Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757580Ab1DXPCd (ORCPT ); Sun, 24 Apr 2011 11:02:33 -0400 Received: from mga02.intel.com ([134.134.136.20]:19403 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757429Ab1DXPCb (ORCPT ); Sun, 24 Apr 2011 11:02:31 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.64,263,1301900400"; d="scan'208";a="737696365" Subject: Re: [2.6.39-rc2] perf top fails to mmap - bisected to 70db7533 From: Lin Ming To: David Ahern Cc: Tim Blechmann , Peter Zijlstra , Arnaldo Carvalho de Melo , linux-kernel In-Reply-To: <4DB42988.7060607@gmail.com> References: <1303570271.3363.4.camel@localhost> <201104241347.52486.tim@klingt.org> <4DB42988.7060607@gmail.com> Content-Type: text/plain; charset="UTF-8" Date: Sun, 24 Apr 2011 23:02:04 +0800 Message-Id: <1303657324.2239.26.camel@localhost> Mime-Version: 1.0 X-Mailer: Evolution 2.28.0 (2.28.0-2.fc12) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1366 Lines: 46 On Sun, 2011-04-24 at 21:45 +0800, David Ahern wrote: > > On 04/24/11 05:47, Tim Blechmann wrote: > >>>> I know you've been busy with other stuff the past few weeks, but have > >>>> you had a chance to look into this? Basically, perf in 2.6.39 is broken > >>>> when trying to profile a process (-p argument to record or top). > >>> > >>> Let me take a look at this. > >> > >> Below patch fixes the same problem on my box. > >> Could you have a try it? > > > > i have done some quick tests with this patch applied on linus/master ... works > > fine for me, thanks a lot! > > Works for me as well. Thanks for test. I have send out the format patch. http://marc.info/?l=linux-kernel&m=130365710014862&w=2 Lin Ming > > > > >> >From 89f1ab02cd8da55f8829b2f2d7e700fdae77b3af Mon Sep 17 00:00:00 2001 > >> > >> From: Lin Ming > >> Date: Sat, 23 Apr 2011 14:54:33 +0000 > >> Subject: [PATCH] perf: Allow set output event for task in the same thread > >> group > >> > >> Signed-off-by: Lin Ming > > > > Tested-by: Tim Blechmann > > > > cheers, tim > > -- 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/