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comparison src/share/vm/gc_implementation/shared/cSpaceCounters.hpp @ 6725:da91efe96a93

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6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents d2a62e0f25eb
children
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
36 friend class VMStructs; 36 friend class VMStructs;
37 37
38 private: 38 private:
39 PerfVariable* _capacity; 39 PerfVariable* _capacity;
40 PerfVariable* _used; 40 PerfVariable* _used;
41 PerfVariable* _max_capacity;
41 42
42 // Constant PerfData types don't need to retain a reference. 43 // Constant PerfData types don't need to retain a reference.
43 // However, it's a good idea to document them here. 44 // However, it's a good idea to document them here.
44 // PerfConstant* _size; 45 // PerfConstant* _size;
45 46
53 54
54 ~CSpaceCounters() { 55 ~CSpaceCounters() {
55 if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtInternal); 56 if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtInternal);
56 } 57 }
57 58
58 inline void update_capacity() { 59 virtual inline void update_capacity() {
59 _capacity->set_value(_space->capacity()); 60 _capacity->set_value(_space->capacity());
60 } 61 }
61 62
62 inline void update_used() { 63 virtual inline void update_used() {
63 _used->set_value(_space->used()); 64 _used->set_value(_space->used());
64 } 65 }
65 66
66 inline void update_all() { 67 virtual inline void update_all() {
67 update_used(); 68 update_used();
68 update_capacity(); 69 update_capacity();
69 } 70 }
70 71
71 const char* name_space() const { return _name_space; } 72 const char* name_space() const { return _name_space; }