diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2015-10-25 15:51:17 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-10-27 15:05:36 -0300 |
| commit | 2322f573f8131da9c6d1fab01fe0a0c2c23aa549 (patch) | |
| tree | 2a0a69388800dc7ea334f0922667b3f31d12bdb5 /tools/perf/util/cpumap.h | |
| parent | af3399817428d8adc2c87c91df23fde77dbcdb35 (diff) | |
perf cpu_map: Add cpu_map__empty_new function
Adding cpu_map__empty_new interface to create empty cpumap with given
size. The cpumap entries are initialized with -1.
It'll be used for caching cpu_map in following patches.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Kan Liang <kan.liang@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1445784728-21732-2-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/cpumap.h')
| -rw-r--r-- | tools/perf/util/cpumap.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h index f1bcd2cfa164..85f7772457fa 100644 --- a/tools/perf/util/cpumap.h +++ b/tools/perf/util/cpumap.h @@ -15,6 +15,7 @@ struct cpu_map { }; struct cpu_map *cpu_map__new(const char *cpu_list); +struct cpu_map *cpu_map__empty_new(int nr); struct cpu_map *cpu_map__dummy_new(void); struct cpu_map *cpu_map__read(FILE *file); size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp); |