From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754518Ab1LVAS2 (ORCPT ); Wed, 21 Dec 2011 19:18:28 -0500 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:32980 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754392Ab1LVAS0 (ORCPT ); Wed, 21 Dec 2011 19:18:26 -0500 Message-ID: <4EF2773E.4070308@fb.com> Date: Wed, 21 Dec 2011 16:18:06 -0800 From: Arun Sharma User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:8.0) Gecko/20111105 Thunderbird/8.0 MIME-Version: 1.0 To: CC: , Peter Zijlstra , Steven Rostedt , Mathieu Desnoyers , Arnaldo Carvalho de Melo , Frederic Weisbecker , Ingo Molnar Subject: Re: [PATCH 2/2] tracing, sched: Add a new tracepoint for sleeptime References: <1324404558-353-1-git-send-email-asharma@fb.com> <1324404558-353-3-git-send-email-asharma@fb.com> <4EF1B86D.9030809@openvz.org> In-Reply-To: <4EF1B86D.9030809@openvz.org> Content-Type: text/plain; charset="KOI8-R"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [192.168.18.252] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.5.7110,1.0.211,0.0.0000 definitions=2011-12-21_08:2011-12-21,2011-12-21,1970-01-01 signatures=0 X-Proofpoint-Spam-Reason: safe Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/21/11 2:43 AM, Andrey Vagin wrote: > Arun, probably you have missed one of my comments. > block_start and sleep_start should be zeroized here. > > tsk->se.statistics.block_start = 0; > tsk->se.statistics.sleep_start = 0; > > The following program provokes this problem: Yes - I overlooked the comment. Thanks for bringing it up (especially the test program). Fixed in v3. -Arun