From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752191AbcF0TD7 (ORCPT ); Mon, 27 Jun 2016 15:03:59 -0400 Received: from mail.kernel.org ([198.145.29.136]:37690 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751745AbcF0TD6 (ORCPT ); Mon, 27 Jun 2016 15:03:58 -0400 Date: Mon, 27 Jun 2016 16:03:51 -0300 From: Arnaldo Carvalho de Melo To: Jiri Olsa Cc: Wang Nan , linux-kernel@vger.kernel.org, pi3orama@163.com, lizefan@huawei.com Subject: Re: [PATCH v2 0/7] perf ctf: Convert comm, fork and exit events to CTF Message-ID: <20160627190351.GE27027@kernel.org> References: <1466767332-114472-1-git-send-email-wangnan0@huawei.com> <20160624122851.GE10142@krava> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160624122851.GE10142@krava> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.6.1 (2016-04-27) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Fri, Jun 24, 2016 at 02:28:51PM +0200, Jiri Olsa escreveu: > On Fri, Jun 24, 2016 at 11:22:05AM +0000, Wang Nan wrote: > > After converting perf.data to CTF, we lost pid-tid-comm mapping. Which > > makes inconvience. For example, in perf script output we know which > > process issue an event like this: > > > > compiz 19361 [001] 3275709.313929: raw_syscalls:sys_exit: NR 7 = 0 > > > > After converting to CTF, we only get this: > > > > [3275709.313929985] (+0.110646118) raw_syscalls:sys_exit: { cpu_id = 1 }, { perf_ip = 0xFFFFFFFF8107B2E8, perf_tid = 19361, perf_pid = 19361, perf_id = 18920, perf_period = 1, common_type = 16, common_flags = 0, common_preempt_count = 1, common_pid = 19361, id = 7, ret = 0 } > > > > Currently, if we want to find the name and parent of a process, we > > have to collect 'sched:sched_switch' event. > > > > This patch set adds a '--all' option to 'perf convert', converts comm, > > fork and exit events to CTF output. CTF user now can track the mapping > > by their own. > > > > v1 -> v2: Report number of sample and non-sample events when finish. > > rename opts.non_sample to opts.all. > > > > Wang Nan (7): > > perf ctf: Add value_set_string() helper > > perf ctf: Pass convert options through opts structure > > perf ctf: Add 'all' option > > perf ctf: Prepare collect non-sample events > > perf ctf: Generate comm event to CTF output > > perf ctf: Add '--all' option for 'perf data convert' > > perf ctf: Generate fork and exit events to CTF output > > Acked-by: Jiri Olsa Thanks, applied. - Arnaldo - Arnaldo