From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753906AbYFTKUJ (ORCPT ); Fri, 20 Jun 2008 06:20:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752155AbYFTKT6 (ORCPT ); Fri, 20 Jun 2008 06:19:58 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:57829 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751566AbYFTKT5 (ORCPT ); Fri, 20 Jun 2008 06:19:57 -0400 Date: Fri, 20 Jun 2008 12:19:43 +0200 From: Ingo Molnar To: "Huang, Ying" Cc: Peter Zijlstra , linux-kernel@vger.kernel.org Subject: Re: [PATCH] lockdep: add lock_class information to lock_chain and output it Message-ID: <20080620101943.GA32500@elte.hu> References: <1213951161.29952.5.camel@caritas-dev.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1213951161.29952.5.camel@caritas-dev.intel.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: 0.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=0.5 required=5.9 tests=BAYES_00,FR_ALMOST_VIAG2 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0034] 2.0 FR_ALMOST_VIAG2 RAW: Almost looks like viagra. Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Huang, Ying 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