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authorDavid Ahern <dsahern@kernel.org>2020-08-17 20:09:42 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-08-21 16:22:23 +0300
commita74eaf1605d42391c2357a70e94e5a2c7780fea9 (patch)
tree5ee37f42826a966c370041555f72f28726843cc2
parent4b04e0decd2518e54e3f371abf3d883b3198663d (diff)
downloadlinux-a74eaf1605d42391c2357a70e94e5a2c7780fea9.tar.xz
perf sched timehist: Fix use of CPU list with summary option
Do not update thread stats or show idle summary unless CPU is in the list of interest. Fixes: c30d630d1bcfad8d ("perf sched timehist: Add support for filtering on CPU") Signed-off-by: David Ahern <dsahern@kernel.org> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Link: http://lore.kernel.org/lkml/20200817170943.1486-1-dsahern@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/builtin-sched.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 0c7d599fa555..e6fc297cee91 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -2584,7 +2584,8 @@ static int timehist_sched_change_event(struct perf_tool *tool,
}
if (!sched->idle_hist || thread->tid == 0) {
- timehist_update_runtime_stats(tr, t, tprev);
+ if (!cpu_list || test_bit(sample->cpu, cpu_bitmap))
+ timehist_update_runtime_stats(tr, t, tprev);
if (sched->idle_hist) {
struct idle_thread_runtime *itr = (void *)tr;
@@ -2857,6 +2858,9 @@ static void timehist_print_summary(struct perf_sched *sched,
printf("\nIdle stats:\n");
for (i = 0; i < idle_max_cpu; ++i) {
+ if (cpu_list && !test_bit(i, cpu_bitmap))
+ continue;
+
t = idle_threads[i];
if (!t)
continue;