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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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10
hotspot/src/share/vm/oops/annotations.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 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
@ -34,6 +34,7 @@
class ClassLoaderData;
class outputStream;
class KlassSizeStats;
typedef Array<u1> AnnotationArray;
@ -82,7 +83,12 @@ class Annotations: public MetaspaceObj {
Array<AnnotationArray*>* mda, TRAPS);
void deallocate_contents(ClassLoaderData* loader_data);
DEBUG_ONLY(bool on_stack() { return false; }) // for template
// Sizing (in words)
static int size() { return sizeof(Annotations) / wordSize; }
#if INCLUDE_SERVICES
void collect_statistics(KlassSizeStats *sz) const;
#endif
// Constructor to initialize to null
Annotations() : _class_annotations(NULL),
@ -142,7 +148,7 @@ class Annotations: public MetaspaceObj {
void set_methods_annotations_of(instanceKlassHandle ik,
int idnum, AnnotationArray* anno,
Array<AnnotationArray*>** md_p, TRAPS);
static julong count_bytes(Array<AnnotationArray*>* p);
public:
const char* internal_name() const { return "{constant pool}"; }
#ifndef PRODUCT