diff options
Diffstat (limited to 'deps/jemalloc/src/stats.c')
| -rw-r--r-- | deps/jemalloc/src/stats.c | 1286 |
1 files changed, 0 insertions, 1286 deletions
diff --git a/deps/jemalloc/src/stats.c b/deps/jemalloc/src/stats.c deleted file mode 100644 index 08b9507cf..000000000 --- a/deps/jemalloc/src/stats.c +++ /dev/null @@ -1,1286 +0,0 @@ -#define JEMALLOC_STATS_C_ -#include "jemalloc/internal/jemalloc_preamble.h" -#include "jemalloc/internal/jemalloc_internal_includes.h" - -#include "jemalloc/internal/assert.h" -#include "jemalloc/internal/ctl.h" -#include "jemalloc/internal/emitter.h" -#include "jemalloc/internal/mutex.h" -#include "jemalloc/internal/mutex_prof.h" - -const char *global_mutex_names[mutex_prof_num_global_mutexes] = { -#define OP(mtx) #mtx, - MUTEX_PROF_GLOBAL_MUTEXES -#undef OP -}; - -const char *arena_mutex_names[mutex_prof_num_arena_mutexes] = { -#define OP(mtx) #mtx, - MUTEX_PROF_ARENA_MUTEXES -#undef OP -}; - -#define CTL_GET(n, v, t) do { \ - size_t sz = sizeof(t); \ - xmallctl(n, (void *)v, &sz, NULL, 0); \ -} while (0) - -#define CTL_M2_GET(n, i, v, t) do { \ - size_t mib[CTL_MAX_DEPTH]; \ - size_t miblen = sizeof(mib) / sizeof(size_t); \ - size_t sz = sizeof(t); \ - xmallctlnametomib(n, mib, &miblen); \ - mib[2] = (i); \ - xmallctlbymib(mib, miblen, (void *)v, &sz, NULL, 0); \ -} while (0) - -#define CTL_M2_M4_GET(n, i, j, v, t) do { \ - size_t mib[CTL_MAX_DEPTH]; \ - size_t miblen = sizeof(mib) / sizeof(size_t); \ - size_t sz = sizeof(t); \ - xmallctlnametomib(n, mib, &miblen); \ - mib[2] = (i); \ - mib[4] = (j); \ - xmallctlbymib(mib, miblen, (void *)v, &sz, NULL, 0); \ -} while (0) - -/******************************************************************************/ -/* Data. */ - -bool opt_stats_print = false; -char opt_stats_print_opts[stats_print_tot_num_options+1] = ""; - -/******************************************************************************/ - -/* Calculate x.yyy and output a string (takes a fixed sized char array). */ -static bool -get_rate_str(uint64_t dividend, uint64_t divisor, char str[6]) { - if (divisor == 0 || dividend > divisor) { - /* The rate is not supposed to be greater than 1. */ - return true; - } - if (dividend > 0) { - assert(UINT64_MAX / dividend >= 1000); - } - - unsigned n = (unsigned)((dividend * 1000) / divisor); - if (n < 10) { - malloc_snprintf(str, 6, "0.00%u", n); - } else if (n < 100) { - malloc_snprintf(str, 6, "0.0%u", n); - } else if (n < 1000) { - malloc_snprintf(str, 6, "0.%u", n); - } else { - malloc_snprintf(str, 6, "1"); - } - - return false; -} - -#define MUTEX_CTL_STR_MAX_LENGTH 128 -static void -gen_mutex_ctl_str(char *str, size_t buf_len, const char *prefix, - const char *mutex, const char *counter) { - malloc_snprintf(str, buf_len, "stats.%s.%s.%s", prefix, mutex, counter); -} - -static void -mutex_stats_init_cols(emitter_row_t *row, const char *table_name, - emitter_col_t *name, - emitter_col_t col_uint64_t[mutex_prof_num_uint64_t_counters], - emitter_col_t col_uint32_t[mutex_prof_num_uint32_t_counters]) { - mutex_prof_uint64_t_counter_ind_t k_uint64_t = 0; - mutex_prof_uint32_t_counter_ind_t k_uint32_t = 0; - - emitter_col_t *col; - - if (name != NULL) { - emitter_col_init(name, row); - name->justify = emitter_justify_left; - name->width = 21; - name->type = emitter_type_title; - name->str_val = table_name; - } - -#define WIDTH_uint32_t 12 -#define WIDTH_uint64_t 16 -#define OP(counter, counter_type, human) \ - col = &col_##counter_type[k_##counter_type]; \ - ++k_##counter_type; \ - emitter_col_init(col, row); \ - col->justify = emitter_justify_right; \ - col->width = WIDTH_##counter_type; \ - col->type = emitter_type_title; \ - col->str_val = human; - MUTEX_PROF_COUNTERS -#undef OP -#undef WIDTH_uint32_t -#undef WIDTH_uint64_t -} - -static void -mutex_stats_read_global(const char *name, emitter_col_t *col_name, - emitter_col_t col_uint64_t[mutex_prof_num_uint64_t_counters], - emitter_col_t col_uint32_t[mutex_prof_num_uint32_t_counters]) { - char cmd[MUTEX_CTL_STR_MAX_LENGTH]; - - col_name->str_val = name; - - emitter_col_t *dst; -#define EMITTER_TYPE_uint32_t emitter_type_uint32 -#define EMITTER_TYPE_uint64_t emitter_type_uint64 -#define OP(counter, counter_type, human) \ - dst = &col_##counter_type[mutex_counter_##counter]; \ - dst->type = EMITTER_TYPE_##counter_type; \ - gen_mutex_ctl_str(cmd, MUTEX_CTL_STR_MAX_LENGTH, \ - "mutexes", name, #counter); \ - CTL_GET(cmd, (counter_type *)&dst->bool_val, counter_type); - MUTEX_PROF_COUNTERS -#undef OP -#undef EMITTER_TYPE_uint32_t -#undef EMITTER_TYPE_uint64_t -} - -static void -mutex_stats_read_arena(unsigned arena_ind, mutex_prof_arena_ind_t mutex_ind, - const char *name, emitter_col_t *col_name, - emitter_col_t col_uint64_t[mutex_prof_num_uint64_t_counters], - emitter_col_t col_uint32_t[mutex_prof_num_uint32_t_counters]) { - char cmd[MUTEX_CTL_STR_MAX_LENGTH]; - - col_name->str_val = name; - - emitter_col_t *dst; -#define EMITTER_TYPE_uint32_t emitter_type_uint32 -#define EMITTER_TYPE_uint64_t emitter_type_uint64 -#define OP(counter, counter_type, human) \ - dst = &col_##counter_type[mutex_counter_##counter]; \ - dst->type = EMITTER_TYPE_##counter_type; \ - gen_mutex_ctl_str(cmd, MUTEX_CTL_STR_MAX_LENGTH, \ - "arenas.0.mutexes", arena_mutex_names[mutex_ind], #counter);\ - CTL_M2_GET(cmd, arena_ind, \ - (counter_type *)&dst->bool_val, counter_type); - MUTEX_PROF_COUNTERS -#undef OP -#undef EMITTER_TYPE_uint32_t -#undef EMITTER_TYPE_uint64_t -} - -static void -mutex_stats_read_arena_bin(unsigned arena_ind, unsigned bin_ind, - emitter_col_t col_uint64_t[mutex_prof_num_uint64_t_counters], - emitter_col_t col_uint32_t[mutex_prof_num_uint32_t_counters]) { - char cmd[MUTEX_CTL_STR_MAX_LENGTH]; - emitter_col_t *dst; - -#define EMITTER_TYPE_uint32_t emitter_type_uint32 -#define EMITTER_TYPE_uint64_t emitter_type_uint64 -#define OP(counter, counter_type, human) \ - dst = &col_##counter_type[mutex_counter_##counter]; \ - dst->type = EMITTER_TYPE_##counter_type; \ - gen_mutex_ctl_str(cmd, MUTEX_CTL_STR_MAX_LENGTH, \ - "arenas.0.bins.0","mutex", #counter); \ - CTL_M2_M4_GET(cmd, arena_ind, bin_ind, \ - (counter_type *)&dst->bool_val, counter_type); - MUTEX_PROF_COUNTERS -#undef OP -#undef EMITTER_TYPE_uint32_t -#undef EMITTER_TYPE_uint64_t -} - -/* "row" can be NULL to avoid emitting in table mode. */ -static void -mutex_stats_emit(emitter_t *emitter, emitter_row_t *row, - emitter_col_t col_uint64_t[mutex_prof_num_uint64_t_counters], - emitter_col_t col_uint32_t[mutex_prof_num_uint32_t_counters]) { - if (row != NULL) { - emitter_table_row(emitter, row); - } - - mutex_prof_uint64_t_counter_ind_t k_uint64_t = 0; - mutex_prof_uint32_t_counter_ind_t k_uint32_t = 0; - - emitter_col_t *col; - -#define EMITTER_TYPE_uint32_t emitter_type_uint32 -#define EMITTER_TYPE_uint64_t emitter_type_uint64 -#define OP(counter, type, human) \ - col = &col_##type[k_##type]; \ - ++k_##type; \ - emitter_json_kv(emitter, #counter, EMITTER_TYPE_##type, \ - (const void *)&col->bool_val); - MUTEX_PROF_COUNTERS; -#undef OP -#undef EMITTER_TYPE_uint32_t -#undef EMITTER_TYPE_uint64_t -} - -static void -stats_arena_bins_print(emitter_t *emitter, bool mutex, unsigned i) { - size_t page; - bool in_gap, in_gap_prev; - unsigned nbins, j; - - CTL_GET("arenas.page", &page, size_t); - - CTL_GET("arenas.nbins", &nbins, unsigned); - - emitter_row_t header_row; - emitter_row_init(&header_row); - - emitter_row_t row; - emitter_row_init(&row); -#define COL(name, left_or_right, col_width, etype) \ - emitter_col_t col_##name; \ - emitter_col_init(&col_##name, &row); \ - col_##name.justify = emitter_justify_##left_or_right; \ - col_##name.width = col_width; \ - col_##name.type = emitter_type_##etype; \ - emitter_col_t header_col_##name; \ - emitter_col_init(&header_col_##name, &header_row); \ - header_col_##name.justify = emitter_justify_##left_or_right; \ - header_col_##name.width = col_width; \ - header_col_##name.type = emitter_type_title; \ - header_col_##name.str_val = #name; - - COL(size, right, 20, size) - COL(ind, right, 4, unsigned) - COL(allocated, right, 13, uint64) - COL(nmalloc, right, 13, uint64) - COL(ndalloc, right, 13, uint64) - COL(nrequests, right, 13, uint64) - COL(curregs, right, 13, size) - COL(curslabs, right, 13, size) - COL(regs, right, 5, unsigned) - COL(pgs, right, 4, size) - /* To buffer a right- and left-justified column. */ - COL(justify_spacer, right, 1, title) - COL(util, right, 6, title) - COL(nfills, right, 13, uint64) - COL(nflushes, right, 13, uint64) - COL(nslabs, right, 13, uint64) - COL(nreslabs, right, 13, uint64) -#undef COL - - /* Don't want to actually print the name. */ - header_col_justify_spacer.str_val = " "; - col_justify_spacer.str_val = " "; - - - emitter_col_t col_mutex64[mutex_prof_num_uint64_t_counters]; - emitter_col_t col_mutex32[mutex_prof_num_uint32_t_counters]; - - emitter_col_t header_mutex64[mutex_prof_num_uint64_t_counters]; - emitter_col_t header_mutex32[mutex_prof_num_uint32_t_counters]; - - if (mutex) { - mutex_stats_init_cols(&row, NULL, NULL, col_mutex64, - col_mutex32); - mutex_stats_init_cols(&header_row, NULL, NULL, header_mutex64, - header_mutex32); - } - - /* - * We print a "bins:" header as part of the table row; we need to adjust - * the header size column to compensate. - */ - header_col_size.width -=5; - emitter_table_printf(emitter, "bins:"); - emitter_table_row(emitter, &header_row); - emitter_json_arr_begin(emitter, "bins"); - - for (j = 0, in_gap = false; j < nbins; j++) { - uint64_t nslabs; - size_t reg_size, slab_size, curregs; - size_t curslabs; - uint32_t nregs; - uint64_t nmalloc, ndalloc, nrequests, nfills, nflushes; - uint64_t nreslabs; - - CTL_M2_M4_GET("stats.arenas.0.bins.0.nslabs", i, j, &nslabs, - uint64_t); - in_gap_prev = in_gap; - in_gap = (nslabs == 0); - - if (in_gap_prev && !in_gap) { - emitter_table_printf(emitter, - " ---\n"); - } - - CTL_M2_GET("arenas.bin.0.size", j, ®_size, size_t); - CTL_M2_GET("arenas.bin.0.nregs", j, &nregs, uint32_t); - CTL_M2_GET("arenas.bin.0.slab_size", j, &slab_size, size_t); - - CTL_M2_M4_GET("stats.arenas.0.bins.0.nmalloc", i, j, &nmalloc, - uint64_t); - CTL_M2_M4_GET("stats.arenas.0.bins.0.ndalloc", i, j, &ndalloc, - uint64_t); - CTL_M2_M4_GET("stats.arenas.0.bins.0.curregs", i, j, &curregs, - size_t); - CTL_M2_M4_GET("stats.arenas.0.bins.0.nrequests", i, j, - &nrequests, uint64_t); - CTL_M2_M4_GET("stats.arenas.0.bins.0.nfills", i, j, &nfills, - uint64_t); - CTL_M2_M4_GET("stats.arenas.0.bins.0.nflushes", i, j, &nflushes, - uint64_t); - CTL_M2_M4_GET("stats.arenas.0.bins.0.nreslabs", i, j, &nreslabs, - uint64_t); - CTL_M2_M4_GET("stats.arenas.0.bins.0.curslabs", i, j, &curslabs, - size_t); - - if (mutex) { - mutex_stats_read_arena_bin(i, j, col_mutex64, - col_mutex32); - } - - emitter_json_arr_obj_begin(emitter); - emitter_json_kv(emitter, "nmalloc", emitter_type_uint64, - &nmalloc); - emitter_json_kv(emitter, "ndalloc", emitter_type_uint64, - &ndalloc); - emitter_json_kv(emitter, "curregs", emitter_type_size, - &curregs); - emitter_json_kv(emitter, "nrequests", emitter_type_uint64, - &nrequests); - emitter_json_kv(emitter, "nfills", emitter_type_uint64, - &nfills); - emitter_json_kv(emitter, "nflushes", emitter_type_uint64, - &nflushes); - emitter_json_kv(emitter, "nreslabs", emitter_type_uint64, - &nreslabs); - emitter_json_kv(emitter, "curslabs", emitter_type_size, - &curslabs); - if (mutex) { - emitter_json_dict_begin(emitter, "mutex"); - mutex_stats_emit(emitter, NULL, col_mutex64, - col_mutex32); - emitter_json_dict_end(emitter); - } - emitter_json_arr_obj_end(emitter); - - size_t availregs = nregs * curslabs; - char util[6]; - if (get_rate_str((uint64_t)curregs, (uint64_t)availregs, util)) - { - if (availregs == 0) { - malloc_snprintf(util, sizeof(util), "1"); - } else if (curregs > availregs) { - /* - * Race detected: the counters were read in - * separate mallctl calls and concurrent - * operations happened in between. In this case - * no meaningful utilization can be computed. - */ - malloc_snprintf(util, sizeof(util), " race"); - } else { - not_reached(); - } - } - - col_size.size_val = reg_size; - col_ind.unsigned_val = j; - col_allocated.size_val = curregs * reg_size; - col_nmalloc.uint64_val = nmalloc; - col_ndalloc.uint64_val = ndalloc; - col_nrequests.uint64_val = nrequests; - col_curregs.size_val = curregs; - col_curslabs.size_val = curslabs; - col_regs.unsigned_val = nregs; - col_pgs.size_val = slab_size / page; - col_util.str_val = util; - col_nfills.uint64_val = nfills; - col_nflushes.uint64_val = nflushes; - col_nslabs.uint64_val = nslabs; - col_nreslabs.uint64_val = nreslabs; - - /* - * Note that mutex columns were initialized above, if mutex == - * true. - */ - - emitter_table_row(emitter, &row); - } - emitter_json_arr_end(emitter); /* Close "bins". */ - - if (in_gap) { - emitter_table_printf(emitter, " ---\n"); - } -} - -static void -stats_arena_lextents_print(emitter_t *emitter, unsigned i) { - unsigned nbins, nlextents, j; - bool in_gap, in_gap_prev; - - CTL_GET("arenas.nbins", &nbins, unsigned); - CTL_GET("arenas.nlextents", &nlextents, unsigned); - - emitter_row_t header_row; - emitter_row_init(&header_row); - emitter_row_t row; - emitter_row_init(&row); - -#define COL(name, left_or_right, col_width, etype) \ - emitter_col_t header_##name; \ - emitter_col_init(&header_##name, &header_row); \ - header_##name.justify = emitter_justify_##left_or_right; \ - header_##name.width = col_width; \ - header_##name.type = emitter_type_title; \ - header_##name.str_val = #name; \ - \ - emitter_col_t col_##name; \ - emitter_col_init(&col_##name, &row); \ - col_##name.justify = emitter_justify_##left_or_right; \ - col_##name.width = col_width; \ - col_##name.type = emitter_type_##etype; - - COL(size, right, 20, size) - COL(ind, right, 4, unsigned) - COL(allocated, right, 13, size) - COL(nmalloc, right, 13, uint64) - COL(ndalloc, right, 13, uint64) - COL(nrequests, right, 13, uint64) - COL(curlextents, right, 13, size) -#undef COL - - /* As with bins, we label the large extents table. */ - header_size.width -= 6; - emitter_table_printf(emitter, "large:"); - emitter_table_row(emitter, &header_row); - emitter_json_arr_begin(emitter, "lextents"); - - for (j = 0, in_gap = false; j < nlextents; j++) { - uint64_t nmalloc, ndalloc, nrequests; - size_t lextent_size, curlextents; - - CTL_M2_M4_GET("stats.arenas.0.lextents.0.nmalloc", i, j, - &nmalloc, uint64_t); - CTL_M2_M4_GET("stats.arenas.0.lextents.0.ndalloc", i, j, - &ndalloc, uint64_t); - CTL_M2_M4_GET("stats.arenas.0.lextents.0.nrequests", i, j, - &nrequests, uint64_t); - in_gap_prev = in_gap; - in_gap = (nrequests == 0); - - if (in_gap_prev && !in_gap) { - emitter_table_printf(emitter, - " ---\n"); - } - - CTL_M2_GET("arenas.lextent.0.size", j, &lextent_size, size_t); - CTL_M2_M4_GET("stats.arenas.0.lextents.0.curlextents", i, j, - &curlextents, size_t); - - emitter_json_arr_obj_begin(emitter); - emitter_json_kv(emitter, "curlextents", emitter_type_size, - &curlextents); - emitter_json_arr_obj_end(emitter); - - col_size.size_val = lextent_size; - col_ind.unsigned_val = nbins + j; - col_allocated.size_val = curlextents * lextent_size; - col_nmalloc.uint64_val = nmalloc; - col_ndalloc.uint64_val = ndalloc; - col_nrequests.uint64_val = nrequests; - col_curlextents.size_val = curlextents; - - if (!in_gap) { - emitter_table_row(emitter, &row); - } - } - emitter_json_arr_end(emitter); /* Close "lextents". */ - if (in_gap) { - emitter_table_printf(emitter, " ---\n"); - } -} - -static void -stats_arena_mutexes_print(emitter_t *emitter, unsigned arena_ind) { - emitter_row_t row; - emitter_col_t col_name; - emitter_col_t col64[mutex_prof_num_uint64_t_counters]; - emitter_col_t col32[mutex_prof_num_uint32_t_counters]; - - emitter_row_init(&row); - mutex_stats_init_cols(&row, "", &col_name, col64, col32); - - emitter_json_dict_begin(emitter, "mutexes"); - emitter_table_row(emitter, &row); - - for (mutex_prof_arena_ind_t i = 0; i < mutex_prof_num_arena_mutexes; - i++) { - const char *name = arena_mutex_names[i]; - emitter_json_dict_begin(emitter, name); - mutex_stats_read_arena(arena_ind, i, name, &col_name, col64, - col32); - mutex_stats_emit(emitter, &row, col64, col32); - emitter_json_dict_end(emitter); /* Close the mutex dict. */ - } - emitter_json_dict_end(emitter); /* End "mutexes". */ -} - -static void -stats_arena_print(emitter_t *emitter, unsigned i, bool bins, bool large, - bool mutex) { - unsigned nthreads; - const char *dss; - ssize_t dirty_decay_ms, muzzy_decay_ms; - size_t page, pactive, pdirty, pmuzzy, mapped, retained; - size_t base, internal, resident, metadata_thp; - uint64_t dirty_npurge, dirty_nmadvise, dirty_purged; - uint64_t muzzy_npurge, muzzy_nmadvise, muzzy_purged; - size_t small_allocated; - uint64_t small_nmalloc, small_ndalloc, small_nrequests; - size_t large_allocated; - uint64_t large_nmalloc, large_ndalloc, large_nrequests; - size_t tcache_bytes; - uint64_t uptime; - - CTL_GET("arenas.page", &page, size_t); - - CTL_M2_GET("stats.arenas.0.nthreads", i, &nthreads, unsigned); - emitter_kv(emitter, "nthreads", "assigned threads", - emitter_type_unsigned, &nthreads); - - CTL_M2_GET("stats.arenas.0.uptime", i, &uptime, uint64_t); - emitter_kv(emitter, "uptime_ns", "uptime", emitter_type_uint64, - &uptime); - - CTL_M2_GET("stats.arenas.0.dss", i, &dss, const char *); - emitter_kv(emitter, "dss", "dss allocation precedence", - emitter_type_string, &dss); - - CTL_M2_GET("stats.arenas.0.dirty_decay_ms", i, &dirty_decay_ms, - ssize_t); - CTL_M2_GET("stats.arenas.0.muzzy_decay_ms", i, &muzzy_decay_ms, - ssize_t); - CTL_M2_GET("stats.arenas.0.pactive", i, &pactive, size_t); - CTL_M2_GET("stats.arenas.0.pdirty", i, &pdirty, size_t); - CTL_M2_GET("stats.arenas.0.pmuzzy", i, &pmuzzy, size_t); - CTL_M2_GET("stats.arenas.0.dirty_npurge", i, &dirty_npurge, uint64_t); - CTL_M2_GET("stats.arenas.0.dirty_nmadvise", i, &dirty_nmadvise, - uint64_t); - CTL_M2_GET("stats.arenas.0.dirty_purged", i, &dirty_purged, uint64_t); - CTL_M2_GET("stats.arenas.0.muzzy_npurge", i, &muzzy_npurge, uint64_t); - CTL_M2_GET("stats.arenas.0.muzzy_nmadvise", i, &muzzy_nmadvise, - uint64_t); - CTL_M2_GET("stats.arenas.0.muzzy_purged", i, &muzzy_purged, uint64_t); - - emitter_row_t decay_row; - emitter_row_init(&decay_row); - - /* JSON-style emission. */ - emitter_json_kv(emitter, "dirty_decay_ms", emitter_type_ssize, - &dirty_decay_ms); - emitter_json_kv(emitter, "muzzy_decay_ms", emitter_type_ssize, - &muzzy_decay_ms); - - emitter_json_kv(emitter, "pactive", emitter_type_size, &pactive); - emitter_json_kv(emitter, "pdirty", emitter_type_size, &pdirty); - emitter_json_kv(emitter, "pmuzzy", emitter_type_size, &pmuzzy); - - emitter_json_kv(emitter, "dirty_npurge", emitter_type_uint64, - &dirty_npurge); - emitter_json_kv(emitter, "dirty_nmadvise", emitter_type_uint64, - &dirty_nmadvise); - emitter_json_kv(emitter, "dirty_purged", emitter_type_uint64, - &dirty_purged); - - emitter_json_kv(emitter, "muzzy_npurge", emitter_type_uint64, - &muzzy_npurge); - emitter_json_kv(emitter, "muzzy_nmadvise", emitter_type_uint64, - &muzzy_nmadvise); - emitter_json_kv(emitter, "muzzy_purged", emitter_type_uint64, - &muzzy_purged); - - /* Table-style emission. */ - emitter_col_t decay_type; - emitter_col_init(&decay_type, &decay_row); - decay_type.justify = emitter_justify_right; - decay_type.width = 9; - decay_type.type = emitter_type_title; - decay_type.str_val = "decaying:"; - - emitter_col_t decay_time; - emitter_col_init(&decay_time, &decay_row); - decay_time.justify = emitter_justify_right; - decay_time.width = 6; - decay_time.type = emitter_type_title; - decay_time.str_val = "time"; - - emitter_col_t decay_npages; - emitter_col_init(&decay_npages, &decay_row); - decay_npages.justify = emitter_justify_right; - decay_npages.width = 13; - decay_npages.type = emitter_type_title; - decay_npages.str_val = "npages"; - - emitter_col_t decay_sweeps; - emitter_col_init(&decay_sweeps, &decay_row); - decay_sweeps.justify = emitter_justify_right; - decay_sweeps.width = 13; - decay_sweeps.type = emitter_type_title; - decay_sweeps.str_val = "sweeps"; - - emitter_col_t decay_madvises; - emitter_col_init(&decay_madvises, &decay_row); - decay_madvises.justify = emitter_justify_right; - decay_madvises.width = 13; - decay_madvises.type = emitter_type_title; - decay_madvises.str_val = "madvises"; - - emitter_col_t decay_purged; - emitter_col_init(&decay_purged, &decay_row); - decay_purged.justify = emitter_justify_right; - decay_purged.width = 13; - decay_purged.type = emitter_type_title; - decay_purged.str_val = "purged"; - - /* Title row. */ - emitter_table_row(emitter, &decay_row); - - /* Dirty row. */ - decay_type.str_val = "dirty:"; - - if (dirty_decay_ms >= 0) { - decay_time.type = emitter_type_ssize; - decay_time.ssize_val = dirty_decay_ms; - } else { - decay_time.type = emitter_type_title; - decay_time.str_val = "N/A"; - } - - decay_npages.type = emitter_type_size; - decay_npages.size_val = pdirty; - - decay_sweeps.type = emitter_type_uint64; - decay_sweeps.uint64_val = dirty_npurge; - - decay_madvises.type = emitter_type_uint64; - decay_madvises.uint64_val = dirty_nmadvise; - - decay_purged.type = emitter_type_uint64; - decay_purged.uint64_val = dirty_purged; - - emitter_table_row(emitter, &decay_row); - - /* Muzzy row. */ - decay_type.str_val = "muzzy:"; - - if (muzzy_decay_ms >= 0) { - decay_time.type = emitter_type_ssize; - decay_time.ssize_val = muzzy_decay_ms; - } else { - decay_time.type = emitter_type_title; - decay_time.str_val = "N/A"; - } - - decay_npages.type = emitter_type_size; - decay_npages.size_val = pmuzzy; - - decay_sweeps.type = emitter_type_uint64; - decay_sweeps.uint64_val = muzzy_npurge; - - decay_madvises.type = emitter_type_uint64; - decay_madvises.uint64_val = muzzy_nmadvise; - - decay_purged.type = emitter_type_uint64; - decay_purged.uint64_val = muzzy_purged; - - emitter_table_row(emitter, &decay_row); - - /* Small / large / total allocation counts. */ - emitter_row_t alloc_count_row; - emitter_row_init(&alloc_count_row); - - emitter_col_t alloc_count_title; - emitter_col_init(&alloc_count_title, &alloc_count_row); - alloc_count_title.justify = emitter_justify_left; - alloc_count_title.width = 25; - alloc_count_title.type = emitter_type_title; - alloc_count_title.str_val = ""; - - emitter_col_t alloc_count_allocated; - emitter_col_init(&alloc_count_allocated, &alloc_count_row); - alloc_count_allocated.justify = emitter_justify_right; - alloc_count_allocated.width = 12; - alloc_count_allocated.type = emitter_type_title; - alloc_count_allocated.str_val = "allocated"; - - emitter_col_t alloc_count_nmalloc; - emitter_col_init(&alloc_count_nmalloc, &alloc_count_row); - alloc_count_nmalloc.justify = emitter_justify_right; - alloc_count_nmalloc.width = 12; - alloc_count_nmalloc.type = emitter_type_title; - alloc_count_nmalloc.str_val = "nmalloc"; - - emitter_col_t alloc_count_ndalloc; - emitter_col_init(&alloc_count_ndalloc, &alloc_count_row); - alloc_count_ndalloc.justify = emitter_justify_right; - alloc_count_ndalloc.width = 12; - alloc_count_ndalloc.type = emitter_type_title; - alloc_count_ndalloc.str_val = "ndalloc"; - - emitter_col_t alloc_count_nrequests; - emitter_col_init(&alloc_count_nrequests, &alloc_count_row); - alloc_count_nrequests.justify = emitter_justify_right; - alloc_count_nrequests.width = 12; - alloc_count_nrequests.type = emitter_type_title; - alloc_count_nrequests.str_val = "nrequests"; - - emitter_table_row(emitter, &alloc_count_row); - -#define GET_AND_EMIT_ALLOC_STAT(small_or_large, name, valtype) \ - CTL_M2_GET("stats.arenas.0." #small_or_large "." #name, i, \ - &small_or_large##_##name, valtype##_t); \ - emitter_json_kv(emitter, #name, emitter_type_##valtype, \ - &small_or_large##_##name); \ - alloc_count_##name.type = emitter_type_##valtype; \ - alloc_count_##name.valtype##_val = small_or_large##_##name; - - emitter_json_dict_begin(emitter, "small"); - alloc_count_title.str_val = "small:"; - - GET_AND_EMIT_ALLOC_STAT(small, allocated, size) - GET_AND_EMIT_ALLOC_STAT(small, nmalloc, uint64) - GET_AND_EMIT_ALLOC_STAT(small, ndalloc, uint64) - GET_AND_EMIT_ALLOC_STAT(small, nrequests, uint64) - - emitter_table_row(emitter, &alloc_count_row); - emitter_json_dict_end(emitter); /* Close "small". */ - - emitter_json_dict_begin(emitter, "large"); - alloc_count_title.str_val = "large:"; - - GET_AND_EMIT_ALLOC_STAT(large, allocated, size) - GET_AND_EMIT_ALLOC_STAT(large, nmalloc, uint64) - GET_AND_EMIT_ALLOC_STAT(large, ndalloc, uint64) - GET_AND_EMIT_ALLOC_STAT(large, nrequests, uint64) - - emitter_table_row(emitter, &alloc_count_row); - emitter_json_dict_end(emitter); /* Close "large". */ - -#undef GET_AND_EMIT_ALLOC_STAT - - /* Aggregated small + large stats are emitter only in table mode. */ - alloc_count_title.str_val = "total:"; - alloc_count_allocated.size_val = small_allocated + large_allocated; - alloc_count_nmalloc.uint64_val = small_nmalloc + large_nmalloc; - alloc_count_ndalloc.uint64_val = small_ndalloc + large_ndalloc; - alloc_count_nrequests.uint64_val = small_nrequests + large_nrequests; - emitter_table_row(emitter, &alloc_count_row); - - emitter_row_t mem_count_row; - emitter_row_init(&mem_count_row); - - emitter_col_t mem_count_title; - emitter_col_init(&mem_count_title, &mem_count_row); - mem_count_title.justify = emitter_justify_left; - mem_count_title.width = 25; - mem_count_title.type = emitter_type_title; - mem_count_title.str_val = ""; - - emitter_col_t mem_count_val; - emitter_col_init(&mem_count_val, &mem_count_row); - mem_count_val.justify = emitter_justify_right; - mem_count_val.width = 12; - mem_count_val.type = emitter_type_title; - mem_count_val.str_val = ""; - - emitter_table_row(emitter, &mem_count_row); - mem_count_val.type = emitter_type_size; - - /* Active count in bytes is emitted only in table mode. */ - mem_count_title.str_val = "active:"; - mem_count_val.size_val = pactive * page; - emitter_table_row(emitter, &mem_count_row); - -#define GET_AND_EMIT_MEM_STAT(stat) \ - CTL_M2_GET("stats.arenas.0."#stat, i, &stat, size_t); \ - emitter_json_kv(emitter, #stat, emitter_type_size, &stat); \ - mem_count_title.str_val = #stat":"; \ - mem_count_val.size_val = stat; \ - emitter_table_row(emitter, &mem_count_row); - - GET_AND_EMIT_MEM_STAT(mapped) - GET_AND_EMIT_MEM_STAT(retained) - GET_AND_EMIT_MEM_STAT(base) - GET_AND_EMIT_MEM_STAT(internal) - GET_AND_EMIT_MEM_STAT(metadata_thp) - GET_AND_EMIT_MEM_STAT(tcache_bytes) - GET_AND_EMIT_MEM_STAT(resident) -#undef GET_AND_EMIT_MEM_STAT - - if (mutex) { - stats_arena_mutexes_print(emitter, i); - } - if (bins) { - stats_arena_bins_print(emitter, mutex, i); - } - if (large) { - stats_arena_lextents_print(emitter, i); - } -} - -static void -stats_general_print(emitter_t *emitter) { - const char *cpv; - bool bv, bv2; - unsigned uv; - uint32_t u32v; - uint64_t u64v; - ssize_t ssv, ssv2; - size_t sv, bsz, usz, ssz, sssz, cpsz; - - bsz = sizeof(bool); - usz = sizeof(unsigned); - ssz = sizeof(size_t); - sssz = sizeof(ssize_t); - cpsz = sizeof(const char *); - - CTL_GET("version", &cpv, const char *); - emitter_kv(emitter, "version", "Version", emitter_type_string, &cpv); - - /* config. */ - emitter_dict_begin(emitter, "config", "Build-time option settings"); -#define CONFIG_WRITE_BOOL(name) \ - do { \ - CTL_GET("config."#name, &bv, bool); \ - emitter_kv(emitter, #name, "config."#name, \ - emitter_type_bool, &bv); \ - } while (0) - - CONFIG_WRITE_BOOL(cache_oblivious); - CONFIG_WRITE_BOOL(debug); - CONFIG_WRITE_BOOL(fill); - CONFIG_WRITE_BOOL(lazy_lock); - emitter_kv(emitter, "malloc_conf", "config.malloc_conf", - emitter_type_string, &config_malloc_conf); - - CONFIG_WRITE_BOOL(prof); - CONFIG_WRITE_BOOL(prof_libgcc); - CONFIG_WRITE_BOOL(prof_libunwind); - CONFIG_WRITE_BOOL(stats); - CONFIG_WRITE_BOOL(utrace); - CONFIG_WRITE_BOOL(xmalloc); -#undef CONFIG_WRITE_BOOL - emitter_dict_end(emitter); /* Close "config" dict. */ - - /* opt. */ -#define OPT_WRITE(name, var, size, emitter_type) \ - if (je_mallctl("opt."name, (void *)&var, &size, NULL, 0) == \ - 0) { \ - emitter_kv(emitter, name, "opt."name, emitter_type, \ - &var); \ - } - -#define OPT_WRITE_MUTABLE(name, var1, var2, size, emitter_type, \ - altname) \ - if (je_mallctl("opt."name, (void *)&var1, &size, NULL, 0) == \ - 0 && je_mallctl(altname, (void *)&var2, &size, NULL, 0) \ - == 0) { \ - emitter_kv_note(emitter, name, "opt."name, \ - emitter_type, &var1, altname, emitter_type, \ - &var2); \ - } - -#define OPT_WRITE_BOOL(name) OPT_WRITE(name, bv, bsz, emitter_type_bool) -#define OPT_WRITE_BOOL_MUTABLE(name, altname) \ - OPT_WRITE_MUTABLE(name, bv, bv2, bsz, emitter_type_bool, altname) - -#define OPT_WRITE_UNSIGNED(name) \ - OPT_WRITE(name, uv, usz, emitter_type_unsigned) - -#define OPT_WRITE_SSIZE_T(name) \ - OPT_WRITE(name, ssv, sssz, emitter_type_ssize) -#define OPT_WRITE_SSIZE_T_MUTABLE(name, altname) \ - OPT_WRITE_MUTABLE(name, ssv, ssv2, sssz, emitter_type_ssize, \ - altname) - -#define OPT_WRITE_CHAR_P(name) \ - OPT_WRITE(name, cpv, cpsz, emitter_type_string) - - emitter_dict_begin(emitter, "opt", "Run-time option settings"); - - OPT_WRITE_BOOL("abort") - OPT_WRITE_BOOL("abort_conf") - OPT_WRITE_BOOL("retain") - OPT_WRITE_CHAR_P("dss") - OPT_WRITE_UNSIGNED("narenas") - OPT_WRITE_CHAR_P("percpu_arena") - OPT_WRITE_CHAR_P("metadata_thp") - OPT_WRITE_BOOL_MUTABLE("background_thread", "background_thread") - OPT_WRITE_SSIZE_T_MUTABLE("dirty_decay_ms", "arenas.dirty_decay_ms") - OPT_WRITE_SSIZE_T_MUTABLE("muzzy_decay_ms", "arenas.muzzy_decay_ms") - OPT_WRITE_UNSIGNED("lg_extent_max_active_fit") - OPT_WRITE_CHAR_P("junk") - OPT_WRITE_BOOL("zero") - OPT_WRITE_BOOL("utrace") - OPT_WRITE_BOOL("xmalloc") - OPT_WRITE_BOOL("tcache") - OPT_WRITE_SSIZE_T("lg_tcache_max") - OPT_WRITE_CHAR_P("thp") - OPT_WRITE_BOOL("prof") - OPT_WRITE_CHAR_P("prof_prefix") - OPT_WRITE_BOOL_MUTABLE("prof_active", "prof.active") - OPT_WRITE_BOOL_MUTABLE("prof_thread_active_init", - "prof.thread_active_init") - OPT_WRITE_SSIZE_T_MUTABLE("lg_prof_sample", "prof.lg_sample") - OPT_WRITE_BOOL("prof_accum") - OPT_WRITE_SSIZE_T("lg_prof_interval") - OPT_WRITE_BOOL("prof_gdump") - OPT_WRITE_BOOL("prof_final") - OPT_WRITE_BOOL("prof_leak") - OPT_WRITE_BOOL("stats_print") - OPT_WRITE_CHAR_P("stats_print_opts") - - emitter_dict_end(emitter); - -#undef OPT_WRITE -#undef OPT_WRITE_MUTABLE -#undef OPT_WRITE_BOOL -#undef OPT_WRITE_BOOL_MUTABLE -#undef OPT_WRITE_UNSIGNED -#undef OPT_WRITE_SSIZE_T -#undef OPT_WRITE_SSIZE_T_MUTABLE -#undef OPT_WRITE_CHAR_P - - /* prof. */ - if (config_prof) { - emitter_dict_begin(emitter, "prof", "Profiling settings"); - - CTL_GET("prof.thread_active_init", &bv, bool); - emitter_kv(emitter, "thread_active_init", - "prof.thread_active_init", emitter_type_bool, &bv); - - CTL_GET("prof.active", &bv, bool); - emitter_kv(emitter, "active", "prof.active", emitter_type_bool, - &bv); - - CTL_GET("prof.gdump", &bv, bool); - emitter_kv(emitter, "gdump", "prof.gdump", emitter_type_bool, - &bv); - - CTL_GET("prof.interval", &u64v, uint64_t); - emitter_kv(emitter, "interval", "prof.interval", - emitter_type_uint64, &u64v); - - CTL_GET("prof.lg_sample", &ssv, ssize_t); - emitter_kv(emitter, "lg_sample", "prof.lg_sample", - emitter_type_ssize, &ssv); - - emitter_dict_end(emitter); /* Close "prof". */ - } - - /* arenas. */ - /* - * The json output sticks arena info into an "arenas" dict; the table - * output puts them at the top-level. - */ - emitter_json_dict_begin(emitter, "arenas"); - - CTL_GET("arenas.narenas", &uv, unsigned); - emitter_kv(emitter, "narenas", "Arenas", emitter_type_unsigned, &uv); - - /* - * Decay settings are emitted only in json mode; in table mode, they're - * emitted as notes with the opt output, above. - */ - CTL_GET("arenas.dirty_decay_ms", &ssv, ssize_t); - emitter_json_kv(emitter, "dirty_decay_ms", emitter_type_ssize, &ssv); - - CTL_GET("arenas.muzzy_decay_ms", &ssv, ssize_t); - emitter_json_kv(emitter, "muzzy_decay_ms", emitter_type_ssize, &ssv); - - CTL_GET("arenas.quantum", &sv, size_t); - emitter_kv(emitter, "quantum", "Quantum size", emitter_type_size, &sv); - - CTL_GET("arenas.page", &sv, size_t); - emitter_kv(emitter, "page", "Page size", emitter_type_size, &sv); - - if (je_mallctl("arenas.tcache_max", (void *)&sv, &ssz, NULL, 0) == 0) { - emitter_kv(emitter, "tcache_max", - "Maximum thread-cached size class", emitter_type_size, &sv); - } - - unsigned nbins; - CTL_GET("arenas.nbins", &nbins, unsigned); - emitter_kv(emitter, "nbins", "Number of bin size classes", - emitter_type_unsigned, &nbins); - - unsigned nhbins; - CTL_GET("arenas.nhbins", &nhbins, unsigned); - emitter_kv(emitter, "nhbins", "Number of thread-cache bin size classes", - emitter_type_unsigned, &nhbins); - - /* - * We do enough mallctls in a loop that we actually want to omit them - * (not just omit the printing). - */ - if (emitter->output == emitter_output_json) { - emitter_json_arr_begin(emitter, "bin"); - for (unsigned i = 0; i < nbins; i++) { - emitter_json_arr_obj_begin(emitter); - - CTL_M2_GET("arenas.bin.0.size", i, &sv, size_t); - emitter_json_kv(emitter, "size", emitter_type_size, - &sv); - - CTL_M2_GET("arenas.bin.0.nregs", i, &u32v, uint32_t); - emitter_json_kv(emitter, "nregs", emitter_type_uint32, - &u32v); - - CTL_M2_GET("arenas.bin.0.slab_size", i, &sv, size_t); - emitter_json_kv(emitter, "slab_size", emitter_type_size, - &sv); - - emitter_json_arr_obj_end(emitter); - } - emitter_json_arr_end(emitter); /* Close "bin". */ - } - - unsigned nlextents; - CTL_GET("arenas.nlextents", &nlextents, unsigned); - emitter_kv(emitter, "nlextents", "Number of large size classes", - emitter_type_unsigned, &nlextents); - - if (emitter->output == emitter_output_json) { - emitter_json_arr_begin(emitter, "lextent"); - for (unsigned i = 0; i < nlextents; i++) { - emitter_json_arr_obj_begin(emitter); - - CTL_M2_GET("arenas.lextent.0.size", i, &sv, size_t); - emitter_json_kv(emitter, "size", emitter_type_size, - &sv); - - emitter_json_arr_obj_end(emitter); - } - emitter_json_arr_end(emitter); /* Close "lextent". */ - } - - emitter_json_dict_end(emitter); /* Close "arenas" */ -} - -static void -stats_print_helper(emitter_t *emitter, bool merged, bool destroyed, - bool unmerged, bool bins, bool large, bool mutex) { - /* - * These should be deleted. We keep them around for a while, to aid in - * the transition to the emitter code. - */ - size_t allocated, active, metadata, metadata_thp, resident, mapped, - retained; - size_t num_background_threads; - uint64_t background_thread_num_runs, background_thread_run_interval; - - CTL_GET("stats.allocated", &allocated, size_t); - CTL_GET("stats.active", &active, size_t); - CTL_GET("stats.metadata", &metadata, size_t); - CTL_GET("stats.metadata_thp", &metadata_thp, size_t); - CTL_GET("stats.resident", &resident, size_t); - CTL_GET("stats.mapped", &mapped, size_t); - CTL_GET("stats.retained", &retained, size_t); - - if (have_background_thread) { - CTL_GET("stats.background_thread.num_threads", - &num_background_threads, size_t); - CTL_GET("stats.background_thread.num_runs", - &background_thread_num_runs, uint64_t); - CTL_GET("stats.background_thread.run_interval", - &background_thread_run_interval, uint64_t); - } else { - num_background_threads = 0; - background_thread_num_runs = 0; - background_thread_run_interval = 0; - } - - /* Generic global stats. */ - emitter_json_dict_begin(emitter, "stats"); - emitter_json_kv(emitter, "allocated", emitter_type_size, &allocated); - emitter_json_kv(emitter, "active", emitter_type_size, &active); - emitter_json_kv(emitter, "metadata", emitter_type_size, &metadata); - emitter_json_kv(emitter, "metadata_thp", emitter_type_size, - &metadata_thp); - emitter_json_kv(emitter, "resident", emitter_type_size, &resident); - emitter_json_kv(emitter, "mapped", emitter_type_size, &mapped); - emitter_json_kv(emitter, "retained", emitter_type_size, &retained); - - emitter_table_printf(emitter, "Allocated: %zu, active: %zu, " - "metadata: %zu (n_thp %zu), resident: %zu, mapped: %zu, " - "retained: %zu\n", allocated, active, metadata, metadata_thp, - resident, mapped, retained); - - /* Background thread stats. */ - emitter_json_dict_begin(emitter, "background_thread"); - emitter_json_kv(emitter, "num_threads", emitter_type_size, - &num_background_threads); - emitter_json_kv(emitter, "num_runs", emitter_type_uint64, - &background_thread_num_runs); - emitter_json_kv(emitter, "run_interval", emitter_type_uint64, - &background_thread_run_interval); - emitter_json_dict_end(emitter); /* Close "background_thread". */ - - emitter_table_printf(emitter, "Background threads: %zu, " - "num_runs: %"FMTu64", run_interval: %"FMTu64" ns\n", - num_background_threads, background_thread_num_runs, - background_thread_run_interval); - - if (mutex) { - emitter_row_t row; - emitter_col_t name; - emitter_col_t col64[mutex_prof_num_uint64_t_counters]; - emitter_col_t col32[mutex_prof_num_uint32_t_counters]; - - emitter_row_init(&row); - mutex_stats_init_cols(&row, "", &name, col64, col32); - - emitter_table_row(emitter, &row); - emitter_json_dict_begin(emitter, "mutexes"); - - for (int i = 0; i < mutex_prof_num_global_mutexes; i++) { - mutex_stats_read_global(global_mutex_names[i], &name, - col64, col32); - emitter_json_dict_begin(emitter, global_mutex_names[i]); - mutex_stats_emit(emitter, &row, col64, col32); - emitter_json_dict_end(emitter); - } - - emitter_json_dict_end(emitter); /* Close "mutexes". */ - } - - emitter_json_dict_end(emitter); /* Close "stats". */ - - if (merged || destroyed || unmerged) { - unsigned narenas; - - emitter_json_dict_begin(emitter, "stats.arenas"); - - CTL_GET("arenas.narenas", &narenas, unsigned); - size_t mib[3]; - size_t miblen = sizeof(mib) / sizeof(size_t); - size_t sz; - VARIABLE_ARRAY(bool, initialized, narenas); - bool destroyed_initialized; - unsigned i, j, ninitialized; - - xmallctlnametomib("arena.0.initialized", mib, &miblen); - for (i = ninitialized = 0; i < narenas; i++) { - mib[1] = i; - sz = sizeof(bool); - xmallctlbymib(mib, miblen, &initialized[i], &sz, - NULL, 0); - if (initialized[i]) { - ninitialized++; - } - } - mib[1] = MALLCTL_ARENAS_DESTROYED; - sz = sizeof(bool); - xmallctlbymib(mib, miblen, &destroyed_initialized, &sz, - NULL, 0); - - /* Merged stats. */ - if (merged && (ninitialized > 1 || !unmerged)) { - /* Print merged arena stats. */ - emitter_table_printf(emitter, "Merged arenas stats:\n"); - emitter_json_dict_begin(emitter, "merged"); - stats_arena_print(emitter, MALLCTL_ARENAS_ALL, bins, - large, mutex); - emitter_json_dict_end(emitter); /* Close "merged". */ - } - - /* Destroyed stats. */ - if (destroyed_initialized && destroyed) { - /* Print destroyed arena stats. */ - emitter_table_printf(emitter, - "Destroyed arenas stats:\n"); - emitter_json_dict_begin(emitter, "destroyed"); - stats_arena_print(emitter, MALLCTL_ARENAS_DESTROYED, - bins, large, mutex); - emitter_json_dict_end(emitter); /* Close "destroyed". */ - } - - /* Unmerged stats. */ - if (unmerged) { - for (i = j = 0; i < narenas; i++) { - if (initialized[i]) { - char arena_ind_str[20]; - malloc_snprintf(arena_ind_str, - sizeof(arena_ind_str), "%u", i); - emitter_json_dict_begin(emitter, - arena_ind_str); - emitter_table_printf(emitter, - "arenas[%s]:\n", arena_ind_str); - stats_arena_print(emitter, i, bins, - large, mutex); - /* Close "<arena-ind>". */ - emitter_json_dict_end(emitter); - } - } - } - emitter_json_dict_end(emitter); /* Close "stats.arenas". */ - } -} - -void -stats_print(void (*write_cb)(void *, const char *), void *cbopaque, - const char *opts) { - int err; - uint64_t epoch; - size_t u64sz; -#define OPTION(o, v, d, s) bool v = d; - STATS_PRINT_OPTIONS -#undef OPTION - - /* - * Refresh stats, in case mallctl() was called by the application. - * - * Check for OOM here, since refreshing the ctl cache can trigger - * allocation. In practice, none of the subsequent mallctl()-related - * calls in this function will cause OOM if this one succeeds. - * */ - epoch = 1; - u64sz = sizeof(uint64_t); - err = je_mallctl("epoch", (void *)&epoch, &u64sz, (void *)&epoch, - sizeof(uint64_t)); - if (err != 0) { - if (err == EAGAIN) { - malloc_write("<jemalloc>: Memory allocation failure in " - "mallctl(\"epoch\", ...)\n"); - return; - } - malloc_write("<jemalloc>: Failure in mallctl(\"epoch\", " - "...)\n"); - abort(); - } - - if (opts != NULL) { - for (unsigned i = 0; opts[i] != '\0'; i++) { - switch (opts[i]) { -#define OPTION(o, v, d, s) case o: v = s; break; - STATS_PRINT_OPTIONS -#undef OPTION - default:; - } - } - } - - emitter_t emitter; - emitter_init(&emitter, - json ? emitter_output_json : emitter_output_table, write_cb, - cbopaque); - emitter_begin(&emitter); - emitter_table_printf(&emitter, "___ Begin jemalloc statistics ___\n"); - emitter_json_dict_begin(&emitter, "jemalloc"); - - if (general) { - stats_general_print(&emitter); - } - if (config_stats) { - stats_print_helper(&emitter, merged, destroyed, unmerged, - bins, large, mutex); - } - - emitter_json_dict_end(&emitter); /* Closes the "jemalloc" dict. */ - emitter_table_printf(&emitter, "--- End jemalloc statistics ---\n"); - emitter_end(&emitter); -} |