From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2DFFBC6778A for ; Mon, 9 Jul 2018 15:00:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E4FD220875 for ; Mon, 9 Jul 2018 15:00:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E4FD220875 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933278AbeGIPAR (ORCPT ); Mon, 9 Jul 2018 11:00:17 -0400 Received: from out30-133.freemail.mail.aliyun.com ([115.124.30.133]:44970 "EHLO out30-133.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932903AbeGIPAP (ORCPT ); Mon, 9 Jul 2018 11:00:15 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R921e4;CH=green;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04400;MF=xlpang@linux.alibaba.com;NM=1;PH=DS;RN=5;SR=0;TI=SMTPD_---0T4ILWfP_1531148410; Received: from xunleideMacBook-Pro.local(mailfrom:xlpang@linux.alibaba.com fp:SMTPD_---0T4ILWfP_1531148410) by smtp.aliyun-inc.com(127.0.0.1); Mon, 09 Jul 2018 23:00:10 +0800 Reply-To: xlpang@linux.alibaba.com Subject: Re: [PATCH] sched/cputime: Ensure correct utime and stime proportion To: Peter Zijlstra Cc: Ingo Molnar , Frederic Weisbecker , Tejun Heo , linux-kernel@vger.kernel.org References: <20180622071542.61569-1-xlpang@linux.alibaba.com> <20180626154908.GE2458@hirez.programming.kicks-ass.net> <20180705104632.GE2494@hirez.programming.kicks-ass.net> <5a3354c1-d3fe-33dc-53cf-6eb621177052@linux.alibaba.com> <20180709104857.GK2476@hirez.programming.kicks-ass.net> From: Xunlei Pang Message-ID: <566b7d56-9139-a524-3108-54ba231f295c@linux.alibaba.com> Date: Mon, 9 Jul 2018 23:00:10 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.9.0 MIME-Version: 1.0 In-Reply-To: <20180709104857.GK2476@hirez.programming.kicks-ass.net> Content-Type: text/plain; charset=gbk Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Peter, On 7/9/18 6:48 PM, Peter Zijlstra wrote: > On Mon, Jul 09, 2018 at 01:52:38PM +0800, Xunlei Pang wrote: >> Please see the enclosure for the reproducer cputime_adjust.tgz > > No, I'm not going to reverse engineer something if you cannot even > explain what the problem is. > I rewrote the whole changelog and sent v2, please have a look. Thanks, Xunlei