linux-kernel - Re: [BUGFIX PATCH v4 2/4] selftests/ftrace: Fix ftrace test cases to check unsupported

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Date:   Tue, 26 Nov 2019 16:50:54 -0700
From:   shuah <shuah@...nel.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        shuah <shuah@...nel.org>
Subject: Re: [BUGFIX PATCH v4 2/4] selftests/ftrace: Fix ftrace test cases to
 check unsupported

On 11/26/19 4:31 PM, Masami Hiramatsu wrote:
> On Tue, 26 Nov 2019 12:49:01 -0500
> Steven Rostedt <rostedt@...dmis.org> wrote:
> 
>> On Tue, 26 Nov 2019 17:34:24 +0900
>> Masami Hiramatsu <mhiramat@...nel.org> wrote:
>>
>>> --- a/tools/testing/selftests/ftrace/test.d/ftrace/func_cpumask.tc
>>> +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_cpumask.tc
>>> @@ -15,6 +15,11 @@ if [ $NP -eq 1 ] ;then
>>>     exit_unresolved
>>>   fi
>>>   
>>> +if ! grep -q function available_tracers ; then
>>> +  echo "Function trace is not enabled"
>>> +  exit_unsupported
>>> +fi
>>> +
>>>   ORIG_CPUMASK=`cat tracing_cpumask`
>>
>> Strange, but the bashism test failed:
>>
>> ++ checkbashisms /work/git-local/linux.git/tools/testing/selftests/ftrace/test.d/ftrace/func_cpumask.tc
>> possible bashism in /work/git-local/linux.git/tools/testing/selftests/ftrace/test.d/ftrace/func_cpumask.tc line 18 ('function' is useless):
>> if ! grep -q function available_tracers ; then
>>
>> Not sure why it did not like that line. Maybe my bashism check got
>> confused by the key word "function"?
>>
>> Yep!
>>
>> By adding quotes around "function" it doesn't complain:
>>
>> 	if ! grep -q "function" available_tracers ; then
>>
>> May need to add that.
> 
> Thanks! Shuah, can I update this patch?
> I'll send it asap.
> 
> Thank you,
> 

No worries. Take your time. I won't pull in until things settle down.
I noticed Steve gave you review comments.

thanks,
-- Shuah