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perf cpu_map: Add has() method

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Adding cpu_map__has() to return bool of cpu presence in cpus map.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1460467771-26532-3-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2016-04-12 15:29:25 +02:00 committed by Arnaldo Carvalho de Melo
parent 3407df8bbc
commit e632aa69c9
2 changed files with 14 additions and 0 deletions
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12
tools/perf/util/cpumap.c
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@ -587,3 +587,15 @@ int cpu__setup_cpunode_map(void)
closedir(dir1);
return 0;
}
bool cpu_map__has(struct cpu_map *cpus, int cpu)
{
int i;
for (i = 0; i < cpus->nr; ++i) {
if (cpus->map[i] == cpu)
return true;
}
return false;
}

2
tools/perf/util/cpumap.h
View file

@ -66,4 +66,6 @@ int cpu__get_node(int cpu);
int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map **res,
int (*f)(struct cpu_map *map, int cpu, void *data),
void *data);
bool cpu_map__has(struct cpu_map *cpus, int cpu);
#endif /* __PERF_CPUMAP_H */