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Date: Mon, 30 Mar 2015 21:04:44 -0400
From: Steven Rostedt <rostedt@goodmis.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Shuah Khan <shuahkh@osg.samsung.com>, LKML <linux-kernel@vger.kernel.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Dave Jones <davej@codemonkey.org.uk>,
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Subject: Re: [PATCH] ftracetest: Do not use usleep
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On Tue, 31 Mar 2015 09:48:55 +0900
Namhyung Kim <namhyung@kernel.org> wrote:


> I understand your point.  But this is not just cat, it needs grep and
> wc also.  So I think there should be scheduler event(s).
>

Yes, and cat opens 'trace', which will disable tracing, and if that
happens before grep and wc, then those events will not show up.

There was a time when these tests use to fail without adding something
to force a schedule, that's why I feel it's safe to add something.

-- Steve