Re: [PATCH v3 14/14] tracing/selftest: Add test to test hist trigger between kernel event and trace_marker

[Steven Rostedt]

On Wed, 23 May 2018 23:15:59 +0900
Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote:

> On Wed, 16 May 2018 11:00:26 -0400
> Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> 
> > From: "Steven Rostedt (VMware)" <rostedt@xxxxxxxxxxx>
> > 
> > Add a test that tests a trigger that is initiated by a kernel event
> > (sched_waking) and compared to a write to the trace_marker.
> > 
> > Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
> > ---
> >  .../trigger/trigger-trace-marker-synthetic.tc | 22 +++++++++++++++++++
> >  1 file changed, 22 insertions(+)
> > 
> > diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic.tc
> > index 3666dd6ab02a..b06996ecd5e0 100644
> > --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic.tc
> > +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic.tc
> > @@ -31,6 +31,11 @@ if [ ! -d events/ftrace/print ]; then
> >      exit_unsupported
> >  fi
> >  
> > +if [ ! -d events/sched/sched_waking ]; then
> > +    echo "event sched_waking is not supported"
> > +    exit_unsupported
> > +fi  
> 
> Hmm, this looks no good sign... Can you split this out to another testcase,
> since this check is only for new test case below?
> 

You mean like this?

-- Steve