From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965833AbcCJL3V (ORCPT ); Thu, 10 Mar 2016 06:29:21 -0500 Received: from mx1.redhat.com ([209.132.183.28]:53350 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965806AbcCJL3N (ORCPT ); Thu, 10 Mar 2016 06:29:13 -0500 Date: Thu, 10 Mar 2016 12:29:09 +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: <20160310112909.GB2617@krava.redhat.com> References: <1457049458-28956-1-git-send-email-andi@firstfloor.org> <1457049458-28956-5-git-send-email-andi@firstfloor.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1457049458-28956-5-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 Thu, Mar 03, 2016 at 03:57:35PM -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. > v5: Document more fields (Jiri) > v6: Move time stamp first > v7: More fixes (Jiri) Acked-by: Jiri Olsa thanks, jirka > Signed-off-by: Andi Kleen > --- > tools/perf/Documentation/perf-stat.txt | 23 +++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > > diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt > index 52ef7a9..e513a1c 100644 > --- a/tools/perf/Documentation/perf-stat.txt > +++ b/tools/perf/Documentation/perf-stat.txt > @@ -211,6 +211,29 @@ $ 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) > + - optional CPU, core, or socket identifier > + - optional number of logical CPUs aggregated > + - 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 >