From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755567AbcETDCn (ORCPT ); Thu, 19 May 2016 23:02:43 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:45433 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752453AbcETDCm (ORCPT ); Thu, 19 May 2016 23:02:42 -0400 Subject: Re: [PATCH v4 2/6] perf tools: Promote proper messages for cross-platform unwind To: Jiri Olsa , Arnaldo Carvalho de Melo References: <1463658462-85131-1-git-send-email-hekuang@huawei.com> <1463658462-85131-3-git-send-email-hekuang@huawei.com> <20160519145010.GA22286@kernel.org> <20160519161923.GB18909@krava> CC: , , , , , , , , , , , , , , , From: Hekuang Message-ID: <573E7DE8.0@huawei.com> Date: Fri, 20 May 2016 11:00:56 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: <20160519161923.GB18909@krava> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [10.110.55.166] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020206.573E7DFA.0172,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 938e7a7958a4501a3bf489a20e52d8fd Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2016/5/20 0:19, Jiri Olsa 写道: > On Thu, May 19, 2016 at 11:50:10AM -0300, Arnaldo Carvalho de Melo wrote: >> Em Thu, May 19, 2016 at 11:47:38AM +0000, He Kuang escreveu: >>> Currently, perf script uses host unwind methods to parse perf.data >>> callchain info regardless of the target architecture. So we get wrong >>> result and no promotion when unwinding callchains of x86(32-bit) on >> What you mean by "promotion" here? Can you use some other synonym so >> that I can make sense of this description? > I'd say something like: s/and no promotion/without any warning/ > > jirka Yes, that's what I want to express.