linux-kernel - [PATCH 09/10] perf/trace/scripting: syscall-counts-by-pid script cleanup

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Message-Id: <1273531987-28956-10-git-send-email-acme@infradead.org>
Date:	Mon, 10 May 2010 19:53:07 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org, Tom Zanussi <tzanussi@...il.com>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 09/10] perf/trace/scripting: syscall-counts-by-pid script cleanup

From: Tom Zanussi <tzanussi@...il.com>

A small fix for the syscall counts by pid script:

- silence the match output in the shell script

Cc: Frédéric Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...e.hu>
LKML-Reference: <1273466820-9330-9-git-send-email-tzanussi@...il.com>
Signed-off-by: Tom Zanussi <tzanussi@...il.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 .../python/bin/syscall-counts-by-pid-report        |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/scripts/python/bin/syscall-counts-by-pid-report b/tools/perf/scripts/python/bin/syscall-counts-by-pid-report
index c53362e..9e9d8dd 100644
--- a/tools/perf/scripts/python/bin/syscall-counts-by-pid-report
+++ b/tools/perf/scripts/python/bin/syscall-counts-by-pid-report
@@ -2,7 +2,7 @@
 # description: system-wide syscall counts, by pid
 # args: [comm]
 if [ $# -gt 0 ] ; then
-    if ! expr match "$1" "-" ; then
+    if ! expr match "$1" "-" > /dev/null ; then
 	comm=$1
 	shift
     fi
-- 
1.6.2.5

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