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

From: Shuah Khan
Date: Wed Nov 01 2017 - 17:19:00 EST


On 10/31/2017 10:23 PM, Masami Hiramatsu wrote:
> 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
>
>

Hi Masami,

Thanks Steve for the catch. I will wait for v2 then.

thanks,
-- Shuah