From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751908AbZH1Fvs (ORCPT ); Fri, 28 Aug 2009 01:51:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751824AbZH1Fvs (ORCPT ); Fri, 28 Aug 2009 01:51:48 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:56212 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751821AbZH1Fvr (ORCPT ); Fri, 28 Aug 2009 01:51:47 -0400 Date: Fri, 28 Aug 2009 07:51:32 +0200 From: Ingo Molnar To: Frederic Weisbecker Cc: LKML , Peter Zijlstra , Arnaldo Carvalho de Melo , Steven Rostedt Subject: Re: [PATCH 1/2] perf tools: Import trace saved cmdlines to threads base Message-ID: <20090828055132.GA22240@elte.hu> References: <1251427567-10551-1-git-send-email-fweisbec@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1251427567-10551-1-git-send-email-fweisbec@gmail.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.5 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Frederic Weisbecker wrote: > Currently, perf has its own base of threads objects that resolve a > pid to a thread. > > This tables is built by the PERF_EVENT_COMM events. > > But ftrace events may need more than this table: they sometimes > require to store task comms that are not profiled by perf. What would be examples of such? Shouldnt we extend their tracing accordingly, so that we have all the comms we are interested in? Ingo