diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-04-12 14:53:35 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-04-12 14:53:35 -0300 |
| commit | b277851417e0149aff5e6986e1ad6e2d8054e4a6 (patch) | |
| tree | f8a1fce2c0d700da2dc7f2cf551adb51584654ae /tools/lib | |
| parent | 1f94479edb4decdcec3e902528abb47f0ccd5d16 (diff) | |
| download | linux-b277851417e0149aff5e6986e1ad6e2d8054e4a6.tar.gz | |
libperf: Add a perf_cpu_map__set_nr() available as an internal function for tools/perf to use
We'll need to reference count check 'struct perf_cpu_map', so wrap
accesses to its internal state to allow intercepting accesses to its
instances.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Link: https://lore.kernel.org/
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib')
| -rw-r--r-- | tools/lib/perf/cpumap.c | 5 | ||||
| -rw-r--r-- | tools/lib/perf/include/internal/cpumap.h | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/tools/lib/perf/cpumap.c b/tools/lib/perf/cpumap.c index 0833423c243b..6bbcbb83eb14 100644 --- a/tools/lib/perf/cpumap.c +++ b/tools/lib/perf/cpumap.c @@ -10,6 +10,11 @@ #include <ctype.h> #include <limits.h> +void perf_cpu_map__set_nr(struct perf_cpu_map *map, int nr_cpus) +{ + map->nr = nr_cpus; +} + struct perf_cpu_map *perf_cpu_map__alloc(int nr_cpus) { struct perf_cpu_map *cpus = malloc(sizeof(*cpus) + sizeof(struct perf_cpu) * nr_cpus); diff --git a/tools/lib/perf/include/internal/cpumap.h b/tools/lib/perf/include/internal/cpumap.h index f5bffb1f8674..b82fd6607a00 100644 --- a/tools/lib/perf/include/internal/cpumap.h +++ b/tools/lib/perf/include/internal/cpumap.h @@ -28,4 +28,6 @@ struct perf_cpu_map *perf_cpu_map__alloc(int nr_cpus); int perf_cpu_map__idx(const struct perf_cpu_map *cpus, struct perf_cpu cpu); bool perf_cpu_map__is_subset(const struct perf_cpu_map *a, const struct perf_cpu_map *b); +void perf_cpu_map__set_nr(struct perf_cpu_map *map, int nr_cpus); + #endif /* __LIBPERF_INTERNAL_CPUMAP_H */ |