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| author | Adrian Hunter <adrian.hunter@intel.com> | 2018-05-22 12:54:32 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-05-22 15:52:49 +0200 |
| commit | 9cecca325ea879c84fcd31a5e609a514c1a1dbd1 (patch) | |
| tree | 5c507d46f9d56279a95d308399d2a0f1b981e99e /tools/perf/util/env.h | |
| parent | perf annotate: Support '--group' option (diff) | |
| download | linux-9cecca325ea879c84fcd31a5e609a514c1a1dbd1.tar.xz linux-9cecca325ea879c84fcd31a5e609a514c1a1dbd1.zip | |
perf machine: Add nr_cpus_avail()
Add a function to return the number of the machine's available CPUs.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: x86@kernel.org
Link: http://lkml.kernel.org/r/1526986485-6562-5-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/env.h')
| -rw-r--r-- | tools/perf/util/env.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h index 62e193948608..1f3ccc368530 100644 --- a/tools/perf/util/env.h +++ b/tools/perf/util/env.h @@ -77,5 +77,6 @@ void cpu_cache_level__free(struct cpu_cache_level *cache); const char *perf_env__arch(struct perf_env *env); const char *perf_env__raw_arch(struct perf_env *env); +int perf_env__nr_cpus_avail(struct perf_env *env); #endif /* __PERF_ENV_H */ |