--- old/test/hotspot/jtreg/runtime/Metaspace/DefineClass.java	2020-01-13 14:21:03.900501874 -0500
+++ new/test/hotspot/jtreg/runtime/Metaspace/DefineClass.java	2020-01-13 14:21:03.644495564 -0500
@@ -211,7 +211,7 @@
         try {
             ObjectName diagCmd = new ObjectName("com.sun.management:type=DiagnosticCommand");
 
-            String result = (String)mbserver.invoke(diagCmd , "gcClassStats" , new Object[] { null }, new String[] {String[].class.getName()});
+            String result = (String)mbserver.invoke(diagCmd , "gcClassHistogram" , new Object[] { null }, new String[] {String[].class.getName()});
             int count = 0;
             try (Scanner s = new Scanner(result)) {
                 if (s.hasNextLine()) {