linux-kernel - Re: Lock dependency based tree report in perf lock

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Message-ID: <1264841188.24455.54.camel@laptop>
Date:	Sat, 30 Jan 2010 09:46:28 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Hitoshi Mitake <mitake@....info.waseda.ac.jp>,
	Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Lock dependency based tree report in perf lock

On Sat, 2010-01-30 at 00:17 +0100, Frederic Weisbecker wrote:
> 
> 
> Anyway, that's just an idea, not trivial I must admit.

lockdep actually collects all this information, so writing it out isn't
too hard.



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