Re: [PATCH] selftests/ftrace: Correctly enable event in instance-event.tc

On Wed, 6 Sep 2023 08:56:21 -0400 Steven Rostedt rostedt@goodmis.org wrote:

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?

Also, which branch are you testing? What's the sha of the code you are testing?

-- Steve