--- old/test/sun/jvmstat/perfdata/PrologSanity/PrologSizeSanityCheck.java	Mon Sep 19 00:29:47 2011
+++ new/test/sun/jvmstat/perfdata/PrologSanity/PrologSizeSanityCheck.java	Mon Sep 19 00:29:44 2011
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,6 +24,7 @@
 /*
  * @test
  * @bug 4990825
+ * @run main/othervm -XX:+UsePerfData
  * @summary prolog size and overflow sanity checks
  */