src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/MethodCounters.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2016 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
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -45,12 +45,14 @@
   }
 
   private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
     Type type      = db.lookupType("MethodCounters");
 
+    if (VM.getVM().isServerCompiler()) { 
     interpreterInvocationCountField = new CIntField(type.getCIntegerField("_interpreter_invocation_count"), 0);
     interpreterThrowoutCountField = new CIntField(type.getCIntegerField("_interpreter_throwout_count"), 0);
+    }
     if (!VM.getVM().isCore()) {
       invocationCounter        = new CIntField(type.getCIntegerField("_invocation_counter"), 0);
       backedgeCounter          = new CIntField(type.getCIntegerField("_backedge_counter"), 0);
     }
   }

@@ -59,15 +61,23 @@
   private static CIntField interpreterThrowoutCountField;
   private static CIntField invocationCounter;
   private static CIntField backedgeCounter;
 
   public int interpreterInvocationCount() {
+      if (interpreterInvocationCountField != null) {
     return (int) interpreterInvocationCountField.getValue(this);
+      } else {
+        return 0;
+      }
   }
 
   public int interpreterThrowoutCount() {
+      if (interpreterThrowoutCountField != null) {
     return (int) interpreterThrowoutCountField.getValue(this);
+      } else {
+        return 0;
+      }
   }
   public long getInvocationCounter() {
     if (Assert.ASSERTS_ENABLED) {
       Assert.that(!VM.getVM().isCore(), "must not be used in core build");
     }