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-rw-r--r--tools/lib/perf/cpumap.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/tools/lib/perf/cpumap.c b/tools/lib/perf/cpumap.c
index 51b6553912e0..6d8e521c59e1 100644
--- a/tools/lib/perf/cpumap.c
+++ b/tools/lib/perf/cpumap.c
@@ -282,14 +282,8 @@ int perf_cpu_map__idx(struct perf_cpu_map *cpus, int cpu)
int perf_cpu_map__max(struct perf_cpu_map *map)
{
- int i, max = -1;
-
- for (i = 0; i < map->nr; i++) {
- if (map->map[i] > max)
- max = map->map[i];
- }
-
- return max;
+ // cpu_map__trim_new() qsort()s it, cpu_map__default_new() sorts it as well.
+ return map->nr > 0 ? map->map[map->nr - 1] : -1;
}
/*