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| author | Adrian Hunter <adrian.hunter@intel.com> | 2018-05-22 13:54:32 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-05-22 16:52:49 +0300 |
| commit | 9cecca325ea879c84fcd31a5e609a514c1a1dbd1 (patch) | |
| tree | 5c507d46f9d56279a95d308399d2a0f1b981e99e /tools/perf/util/machine.c | |
| parent | 7ebaf4890f63eb90856b76864a0847413cdf6c86 (diff) | |
| download | linux-9cecca325ea879c84fcd31a5e609a514c1a1dbd1.tar.xz | |
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/machine.c')
| -rw-r--r-- | tools/perf/util/machine.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index e011a7160380..f62ecd9c36e8 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -2305,6 +2305,11 @@ bool machine__is(struct machine *machine, const char *arch) return machine && !strcmp(perf_env__raw_arch(machine->env), arch); } +int machine__nr_cpus_avail(struct machine *machine) +{ + return machine ? perf_env__nr_cpus_avail(machine->env) : 0; +} + int machine__get_kernel_start(struct machine *machine) { struct map *map = machine__kernel_map(machine); |