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[209.132.180.67]) by mx.google.com with ESMTP id n8-v6si14003010pgl.101.2018.07.09.03.50.10; Mon, 09 Jul 2018 03:50:24 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=f6vD4s5+; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754462AbeGIKtJ (ORCPT + 99 others); Mon, 9 Jul 2018 06:49:09 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:38276 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932571AbeGIKtA (ORCPT ); Mon, 9 Jul 2018 06:49:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=AU3VzjDuKP+hogjQcfzNF7swXQMTksQ5IubBbpoAgZk=; b=f6vD4s5+HHTM4r4XMJ91mXspk hudkWAETPeKnq1EVgj2Hptt3W9W/y9CvJtzs8uOkvb8iZC9a493nR+aNx7Lpu2C99ITrgZXf7lavV ngXxv0cLJ/FdfzBLeFECdwa0ndasI/LX+neTvzNPmCazq2X9RclhpY4GhmSEs1bEcuAxdwvqZsdVo envSIo4HGrNExD9MqypUCREIuVA1xes8KzIawW9Gux8bq0dKdQiob42gl8BhW5Odf/SWIGfwvfhuG obSBznWI7L7BFhwXpbisPzI/9EqwWlHQNHNs0LRQUdI+GqF65uN1tf0y+DOLhpXx1S+Ve8+uyc8sN GHliSK4AQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1fcTj0-00044B-QF; Mon, 09 Jul 2018 10:48:58 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 510A72029764D; Mon, 9 Jul 2018 12:48:57 +0200 (CEST) Date: Mon, 9 Jul 2018 12:48:57 +0200 From: Peter Zijlstra To: Xunlei Pang Cc: Ingo Molnar , Frederic Weisbecker , Tejun Heo , linux-kernel@vger.kernel.org Subject: Re: [PATCH] sched/cputime: Ensure correct utime and stime proportion Message-ID: <20180709104857.GK2476@hirez.programming.kicks-ass.net> 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5a3354c1-d3fe-33dc-53cf-6eb621177052@linux.alibaba.com> User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.