From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751868AbZHOJNj (ORCPT ); Sat, 15 Aug 2009 05:13:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751285AbZHOJNi (ORCPT ); Sat, 15 Aug 2009 05:13:38 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:34316 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751157AbZHOJNi (ORCPT ); Sat, 15 Aug 2009 05:13:38 -0400 Date: Sat, 15 Aug 2009 11:13:15 +0200 From: Ingo Molnar To: Pekka Enberg Cc: Peter Zijlstra , Arnaldo Carvalho de Melo , paulus@samba.org, linux-kernel@vger.kernel.org, Anton Blanchard , Arjan van de Ven Subject: Re: [PATCH] perf_counter: Report the cloning task as parent on perf_counter_fork() Message-ID: <20090815091315.GA8719@elte.hu> References: <1250155708.6052.2.camel@penberg-laptop> <1250172882.5241.62.camel@twins> <4A8678C4.4060309@cs.helsinki.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4A8678C4.4060309@cs.helsinki.fi> 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 * Pekka Enberg wrote: > Peter Zijlstra wrote: >> A bug in (9f498cc: perf_counter: Full task tracing) makes profiling >> multi-threaded apps it go belly up. > > Thanks! > > Tested-by: Pekka Enberg > > I hope the fix makes it to 2.6.31 final as perf is unusable for > multi-threaded applications. Yeah, the fix is already in -rc6. Ingo