$ 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
Reviewed-by: Ian Rogers <irogers@google.com>
Tested-by: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/20250703014942.1369397-9-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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