From e632aa69c919462a7f93c8799b97c8a9ddd48fc2 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Tue, 12 Apr 2016 15:29:25 +0200 Subject: [PATCH] perf cpu_map: Add has() method Adding cpu_map__has() to return bool of cpu presence in cpus map. Signed-off-by: Jiri Olsa Cc: David Ahern Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1460467771-26532-3-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- 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 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 */ -- GitLab