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6479360: PrintClassHistogram improvements

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Jcmd <pid> GC.class_stats (UnlockDiagnosticVMOptions)

Reviewed-by: coleenp, hseigel, sla, acorn
This commit is contained in:
Ioi Lam 2013-01-25 15:06:18 -05:00 • committed by Karen Kinnear
parent 19303cc71d
commit 93b845e21b
23 changed files with 807 additions and 53 deletions
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6
hotspot/src/share/vm/oops/methodData.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 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
@ -32,6 +32,7 @@
#include "runtime/orderAccess.hpp"
class BytecodeStream;
class KlassSizeStats;
// The MethodData object collects counts and other profile information
// during zeroth-tier (interpretive) and first-tier execution.
@ -1289,6 +1290,9 @@ public:
// My size
int size_in_bytes() const { return _size; }
int size() const { return align_object_size(align_size_up(_size, BytesPerWord)/BytesPerWord); }
#if INCLUDE_SERVICES
void collect_statistics(KlassSizeStats *sz) const;
#endif
int creation_mileage() const { return _creation_mileage; }
void set_creation_mileage(int x) { _creation_mileage = x; }