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diff src/share/vm/interpreter/invocationCounter.cpp @ 10105:aeaca88565e6

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8010862: The Method counter fields used for profiling can be allocated lazily. Summary: Allocate the method's profiling related metadata until they are needed. Reviewed-by: coleenp, roland
author jiangli
date Tue, 09 Apr 2013 17:17:41 -0400
parents f95d63e2154a
children 836a62f43af9
line wrap: on
line diff
--- a/src/share/vm/interpreter/invocationCounter.cpp	Thu Apr 04 21:15:43 2013 -0700
+++ b/src/share/vm/interpreter/invocationCounter.cpp	Tue Apr 09 17:17:41 2013 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2013, 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
@@ -104,15 +104,19 @@
 
 static address do_nothing(methodHandle method, TRAPS) {
   // dummy action for inactive invocation counters
-  method->invocation_counter()->set_carry();
-  method->invocation_counter()->set_state(InvocationCounter::wait_for_nothing);
+  MethodCounters* mcs = method->method_counters();
+  assert(mcs != NULL, "");
+  mcs->invocation_counter()->set_carry();
+  mcs->invocation_counter()->set_state(InvocationCounter::wait_for_nothing);
   return NULL;
 }
 
 
 static address do_decay(methodHandle method, TRAPS) {
   // decay invocation counters so compilation gets delayed
-  method->invocation_counter()->decay();
+  MethodCounters* mcs = method->method_counters();
+  assert(mcs != NULL, "");
+  mcs->invocation_counter()->decay();
   return NULL;
 }