From: Tom Zanussi <tzanussi@gmail.com>
Date: Mon, 10 May 2010 04:46:59 +0000 (-0500)
Subject: perf/trace/scripting: syscall-counts-by-pid script cleanup
X-Git-Tag: firefly_0821_release~9833^2~1617^2~78
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=79e653f1bf2e52d12a952366e782dadf590b9d1d;p=firefly-linux-kernel-4.4.55.git

perf/trace/scripting: syscall-counts-by-pid script cleanup

A small fix for the syscall counts by pid script:

- silence the match output in the shell script

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
LKML-Reference: <1273466820-9330-9-git-send-email-tzanussi@gmail.com>
Signed-off-by: Tom Zanussi <tzanussi@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---

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 c53362e48602..9e9d8ddd72ce 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