linux-kernel - Re: [PATCH] perf lock: Fix state machine to recognize lock sequence

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Message-ID: <20100421161359.GC5650@nowhere>
Date:	Wed, 21 Apr 2010 18:14:00 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Hitoshi Mitake <mitake@....info.waseda.ac.jp>
Cc:	mingo@...e.hu, linux-kernel@...r.kernel.org, h.mitake@...il.com,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Jens Axboe <jens.axboe@...cle.com>,
	Jason Baron <jbaron@...hat.com>,
	Xiao Guangrong <xiaoguangrong@...fujitsu.com>
Subject: Re: [PATCH] perf lock: Fix state machine to recognize lock sequence

On Wed, Apr 21, 2010 at 06:12:06PM +0900, Hitoshi Mitake wrote:
> On 04/21/10 10:26, Frederic Weisbecker wrote:
> > 2) I can't get lock_acquired traces. Not sure why yet...
>
> Really? It's mystery... I'll seek the cause.


In fact they are here, but not displayed in perf trace because
of a format file parse error. I'm investigating, I think it
doesn't impact perf lock though.

Thanks.

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