Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756418Ab1CAOzq (ORCPT ); Tue, 1 Mar 2011 09:55:46 -0500 Received: from mail-qw0-f46.google.com ([209.85.216.46]:43936 "EHLO mail-qw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752437Ab1CAOzp (ORCPT ); Tue, 1 Mar 2011 09:55:45 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=rQN72Qj/8UVDtQst4QBXMwV6ww6E0fRyoaABP8gYW1EPWUHAmwqQgo9FcNKPFQCS8l 71Ng6W8vtPNu3cMOZC805abRPuQ2euI9MqbT1IVus1fAlpCkOr2bfyEseCOV5aJpdw9B 3ZAyq8fAlh4ldEQK5bcIb/KvusOQAMJ91HZSE= MIME-Version: 1.0 In-Reply-To: <4D67E286.8010907@dcl.info.waseda.ac.jp> References: <1298388507-19774-1-git-send-email-mitake@dcl.info.waseda.ac.jp> <4D63D685.2010401@dcl.info.waseda.ac.jp> <1298389415.2217.243.camel@twins> <20110222182206.GB1799@nowhere> <4D648A65.2040107@dcl.info.waseda.ac.jp> <4D667D60.5010903@dcl.info.waseda.ac.jp> <20110224165014.GB1840@nowhere> <4D67E286.8010907@dcl.info.waseda.ac.jp> Date: Tue, 1 Mar 2011 15:55:43 +0100 Message-ID: Subject: Re: [PATCH] perf lock: clean the options for perf record From: Frederic Weisbecker To: Hitoshi Mitake Cc: Peter Zijlstra , linux-kernel@vger.kernel.org, h.mitake@gmail.com, Paul Mackerras , Ingo Molnar , Arnaldo Carvalho de Melo , Steven Rostedt Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 726 Lines: 17 On Sat, Feb 26, 2011 at 02:10:30AM +0900, Hitoshi Mitake wrote: > It seems that I was too preprocessed with the method and > forgot the purpose... > > Maybe the things like simple lockstat visualizer or > special diff between two lockstat snapshots are > useful for the first looking at big picture. > I feel that they have worth to write and test. Indeed they sound like good ideas. Being able to do a diff on locks profiles would be useful to compare two changes on the kernel. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/