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>,
Luis Henriques <luis.henriques@canonical.com>
Subject: Re: [PATCH] ftracetest: Do not use usleep
Date: Mon, 30 Mar 2015 21:04:44 -0400 [thread overview]
Message-ID: <20150330210444.7cc5521c@grimm.local.home> (raw)
In-Reply-To: <20150331004855.GF32033@sejong>
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
next prev parent reply other threads:[~2015-03-31 1:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-26 0:32 Namhyung Kim
2015-03-30 20:47 ` Shuah Khan
2015-03-30 21:15 ` Steven Rostedt
2015-03-31 0:48 ` Namhyung Kim
2015-03-31 1:04 ` Steven Rostedt [this message]
2015-03-31 1:08 ` Pádraig Brady
2015-03-31 1:29 ` Steven Rostedt
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