Re: [PATCH 2/2] ftrace/selftest: Test if set_event/ftrace_pid exists before writing

From: Steven Rostedt
Date: Wed Jul 03 2019 - 16:01:36 EST


On Wed, 3 Jul 2019 16:00:09 -0400
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> > diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
> > index 779ec11f61bd..a7b06291e32c 100644
> > --- a/tools/testing/selftests/ftrace/test.d/functions
> > +++ b/tools/testing/selftests/ftrace/test.d/functions
> > @@ -91,8 +91,8 @@ initialize_ftrace() { # Reset ftrace to initial-state
> > reset_events_filter
> > reset_ftrace_filter
> > disable_events
> > - echo > set_event_pid # event tracer is always on
> > - echo > set_ftrace_pid
> > + [ -f set_event_pid ] && echo > set_event_pid # event tracer is always on
>
> I probably should remove that comment, because I believe that was why
> it wasn't tested :-/

Masami,

I'll wait for your review before posting a v2 without this comment.

-- Steve