linux-kernel - Re: [PATCH] selftests/ftrace: Introduce exit_pass and exit

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Message-ID: <20171031174432.770bd509@gandalf.local.home>
Date:   Tue, 31 Oct 2017 17:44:32 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     linux-kselftest@...r.kernel.org, shuah@...nel.org,
        linux-kernel@...r.kernel.org,
        Tom Zanussi <tom.zanussi@...ux.intel.com>,
        Rajvi Jingar <rajvi.jingar@...el.com>
Subject: Re: [PATCH] selftests/ftrace: Introduce exit_pass and exit_fail

On Tue, 31 Oct 2017 23:51:42 +0900
Masami Hiramatsu <mhiramat@...nel.org> 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?

-- Steve


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