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| author |   David Ahern <dsahern@kernel.org> | 2020-08-17 11:09:42 -0600 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-08-21 10:22:23 -0300 |
| commit | a74eaf1605d42391c2357a70e94e5a2c7780fea9 (patch) | |
| tree | 5ee37f42826a966c370041555f72f28726843cc2 /tools | |
| parent | perf test: Fix basic bpf filtering test (diff) | |
| download | wireguard-linux-a74eaf1605d42391c2357a70e94e5a2c7780fea9.tar.xz wireguard-linux-a74eaf1605d42391c2357a70e94e5a2c7780fea9.zip | |
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>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-sched.c | 6 |
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; |