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authorJiri Olsa <jolsa@kernel.org>2016-04-12 15:29:25 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-04-13 10:11:50 -0300
commite632aa69c919462a7f93c8799b97c8a9ddd48fc2 (patch)
tree270631decb16effe6e052ac82785737227d92e15 /tools/perf/util
parentperf thread_map: Add has() method (diff)
downloadlinux-dev-e632aa69c919462a7f93c8799b97c8a9ddd48fc2.tar.xz
linux-dev-e632aa69c919462a7f93c8799b97c8a9ddd48fc2.zip
perf cpu_map: Add has() method
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>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/cpumap.c12
-rw-r--r--tools/perf/util/cpumap.h2
2 files changed, 14 insertions, 0 deletions
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index 9bcf2bed3a6d..02d801670f30 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -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;
+}
diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h
index 81a2562aaa2b..1a0a35073ce1 100644
--- a/tools/perf/util/cpumap.h
+++ b/tools/perf/util/cpumap.h
@@ -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 */