Index: tools/repeat
===================================================================
--- tools/repeat	(revision cc3e4d0fba2ab4dcc1616c82569b8f30a199e333)
+++ tools/repeat	(revision 7bbba7649454f6cfd175bc2eca517e4d75022e10)
@@ -20,5 +20,5 @@
 for (( i = 0; i < ITERATION; i ++ )); do
 	echo -ne "\r$i / $ITERATION"
-	$@ &
+	$@ > /dev/null &
 	child=$! 
 	wait "$child"