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perf sched timehist: Fix use of CPU list with summary option

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Do not update thread stats or show idle summary unless CPU is in the
list of interest.

Fixes: c30d630d1b ("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>
This commit is contained in:
David Ahern 2020-08-17 11:09:42 -06:00 committed by Arnaldo Carvalho de Melo
parent 4b04e0decd
commit a74eaf1605
1 changed files with 5 additions and 1 deletions
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6
tools/perf/builtin-sched.c
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@ -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;