linux-kernel - [PATCH 9/9] perf, tools, stat: Document CSV format in manpage

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Message-Id: <1441236954-24886-10-git-send-email-andi@firstfloor.org>
Date:	Wed,  2 Sep 2015 16:35:54 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	acme@...nel.org
Cc:	jolsa@...nel.org, linux-kernel@...r.kernel.org,
	Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 9/9] perf, tools, stat: Document CSV format in manpage

From: Andi Kleen <ak@...ux.intel.com>

With all the recently added fields in the perf stat CSV output
we should finally document them in the man page. Do this here.

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 tools/perf/Documentation/perf-stat.txt | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
index 47469ab..0541714 100644
--- a/tools/perf/Documentation/perf-stat.txt
+++ b/tools/perf/Documentation/perf-stat.txt
@@ -176,6 +176,25 @@ $ 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 "")
+
+The fields are in this order:
+
+	- optional usec time stamp in fractions of second (with -I xxx)
+	- unit of the counter value or empty
+	- event name
+	- counter value
+	- run time of counter
+	- percentage of measurement time the counter was running
+	- 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]
-- 
2.4.3

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