From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964954AbcCKIwx (ORCPT ); Fri, 11 Mar 2016 03:52:53 -0500 Received: from torg.zytor.com ([198.137.202.12]:33588 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S964975AbcCKIwM (ORCPT ); Fri, 11 Mar 2016 03:52:12 -0500 Date: Fri, 11 Mar 2016 00:52:00 -0800 From: tip-bot for Andi Kleen Message-ID: Cc: linux-kernel@vger.kernel.org, jolsa@kernel.org, tglx@linutronix.de, ak@linux.intel.com, acme@redhat.com, hpa@zytor.com, mingo@kernel.org Reply-To: hpa@zytor.com, ak@linux.intel.com, acme@redhat.com, mingo@kernel.org, jolsa@kernel.org, linux-kernel@vger.kernel.org, tglx@linutronix.de In-Reply-To: <1457049458-28956-5-git-send-email-andi@firstfloor.org> References: <1457049458-28956-5-git-send-email-andi@firstfloor.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf stat: Document CSV format in manpage Git-Commit-ID: 6b45f7b2a37b0e00693985fd0abfc8e0319f91ce X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 6b45f7b2a37b0e00693985fd0abfc8e0319f91ce Gitweb: http://git.kernel.org/tip/6b45f7b2a37b0e00693985fd0abfc8e0319f91ce Author: Andi Kleen AuthorDate: Thu, 3 Mar 2016 15:57:35 -0800 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 10 Mar 2016 16:49:06 -0300 perf stat: Document CSV format in manpage 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) Signed-off-by: Andi Kleen Acked-by: Jiri Olsa Link: http://lkml.kernel.org/r/1457049458-28956-5-git-send-email-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo --- 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 14d9e8f..8812d73 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -219,6 +219,29 @@ $ 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]