perf/trace/scripting: syscall-counts script cleanup

A small fix for the syscall counts script:

 - silence the match output in the shell script

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
LKML-Reference: <1273466820-9330-10-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-report b/tools/perf/scripts/python/bin/syscall-counts-report
index 8c21552b3cdc38ab08dcdfa7ebce4822feca300d..dc076b618796fa999b3024540c9c747a2da4553a 100644 (file)
--- a/tools/perf/scripts/python/bin/syscall-counts-report
+++ b/tools/perf/scripts/python/bin/syscall-counts-report
@@ -2,7 +2,7 @@
 # description: system-wide syscall counts
 # args: [comm]
 if [ $# -gt 0 ] ; then
-    if ! expr match "$1" "-" ; then
+    if ! expr match "$1" "-" > /dev/null ; then
        comm=$1
        shift
     fi