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

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Shuah, can you take this?

On Mon, 26 Jun 2023 19:12:55 +0900
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> wrote:

> 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>

Acked-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>


-- Steve

> 
> 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>  
> 
> 




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