--- a/jdk/test/com/sun/tools/attach/RunnerUtil.java	Tue Jun 09 16:48:54 2015 +0200
+++ b/jdk/test/com/sun/tools/attach/RunnerUtil.java	Tue Jun 09 10:11:11 2015 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2015, 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
@@ -48,7 +48,7 @@
      */
     public static ProcessThread startApplication(String... additionalOpts) throws Throwable {
         String classpath = System.getProperty("test.class.path", ".");
-        String[] myArgs = concat(additionalOpts, new String [] { "-Dattach.test=true", "-classpath", classpath, "Application" });
+        String[] myArgs = concat(additionalOpts, new String [] { "-XX:+UsePerfData", "-Dattach.test=true", "-classpath", classpath, "Application" });
         String[] args = Utils.addTestJavaOpts(myArgs);
         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args);
         ProcessThread pt = new ProcessThread("runApplication", (line) -> line.equals(Application.READY_MSG), pb);