
};
diff --git a/tools/perf/util/unwind.c b/tools/perf/util/unwind.c
new file mode 100644
index 000000000000..958723ba3d2e
--- /dev/null
+++ b/tools/perf/util/unwind.c
@@ -0,0 +1,571 @@
+/*
+ * Post mortem Dwarf CFI based unwinding on top of regs and stack dumps.
+ *
+ * Lots of this code have been borrowed or heavily inspired from parts of
+ * the libunwind 0.99 code which are (amongst other contributors I may have
+ * forgotten):
+ *
+ * Copyright (C) 2002-2007 Hewlett-Packard Co
+ * Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
+ *
+ * And the bugs have been added by:
+ *
+ * Copyright (C) 2010, Frederic Weisbecker <fweisbec@gmail.com>
+ * Copyright (C) 2012, Jiri Olsa <jolsa@redhat.com>
+ *
+ */
+
+#include <elf.h>
+#include <gelf.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <linux/list.h>
+#include <libunwind.h>
+#include <libunwind-ptrace.h>
+#include "thread.h"
+#include "session.h"
+#include "perf_regs.h"
+#include "unwind.h"
+#include "util.h"
+
+extern int
+UNW_OBJ(dwarf_search_unwind_table) (unw_addr_space_t as,
+ unw_word_t ip,
+ unw_dyn_info_t *di,
+ unw_proc_info_t *pi,
+ int need_unwind_info, void *arg);
+
+#define dwarf_search_unwind_table UNW_OBJ(dwarf_search_unwind_table)
+
+#define DW_EH_PE_FORMAT_MASK 0x0f /* format of the encoded value */
+#define DW_EH_PE_APPL_MASK 0x70 /* how the value is to be applied */
+
+/* Pointer-encoding formats: */
+#define DW_EH_PE_omit 0xff
+#define DW_EH_PE_ptr 0x00 /* pointer-sized unsigned value */
+#define DW_EH_PE_udata4 0x03 /* unsigned 32-bit value */
+#define DW_EH_PE_udata8 0x04 /* unsigned 64-bit value */
+#define DW_EH_PE_sdata4 0x0b /* signed 32-bit value */
+#define DW_EH_PE_sdata8 0x0c /* signed 64-bit value */
+
+/* Pointer-encoding application: */
+#define DW_EH_PE_absptr 0x00 /* absolute value */
+#define DW_EH_PE_pcrel 0x10 /* rel. to addr. of encoded value */
+
+/*
+ * The following are not documented by LSB v1.3, yet they are used by
+ * GCC, presumably they aren't documented by LSB since they aren't
+ * used on Linux:
+ */
+#define DW_EH_PE_funcrel 0x40 /* start-of-procedure-relative */
+#define DW_EH_PE_aligned 0x50 /* aligned pointer */
+
+/* Flags intentionaly not handled, since they're not needed:
+ * #define DW_EH_PE_indirect 0x80
+ * #define DW_EH_PE_uleb128 0x01
+ * #define DW_EH_PE_udata2 0x02
+ * #define DW_EH_PE_sleb128 0x09
+ * #define DW_EH_PE_sdata2 0x0a
+ * #define DW_EH_PE_textrel 0x20
+ * #define DW_EH_PE_datarel 0x30
+ */
+
+struct unwind_info {
+ struct perf_sample *sample;
+ struct machine *machine;
+ struct thread *thread;
+ u64 sample_uregs;
+};
+
+#define dw_read(ptr, type, end) ({ \
+ type *__p = (type *) ptr; \
+ type __v; \
+ if ((__p + 1) > (type *) end) \
+ return -EINVAL; \
+ __v = *__p++; \
+ ptr = (typeof(ptr)) __p; \
+ __v; \
+ })
+
+static int __dw_read_encoded_value(u8 **p, u8 *end, u64 *val,
+ u8 encoding)
+{
+ u8 *cur = *p;
+ *val = 0;
+
+ switch (encoding) {
+ case DW_EH_PE_omit:
+ *val = 0;
+ goto out;
+ case DW_EH_PE_ptr:
+ *val = dw_read(cur, unsigned long, end);
+ goto out;
+ default:
+ break;
+ }
+
+ switch (encoding & DW_EH_PE_APPL_MASK) {
+ case DW_EH_PE_absptr:
+ break;
+ case DW_EH_PE_pcrel:
+ *val = (unsigned long) cur;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if ((encoding & 0x07) == 0x00)
+ encoding |= DW_EH_PE_udata4;
+
+ switch (encoding & DW_EH_PE_FORMAT_MASK) {
+ case DW_EH_PE_sdata4:
+ *val += dw_read(cur, s32, end);
+ break;
+ case DW_EH_PE_udata4:
+ *val += dw_read(cur, u32, end);
+ break;
+ case DW_EH_PE_sdata8:
+ *val += dw_read(cur, s64, end);
+ break;
+ case DW_EH_PE_udata8:
+ *val += dw_read(cur, u64, end);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ out:
+ *p = cur;
+ return 0;
+}
+
+#define dw_read_encoded_value(ptr, end, enc) ({ \
+ u64 __v; \
+ if (__dw_read_encoded_value(&ptr, end, &__v, enc)) { \
+ return -EINVAL; \
+ } \
+ __v; \
+ })
+
+static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,
+ GElf_Shdr *shp, const char *name)
+{
+ Elf_Scn *sec = NULL;
+
+ while ((sec = elf_nextscn(elf, sec)) != NULL) {
+ char *str;
+
+ gelf_getshdr(sec, shp);
+ str = elf_strptr(elf, ep->e_shstrndx, shp->sh_name);
+ if (!strcmp(name, str))
+ break;
+ }
+
+ return sec;
+}
+
+static u64 elf_section_offset(int fd, const char *name)
+{
+ Elf *elf;
+ GElf_Ehdr ehdr;
+ GElf_Shdr shdr;
+ u64 offset = 0;
+
+ elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);
+ if (elf == NULL)
+ return 0;
+
+ do {
+ if (gelf_getehdr(elf, &ehdr) == NULL)
+ break;
+
+ if (!elf_section_by_name(elf, &ehdr, &shdr, name))
+ break;
+
+ offset = shdr.sh_offset;
+ } while (0);
+
+ elf_end(elf);
+ return offset;
+}
+
+struct table_entry {
+ u32 start_ip_offset;
+ u32 fde_offset;
+};
+
+struct eh_frame_hdr {
+ unsigned char version;
+ unsigned char eh_frame_ptr_enc;
+ unsigned char fde_count_enc;
+ unsigned char table_enc;
+
+ /*
+ * The rest of the header is variable-length and consists of the
+ * following members:
+ *
+ * encoded_t eh_frame_ptr;
+ * encoded_t fde_count;
+ */
+
+ /* A single encoded pointer should not be more than 8 bytes. */
+ u64 enc[2];
+
+ /*
+ * struct {
+ * encoded_t start_ip;
+ * encoded_t fde_addr;
+ * } binary_search_table[fde_count];
+ */
+ char data[0];
+} __packed;
+
+static int unwind_spec_ehframe(struct dso *dso, struct machine *machine,
+ u64 offset, u64 *table_data, u64 *segbase,
+ u64 *fde_count)
+{
+ struct eh_frame_hdr hdr;
+ u8 *enc = (u8 *) &hdr.enc;
+ u8 *end = (u8 *) &hdr.data;
+ ssize_t r;
+
+ r = dso__data_read_offset(dso, machine, offset,
+ (u8 *) &hdr, sizeof(hdr));
+ if (r != sizeof(hdr))
+ return -EINVAL;
+
+ /* We dont need eh_frame_ptr, just skip it. */
+ dw_read_encoded_value(enc, end, hdr.eh_frame_ptr_enc);
+
+ *fde_count = dw_read_encoded_value(enc, end, hdr.fde_count_enc);
+ *segbase = offset;
+ *table_data = (enc - (u8 *) &hdr) + offset;
+ return 0;
+}
+
+static int read_unwind_spec(struct dso *dso, struct machine *machine,
+ u64 *table_data, u64 *segbase, u64 *fde_count)
+{
+ int ret = -EINVAL, fd;
+ u64 offset;
+
+ fd = dso__data_fd(dso, machine);
+ if (fd < 0)
+ return -EINVAL;
+
+ offset = elf_section_offset(fd, ".eh_frame_hdr");
+ close(fd);
+
+ if (offset)
+ ret = unwind_spec_ehframe(dso, machine, offset,
+ table_data, segbase,
+ fde_count);
+
+ /* TODO .debug_frame check if eh_frame_hdr fails */
+ return ret;
+}
+
+static struct map *find_map(unw_word_t ip, struct unwind_info *ui)
+{
+ struct addr_location al;
+
+ thread__find_addr_map(ui->thread, ui->machine, PERF_RECORD_MISC_USER,
+ MAP__FUNCTION, ip, &al);
+ return al.map;
+}
+
+static int
+find_proc_info(unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi,
+ int need_unwind_info, void *arg)
+{
+ struct unwind_info *ui = arg;
+ struct map *map;
+ unw_dyn_info_t di;
+ u64 table_data, segbase, fde_count;
+
+ map = find_map(ip, ui);
+ if (!map || !map->dso)
+ return -EINVAL;
+
+ pr_debug("unwind: find_proc_info dso %s\n", map->dso->name);
+
+ if (read_unwind_spec(map->dso, ui->machine,
+ &table_data, &segbase, &fde_count))
+ return -EINVAL;
+
+ memset(&di, 0, sizeof(di));
+ di.format = UNW_INFO_FORMAT_REMOTE_TABLE;
+ di.start_ip = map->start;
+ di.end_ip = map->end;
+ di.u.rti.segbase = map->start + segbase;
+ di.u.rti.table_data = map->start + table_data;
+ di.u.rti.table_len = fde_count * sizeof(struct table_entry)
+ / sizeof(unw_word_t);
+ return dwarf_search_unwind_table(as, ip, &di, pi,
+ need_unwind_info, arg);
+}
+
+static int access_fpreg(unw_addr_space_t __maybe_unused as,
+ unw_regnum_t __maybe_unused num,
+ unw_fpreg_t __maybe_unused *val,
+ int __maybe_unused __write,
+ void __maybe_unused *arg)
+{
+ pr_err("unwind: access_fpreg unsupported\n");
+ return -UNW_EINVAL;
+}
+
+static int get_dyn_info_list_addr(unw_addr_space_t __maybe_unused as,
+ unw_word_t __maybe_unused *dil_addr,
+ void __maybe_unused *arg)
+{
+ return -UNW_ENOINFO;
+}
+
+static int resume(unw_addr_space_t __maybe_unused as,
+ unw_cursor_t __maybe_unused *cu,
+ void __maybe_unused *arg)
+{
+ pr_err("unwind: resume unsupported\n");
+ return -UNW_EINVAL;
+}
+
+static int
+get_proc_name(unw_addr_space_t __maybe_unused as,
+ unw_word_t __maybe_unused addr,
+ char __maybe_unused *bufp, size_t __maybe_unused buf_len,
+ unw_word_t __maybe_unused *offp, void __maybe_unused *arg)
+{
+ pr_err("unwind: get_proc_name unsupported\n");
+ return -UNW_EINVAL;
+}
+
+static int access_dso_mem(struct unwind_info *ui, unw_word_t addr,
+ unw_word_t *data)
+{
+ struct addr_location al;
+ ssize_t size;
+
+ thread__find_addr_map(ui->thread, ui->machine, PERF_RECORD_MISC_USER,
+ MAP__FUNCTION, addr, &al);
+ if (!al.map) {
+ pr_debug("unwind: no map for %lx\n", (unsigned long)addr);
+ return -1;
+ }
+
+ if (!al.map->dso)
+ return -1;
+
+ size = dso__data_read_addr(al.map->dso, al.map, ui->machine,
+ addr, (u8 *) data, sizeof(*data));
+
+ return !(size == sizeof(*data));
+}
+
+static int reg_value(unw_word_t *valp, struct regs_dump *regs, int id,
+ u64 sample_regs)
+{
+ int i, idx = 0;
+
+ if (!(sample_regs & (1 << id)))
+ return -EINVAL;
+
+ for (i = 0; i < id; i++) {
+ if (sample_regs & (1 << i))
+ idx++;
+ }
+
+ *valp = regs->regs[idx];
+ return 0;
+}
+
+static int access_mem(unw_addr_space_t __maybe_unused as,
+ unw_word_t addr, unw_word_t *valp,
+ int __write, void *arg)
+{
+ struct unwind_info *ui = arg;
+ struct stack_dump *stack = &ui->sample->user_stack;
+ unw_word_t start, end;
+ int offset;
+ int ret;
+
+ /* Don't support write, probably not needed. */
+ if (__write || !stack || !ui->sample->user_regs.regs) {
+ *valp = 0;
+ return 0;
+ }
+
+ ret = reg_value(&start, &ui->sample->user_regs, PERF_REG_SP,
+ ui->sample_uregs);
+ if (ret)
+ return ret;
+
+ end = start + stack->size;
+
+ /* Check overflow. */
+ if (addr + sizeof(unw_word_t) < addr)
+ return -EINVAL;
+
+ if (addr < start || addr + sizeof(unw_word_t) >= end) {
+ ret = access_dso_mem(ui, addr, valp);
+ if (ret) {
+ pr_debug("unwind: access_mem %p not inside range %p-%p\n",
+ (void *)addr, (void *)start, (void *)end);
+ *valp = 0;
+ return ret;
+ }
+ return 0;
+ }
+
+ offset = addr - start;
+ *valp = *(unw_word_t *)&stack->data[offset];
+ pr_debug("unwind: access_mem addr %p, val %lx, offset %d\n",
+ (void *)addr, (unsigned long)*valp, offset);
+ return 0;
+}
+
+static int access_reg(unw_addr_space_t __maybe_unused as,
+ unw_regnum_t regnum, unw_word_t *valp,
+ int __write, void *arg)
+{
+ struct unwind_info *ui = arg;
+ int id, ret;
+
+ /* Don't support write, I suspect we don't need it. */
+ if (__write) {
+ pr_err("unwind: access_reg w %d\n", regnum);
+ return 0;
+ }
+
+ if (!ui->sample->user_regs.regs) {
+ *valp = 0;
+ return 0;
+ }
+
+ id = unwind__arch_reg_id(regnum);
+ if (id < 0)
+ return -EINVAL;
+
+ ret = reg_value(valp, &ui->sample->user_regs, id, ui->sample_uregs);
+ if (ret) {
+ pr_err("unwind: can't read reg %d\n", regnum);
+ return ret;
+ }
+
+ pr_debug("unwind: reg %d, val %lx\n", regnum, (unsigned long)*valp);
+ return 0;
+}
+
+static void put_unwind_info(unw_addr_space_t __maybe_unused as,
+ unw_proc_info_t *pi __maybe_unused,
+ void *arg __maybe_unused)
+{
+ pr_debug("unwind: put_unwind_info called\n");
+}
+
+static int entry(u64 ip, struct thread *thread, struct machine *machine,
+ unwind_entry_cb_t cb, void *arg)
+{
+ struct unwind_entry e;
+ struct addr_location al;
+
+ thread__find_addr_location(thread, machine,
+ PERF_RECORD_MISC_USER,
+ MAP__FUNCTION, ip, &al, NULL);
+
+ e.ip = ip;
+ e.map = al.map;
+ e.sym = al.sym;
+
+ pr_debug("unwind: %s:ip = 0x%" PRIx64 " (0x%" PRIx64 ")\n",
+ al.sym ? al.sym->name : "''",
+ ip,
+ al.map ? al.map->map_ip(al.map, ip) : (u64) 0);
+
+ return cb(&e, arg);
+}
+
+static void display_error(int err)
+{
+ switch (err) {
+ case UNW_EINVAL:
+ pr_err("unwind: Only supports local.\n");
+ break;
+ case UNW_EUNSPEC:
+ pr_err("unwind: Unspecified error.\n");
+ break;
+ case UNW_EBADREG:
+ pr_err("unwind: Register unavailable.\n");
+ break;
+ default:
+ break;
+ }
+}
+
+static unw_accessors_t accessors = {
+ .find_proc_info = find_proc_info,
+ .put_unwind_info = put_unwind_info,
+ .get_dyn_info_list_addr = get_dyn_info_list_addr,
+ .access_mem = access_mem,
+ .access_reg = access_reg,
+ .access_fpreg = access_fpreg,
+ .resume = resume,
+ .get_proc_name = get_proc_name,
+};
+
+static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb,
+ void *arg)
+{
+ unw_addr_space_t addr_space;
+ unw_cursor_t c;
+ int ret;
+
+ addr_space = unw_create_addr_space(&accessors, 0);
+ if (!addr_space) {
+ pr_err("unwind: Can't create unwind address space.\n");
+ return -ENOMEM;
+ }
+
+ ret = unw_init_remote(&c, addr_space, ui);
+ if (ret)
+ display_error(ret);
+
+ while (!ret && (unw_step(&c) > 0)) {
+ unw_word_t ip;
+
+ unw_get_reg(&c, UNW_REG_IP, &ip);
+ ret = entry(ip, ui->thread, ui->machine, cb, arg);
+ }
+
+ unw_destroy_addr_space(addr_space);
+ return ret;
+}
+
+int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
+ struct machine *machine, struct thread *thread,
+ u64 sample_uregs, struct perf_sample *data)
+{
+ unw_word_t ip;
+ struct unwind_info ui = {
+ .sample = data,
+ .sample_uregs = sample_uregs,
+ .thread = thread,
+ .machine = machine,
+ };
+ int ret;
+
+ if (!data->user_regs.regs)
+ return -EINVAL;
+
+ ret = reg_value(&ip, &data->user_regs, PERF_REG_IP, sample_uregs);
+ if (ret)
+ return ret;
+
+ ret = entry(ip, thread, machine, cb, arg);
+ if (ret)
+ return -ENOMEM;
+
+ return get_entries(&ui, cb, arg);
+}
diff --git a/tools/perf/util/unwind.h b/tools/perf/util/unwind.h
new file mode 100644
index 000000000000..a78c8b303bb5
--- /dev/null
+++ b/tools/perf/util/unwind.h
@@ -0,0 +1,35 @@
+#ifndef __UNWIND_H
+#define __UNWIND_H
+
+#include "types.h"
+#include "event.h"
+#include "symbol.h"
+
+struct unwind_entry {
+ struct map *map;
+ struct symbol *sym;
+ u64 ip;
+};
+
+typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg);
+
+#ifndef NO_LIBUNWIND_SUPPORT
+int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
+ struct machine *machine,
+ struct thread *thread,
+ u64 sample_uregs,
+ struct perf_sample *data);
+int unwind__arch_reg_id(int regnum);
+#else
+static inline int
+unwind__get_entries(unwind_entry_cb_t cb __maybe_unused,
+ void *arg __maybe_unused,
+ struct machine *machine __maybe_unused,
+ struct thread *thread __maybe_unused,
+ u64 sample_uregs __maybe_unused,
+ struct perf_sample *data __maybe_unused)
+{
+ return 0;
+}
+#endif /* NO_LIBUNWIND_SUPPORT */
+#endif /* __UNWIND_H */
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index d03599fbe78b..2055cf38041c 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -1,6 +1,11 @@
#include "../perf.h"
#include "util.h"
#include <sys/mman.h>
+#ifndef NO_BACKTRACE
+#include <execinfo.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
/*
* XXX We need to find a better place for these things...
@@ -158,3 +163,23 @@ size_t hex_width(u64 v)
return n;
}
+
+/* Obtain a backtrace and print it to stdout. */
+#ifndef NO_BACKTRACE
+void dump_stack(void)
+{
+ void *array[16];
+ size_t size = backtrace(array, ARRAY_SIZE(array));
+ char **strings = backtrace_symbols(array, size);
+ size_t i;
+
+ printf("Obtained %zd stack frames.\n", size);
+
+ for (i = 0; i < size; i++)
+ printf("%s\n", strings[i]);
+
+ free(strings);
+}
+#else
+void dump_stack(void) {}
+#endif
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index b13c7331eaf8..70fa70b535b2 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -69,13 +69,8 @@
#include <sys/poll.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
-#include <sys/select.h>
-#include <netinet/in.h>
-#include <netinet/tcp.h>
-#include <arpa/inet.h>
-#include <netdb.h>
#include <inttypes.h>
-#include "../../../include/linux/magic.h"
+#include <linux/magic.h>
#include "types.h"
#include <sys/ttydefaults.h>
@@ -266,4 +261,6 @@ size_t hex_width(u64 v);
char *rtrim(char *s);
+void dump_stack(void);
+
#endif
diff --git a/tools/perf/util/vdso.c b/tools/perf/util/vdso.c
new file mode 100644
index 000000000000..e60951fcdb12
--- /dev/null
+++ b/tools/perf/util/vdso.c
@@ -0,0 +1,111 @@
+
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <linux/kernel.h>
+
+#include "vdso.h"
+#include "util.h"
+#include "symbol.h"
+#include "linux/string.h"
+
+static bool vdso_found;
+static char vdso_file[] = "/tmp/perf-vdso.so-XXXXXX";
+
+static int find_vdso_map(void **start, void **end)
+{
+ FILE *maps;
+ char line[128];
+ int found = 0;
+
+ maps = fopen("/proc/self/maps", "r");
+ if (!maps) {
+ pr_err("vdso: cannot open maps\n");
+ return -1;
+ }
+
+ while (!found && fgets(line, sizeof(line), maps)) {
+ int m = -1;
+
+ /* We care only about private r-x mappings. */
+ if (2 != sscanf(line, "%p-%p r-xp %*x %*x:%*x %*u %n",
+ start, end, &m))
+ continue;
+ if (m < 0)
+ continue;
+
+ if (!strncmp(&line[m], VDSO__MAP_NAME,
+ sizeof(VDSO__MAP_NAME) - 1))
+ found = 1;
+ }
+
+ fclose(maps);
+ return !found;
+}
+
+static char *get_file(void)
+{
+ char *vdso = NULL;
+ char *buf = NULL;
+ void *start, *end;
+ size_t size;
+ int fd;
+
+ if (vdso_found)
+ return vdso_file;
+
+ if (find_vdso_map(&start, &end))
+ return NULL;
+
+ size = end - start;
+
+ buf = memdup(start, size);
+ if (!buf)
+ return NULL;
+
+ fd = mkstemp(vdso_file);
+ if (fd < 0)
+ goto out;
+
+ if (size == (size_t) write(fd, buf, size))
+ vdso = vdso_file;
+
+ close(fd);
+
+ out:
+ free(buf);
+
+ vdso_found = (vdso != NULL);
+ return vdso;
+}
+
+void vdso__exit(void)
+{
+ if (vdso_found)
+ unlink(vdso_file);
+}
+
+struct dso *vdso__dso_findnew(struct list_head *head)
+{
+ struct dso *dso = dsos__find(head, VDSO__MAP_NAME);
+
+ if (!dso) {
+ char *file;
+
+ file = get_file();
+ if (!file)
+ return NULL;
+
+ dso = dso__new(VDSO__MAP_NAME);
+ if (dso != NULL) {
+ dsos__add(head, dso);
+ dso__set_long_name(dso, file);
+ }
+ }
+
+ return dso;
+}
diff --git a/tools/perf/util/vdso.h b/tools/perf/util/vdso.h
new file mode 100644
index 000000000000..0f76e7caf6f8
--- /dev/null
+++ b/tools/perf/util/vdso.h
@@ -0,0 +1,18 @@
+#ifndef __PERF_VDSO__
+#define __PERF_VDSO__
+
+#include <linux/types.h>
+#include <string.h>
+#include <stdbool.h>
+
+#define VDSO__MAP_NAME "[vdso]"
+
+static inline bool is_vdso_map(const char *filename)
+{
+ return !strcmp(filename, VDSO__MAP_NAME);
+}
+
+struct dso *vdso__dso_findnew(struct list_head *head);
+void vdso__exit(void);
+
+#endif /* __PERF_VDSO__ */
diff --git a/tools/perf/util/wrapper.c b/tools/perf/util/wrapper.c
index 73e900edb5a2..19f15b650703 100644
--- a/tools/perf/util/wrapper.c
+++ b/tools/perf/util/wrapper.c
@@ -7,7 +7,8 @@
* There's no pack memory to release - but stay close to the Git
* version so wrap this away:
*/
-static inline void release_pack_memory(size_t size __used, int flag __used)
+static inline void release_pack_memory(size_t size __maybe_unused,
+ int flag __maybe_unused)
{
}