On Wed, Jul 2, 2025 at 6:49 PM Namhyung Kim <namhyung@kernel.org> wrote:
>
> $ sudo ./perf test -vv 92
> 92: perf sched tests:
> --- start ---
> test child forked, pid 1360101
> Sched record
> pid 1360105's current affinity list: 0-3
> pid 1360105's new affinity list: 0
> pid 1360107's current affinity list: 0-3
> pid 1360107's new affinity list: 0
> [ perf record: Woken up 1 times to write data ]
> [ perf record: Captured and wrote 4.330 MB /tmp/__perf_test_sched.perf.data.b3319 (12246 samples) ]
> Sched latency
> Sched script
> Sched map
> Sched timehist
> Samples of sched_switch event do not have callchains.
> ---- end(0) ----
> 92: perf sched tests : Ok
>
> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Reviewed-by: Ian Rogers <irogers@google.com>
Thanks,
Ian
> ---
> tools/perf/tests/shell/sched.sh | 39 ++++++++++++++++++++++++++-------
> 1 file changed, 31 insertions(+), 8 deletions(-)
>
> diff --git a/tools/perf/tests/shell/sched.sh b/tools/perf/tests/shell/sched.sh
> index c030126d1a0c918d..b9b81eaf856e6555 100755
> --- a/tools/perf/tests/shell/sched.sh
> +++ b/tools/perf/tests/shell/sched.sh
> @@ -56,38 +56,61 @@ cleanup_noploops() {
> kill "$PID1" "$PID2"
> }
>
> -test_sched_latency() {
> - echo "Sched latency"
> +test_sched_record() {
> + echo "Sched record"
>
> start_noploops
>
> perf sched record --no-inherit -o "${perfdata}" sleep 1
> +
> + cleanup_noploops
> +}
> +
> +test_sched_latency() {
> + echo "Sched latency"
> +
> if ! perf sched latency -i "${perfdata}" | grep -q perf-noploop
> then
> echo "Sched latency [Failed missing output]"
> err=1
> fi
> -
> - cleanup_noploops
> }
>
> test_sched_script() {
> echo "Sched script"
>
> - start_noploops
> -
> - perf sched record --no-inherit -o "${perfdata}" sleep 1
> if ! perf sched script -i "${perfdata}" | grep -q perf-noploop
> then
> echo "Sched script [Failed missing output]"
> err=1
> fi
> +}
>
> - cleanup_noploops
> +test_sched_map() {
> + echo "Sched map"
> +
> + if ! perf sched map -i "${perfdata}" | grep -q perf-noploop
> + then
> + echo "Sched map [Failed missing output]"
> + err=1
> + fi
> +}
> +
> +test_sched_timehist() {
> + echo "Sched timehist"
> +
> + if ! perf sched timehist -i "${perfdata}" | grep -q perf-noploop
> + then
> + echo "Sched timehist [Failed missing output]"
> + err=1
> + fi
> }
>
> +test_sched_record
> test_sched_latency
> test_sched_script
> +test_sched_map
> +test_sched_timehist
>
> cleanup
> exit $err
> --
> 2.50.0.727.gbf7dc18ff4-goog
>