Re: [PATCH] selftests/ftrace: Introduce exit_pass and exit_fail

From: Masami Hiramatsu
Date: Wed Nov 01 2017 - 00:23:48 EST


On Tue, 31 Oct 2017 17:44:32 -0400
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> On Tue, 31 Oct 2017 23:51:42 +0900
> Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote:
>
> > diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc b/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc
> > index 74507db8bbc8..b8701fa0b8f2 100644
> > --- a/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc
> > +++ b/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc
> > @@ -8,7 +8,7 @@ echo > kprobe_events
> > echo p:myevent _do_fork > kprobe_events
> > test -d events/kprobes/myevent
> > echo 1 > events/kprobes/myevent/enable
> > -echo > kprobe_events && exit 1 # this must fail
> > +echo > kprobe_events && exit_fail
>
> Should we keep the comment about "this must fail", otherwise it may
> look like a mistake. Echoing in kprobe_events returns failure here?

Ah, good catch! I misread the comment is for "exit 1"...

Thank you,

>
> -- Steve
>
>
> > echo 0 > events/kprobes/myevent/enable
> > echo > kprobe_events # this must succeed
> > clear_trace


--
Masami Hiramatsu <mhiramat@xxxxxxxxxx>