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

From: Google
Date: Mon Jun 26 2023 - 06:13:05 EST


On Mon, 26 Jun 2023 19:11:14 +0900
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> wrote:

> On Mon, 26 Jun 2023 08:11:44 +0800
> Zheng Yejian <zhengyejian1@xxxxxxxxxx> wrote:
>
> > Function instance_set() expects to enable event 'sched_switch', so we
> > should set 1 to its 'enable' file.
> >
> > Testcase passed after this patch:
> > # ./ftracetest test.d/instances/instance-event.tc
> > === Ftrace unit tests ===
> > [1] Test creation and deletion of trace instances while setting an event
> > [PASS]
> >
> > # of passed: 1
> > # of failed: 0
> > # of unresolved: 0
> > # of untested: 0
> > # of unsupported: 0
> > # of xfailed: 0
> > # of undefined(test bug): 0
> >
>
> Good catch!
>
> Fixes: 91e6f1ce8657 ("ftracetest: Add instance created, delete, read and enable event test")
>
> It seems this tests internally broken but the result is same because this disabled
> error checking ('set +e').

And

Acked-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>

Thanks!

>
>
> > Signed-off-by: Zheng Yejian <zhengyejian1@xxxxxxxxxx>
> > ---
> > .../testing/selftests/ftrace/test.d/instances/instance-event.tc | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > 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
> > }
> >
> > --
> > 2.25.1
> >
>
>
> --
> Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>


--
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>