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

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Date:   Wed, 27 Nov 2019 08:31:23 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Shuah Khan <shuah@...nel.org>, Steven Rostedt <rostedt@...dmis.org>
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [BUGFIX PATCH v4 2/4] selftests/ftrace: Fix ftrace test cases
 to check unsupported

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,

-- 
Masami Hiramatsu <mhiramat@...nel.org>