Commit-ID: e632aa69c919462a7f93c8799b97c8a9ddd48fc2
Gitweb: http://git.kernel.org/tip/e632aa69c919462a7f93c8799b97c8a9ddd48fc2
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Tue, 12 Apr 2016 15:29:25 +0200
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 13 Apr 2016 10:11:50 -0300
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@xxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1460467771-26532-3-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/cpumap.c | 12 ++++++++++++
tools/perf/util/cpumap.h | 2 ++
2 files changed, 14 insertions(+)
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index 9bcf2be..02d8016 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 81a2562..1a0a350 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 */
--
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