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8010862: The Method counter fields used for profiling can be allocated lazily

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Allocate the method's profiling related metadata until they are needed.

Reviewed-by: coleenp, roland
This commit is contained in:
Jiangli Zhou 2013-04-09 17:17:41 -04:00
parent 0afa77628c
commit 56370657b9
34 changed files with 773 additions and 295 deletions
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5
hotspot/src/share/vm/runtime/fprofiler.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2012, 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
@ -421,7 +421,8 @@ class interpretedNode : public ProfilerNode {
void print_method_on(outputStream* st) {
ProfilerNode::print_method_on(st);
if (Verbose) method()->invocation_counter()->print_short();
MethodCounters* mcs = method()->method_counters();
if (Verbose && mcs != NULL) mcs->invocation_counter()->print_short();
}
};