--- a/jdk/test/sun/tools/jps/JpsHelper.java	Mon Mar 16 09:32:34 2015 +0100
+++ b/jdk/test/sun/tools/jps/JpsHelper.java	Thu Mar 19 09:01:44 2015 +0100
@@ -151,6 +151,7 @@
      */
     public static OutputAnalyzer jps(List<String> vmArgs, List<String> toolArgs) throws Exception {
         JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jps");
+        launcher.addVMArg("-XX:+UsePerfData");
         if (vmArgs != null) {
             for (String vmArg : vmArgs) {
                 launcher.addVMArg(vmArg);