From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753499AbcCAMcQ (ORCPT ); Tue, 1 Mar 2016 07:32:16 -0500 Received: from mx1.redhat.com ([209.132.183.28]:36774 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753447AbcCAMcO (ORCPT ); Tue, 1 Mar 2016 07:32:14 -0500 Date: Tue, 1 Mar 2016 13:32:11 +0100 From: Jiri Olsa To: Andi Kleen Cc: acme@kernel.org, jolsa@kernel.org, linux-kernel@vger.kernel.org, Andi Kleen Subject: Re: [PATCH 4/7] perf, tools, stat: Document CSV format in manpage Message-ID: <20160301123211.GE622@krava.redhat.com> References: <1456785386-19481-1-git-send-email-andi@firstfloor.org> <1456785386-19481-5-git-send-email-andi@firstfloor.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1456785386-19481-5-git-send-email-andi@firstfloor.org> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 29, 2016 at 02:36:23PM -0800, Andi Kleen wrote: > From: Andi Kleen > > With all the recently added fields in the perf stat CSV output > we should finally document them in the man page. Do this here. > > v2: Fix fields in documentation (Jiri) > v3: fix order of fields again (Jiri) > v4: Change order again. > Signed-off-by: Andi Kleen > --- > tools/perf/Documentation/perf-stat.txt | 21 +++++++++++++++++++++ > 1 file changed, 21 insertions(+) > > diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt > index 52ef7a9..3ae7907 100644 > --- a/tools/perf/Documentation/perf-stat.txt > +++ b/tools/perf/Documentation/perf-stat.txt > @@ -211,6 +211,27 @@ $ perf stat -- make -j > > Wall-clock time elapsed: 719.554352 msecs > > +CSV FORMAT > +---------- > + > +With -x, perf stat is able to output a not-quite-CSV format output > +Commas in the output are not put into "". To make it easy to parse > +it is recommended to use a different character like -x \; > + > +The fields are in this order: > + > + - optional usec time stamp in fractions of second (with -I xxx) there's also optional CPU field in case you do other than GLOBAL aggregation: [jolsa@krava perf]$ sudo ./perf.old stat -a -A -x, kill kill: not enough arguments CPU0,0.629921,,task-clock,629706,100.00 [jolsa@krava perf]$ sudo ./perf.old stat -a --per-core -x, kill kill: not enough arguments S0-C0,2,1.168179,,task-clock,1167956,100.00 [jolsa@krava perf]$ sudo ./perf.old stat -a --per-socket -x, kill kill: not enough arguments S0,4,2.296581,,task-clock,2296198,100.00 thanks, jirka > + - counter value > + - unit of the counter value or empty > + - event name > + - run time of counter > + - percentage of measurement time the counter was running > + - optional variance if multiple values are collected with -r > + - optional metric value > + - optional unit of metric > + > +Additional metrics may be printed with all earlier fields being empty. > + > SEE ALSO > -------- > linkperf:perf-top[1], linkperf:perf-list[1] > -- > 2.5.0 >