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Date: Tue, 18 Aug 2020 08:51:55 -0300 From: Arnaldo Carvalho de Melo <acme@...nel.org> To: Namhyung Kim <namhyung@...nel.org> Cc: David Ahern <dsahern@...nel.org>, linux-kernel <linux-kernel@...r.kernel.org>, Jiri Olsa <jolsa@...nel.org> Subject: Re: [PATCH v2] perf sched timehist: Fix use of CPU list with summary option Em Tue, Aug 18, 2020 at 10:29:29AM +0900, Namhyung Kim escreveu: > Hi David, > > On Tue, Aug 18, 2020 at 2:09 AM David Ahern <dsahern@...nel.org> wrote: > > > > Do not update thread stats or show idle summary unless CPU is in > > the list of interest. > > > > Fixes: c30d630d1bcf ("perf sched timehist: Add support for filtering on CPU") > > Signed-off-by: David Ahern <dsahern@...nel.org> > > Acked-by: Namhyung Kim <namhyung@...nel.org> Thanks, applied. - Arnaldo > Thanks > Namhyung > > > --- > > v2 > > - check that cpu_list is set before checking cpu_bitmap in timehist_print_summary > > > > tools/perf/builtin-sched.c | 6 +++++- > > 1 file changed, 5 insertions(+), 1 deletion(-) > > > > 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; > > -- > > 2.17.1 > > -- - Arnaldo
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