Index: tools/repeat
===================================================================
--- tools/repeat	(revision fda816874a6a323b57c9ce0409b20c6c3ddea4cf)
+++ tools/repeat	(revision fa4805fa298698201db6b7292ed9cb1cc00af9ef)
@@ -20,5 +20,5 @@
 for (( i = 0; i < ITERATION; i ++ )); do
 	echo -ne "\r$i / $ITERATION"
-	$@ &
+	$@ > /dev/null &
 	child=$! 
 	wait "$child"