linux-kernel - [tip:perf/core] perf report: Update documention of --percent-limit option

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Message-ID: <tip-1ba2fc6de4ac1a87e3ece65651795760ea5cf658@git.kernel.org>
Date:	Thu, 4 Feb 2016 04:42:45 -0800
From:	tip-bot for Namhyung Kim <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...nel.org, mingo@...nel.org, namhyung@...nel.org,
	hpa@...or.com, andi@...stfloor.org, acme@...hat.com,
	peterz@...radead.org, tglx@...utronix.de,
	linux-kernel@...r.kernel.org, wangnan0@...wei.com,
	jolsa@...nel.org, eranian@...gle.com, dsahern@...il.com
Subject: [tip:perf/core] perf report:
  Update documention of --percent-limit option

Commit-ID:  1ba2fc6de4ac1a87e3ece65651795760ea5cf658
Gitweb:     http://git.kernel.org/tip/1ba2fc6de4ac1a87e3ece65651795760ea5cf658
Author:     Namhyung Kim <namhyung@...nel.org>
AuthorDate: Wed, 3 Feb 2016 23:11:21 +0900
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 3 Feb 2016 12:24:21 -0300

perf report: Update documention of --percent-limit option

The --percent-limit option was changed to be applied to callchains as
well as to hist entries recently, but it missed to update the doc.

Reported-by: Arnaldo Carvalho de Melo <acme@...nel.org>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
Cc: Andi Kleen <andi@...stfloor.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/r/1454508683-5735-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/Documentation/perf-report.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 1cb8fac..89cab84 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -351,7 +351,10 @@ OPTIONS
 
 --percent-limit::
 	Do not show entries which have an overhead under that percent.
-	(Default: 0).
+	(Default: 0).  Note that this option also sets the percent limit (threshold)
+	of callchains.  However the default value of callchain threshold is
+	different than the default value of hist entries.  Please see the
+	--call-graph option for details.
 
 --percentage::
 	Determine how to display the overhead percentage of filtered entries.