linux-kernel - Re: [PATCH] lockdep: add lock_class information to lock

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Message-ID: <20080620101943.GA32500@elte.hu>
Date:	Fri, 20 Jun 2008 12:19:43 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	"Huang, Ying" <ying.huang@...el.com>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] lockdep: add lock_class information to lock_chain and
	output it


* Huang, Ying <ying.huang@...el.com> wrote:

> This patch is not intended to be merged. Just hope it is useful for 
> somebody want to investigate kernel locking behavior. The simple 
> scripts attached with the mail can be used to draw class chain graph 
> via graphviz.

hm, that looks pretty nice. Why not merge it? You could make it depend 
on LOCKDEP_DEBUG perhaps, if kernel size/performance is an issue.

	Ingo
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