X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Ftests%2Frunvmstat;h=8a5a7df7c532754eb012f8f275fe78ddb83292de;hb=5f579b16ada4df756e50109004def3c594c0b1a2;hp=f414cccfb2794bc76644201ec1b9f65b94f1e748;hpb=a2a0746305449dbd925879b14dc2c0d6040bb8bf;p=fs%2Flustre-release.git

diff --git a/lustre/tests/runvmstat b/lustre/tests/runvmstat
index f414ccc..8a5a7df 100755
--- a/lustre/tests/runvmstat
+++ b/lustre/tests/runvmstat
@@ -1,6 +1,24 @@
 #!/bin/sh
-vmstat 1 | while read LINE ; do
+DELAY=1
+null() {
+	:
+}
+
+case "$1" in
+-q)	echo "echo off"
+	ECHO="null"
+	shift ;;
+[1-9]*)
+	DELAY=$1
+	ECHO=echo
+	shift ;;
+*)
+	echo "echo on"
+	ECHO=echo
+esac
+
+vmstat $DELAY | while read LINE ; do
 	LINE="`date +%s`: $LINE"
-	echo "$LINE"
+	$ECHO "$LINE"
 	[ "$1" ] && echo "$LINE" >> $1
 done