On Wed, 6 Sep 2023 19:57:24 +0800 Zheng Yejian zhengyejian1@huawei.com wrote:
BTW, I do reproduce with following testcase fix, then just run: ./ftracetest test.d/instances/instance-event.tc diff --git a/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc b/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc index 0eb47fbb3f44..42422e425107 100644 --- a/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc +++ b/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc @@ -39,7 +39,7 @@ instance_read() {
instance_set() { while :; do
echo 1 > foo/events/sched/sched_switch
echo 1 > foo/events/sched/sched_switch/enable done 2> /dev/null
Ah thanks. I didn't have that on my test box :-p
Although I'm still having issues reproducing it. Do you have anything special on your kernel command line?
-- Steve