linux-kernel - Re: [PATCH 2/2] tracing, sched: Add a new tracepoint for sleeptime

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Message-ID: <4EF2773E.4070308@fb.com>
Date:	Wed, 21 Dec 2011 16:18:06 -0800
From:	Arun Sharma <asharma@...com>
To:	<avagin@...nvz.org>
CC:	<linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Steven Rostedt <rostedt@...dmis.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH 2/2] tracing, sched: Add a new tracepoint for sleeptime

On 12/21/11 2:43 AM, Andrey Vagin wrote:

> Arun, probably you have missed one of my comments.
> block_start and sleep_start should be zeroized here.
>
> tsk->se.statistics.block_start = 0;
> tsk->se.statistics.sleep_start = 0;
>
> The following program provokes this problem:

Yes - I overlooked the comment. Thanks for bringing it up (especially 
the test program). Fixed in v3.

  -Arun
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