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: 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>
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@ -2584,7 +2584,8 @@ static int timehist_sched_change_event(struct perf_tool *tool,
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}
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if (!sched->idle_hist || thread->tid == 0) {
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timehist_update_runtime_stats(tr, t, tprev);
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if (!cpu_list || test_bit(sample->cpu, cpu_bitmap))
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timehist_update_runtime_stats(tr, t, tprev);
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if (sched->idle_hist) {
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struct idle_thread_runtime *itr = (void *)tr;
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@ -2857,6 +2858,9 @@ static void timehist_print_summary(struct perf_sched *sched,
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printf("\nIdle stats:\n");
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for (i = 0; i < idle_max_cpu; ++i) {
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if (cpu_list && !test_bit(i, cpu_bitmap))
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continue;
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t = idle_threads[i];
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if (!t)
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continue;
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