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src/share/vm/gc_implementation/shared/gcHeapSummary.hpp@f90c822e73f8 (annotated)

src/share/vm/gc_implementation/shared/gcHeapSummary.hpp

Wed, 27 Apr 2016 01:25:04 +0800

author
aoqi
date
Wed, 27 Apr 2016 01:25:04 +0800
changeset 0
f90c822e73f8
child 6876
710a3c8b516e
permissions
-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 *
aoqi@0 23 */
aoqi@0 24
aoqi@0 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCHEAPSUMMARY_HPP
aoqi@0 26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCHEAPSUMMARY_HPP
aoqi@0 27
aoqi@0 28 #include "memory/allocation.hpp"
aoqi@0 29 #include "memory/metaspaceChunkFreeListSummary.hpp"
aoqi@0 30
aoqi@0 31 class VirtualSpaceSummary : public StackObj {
aoqi@0 32 HeapWord* _start;
aoqi@0 33 HeapWord* _committed_end;
aoqi@0 34 HeapWord* _reserved_end;
aoqi@0 35 public:
aoqi@0 36 VirtualSpaceSummary() :
aoqi@0 37 _start(NULL), _committed_end(NULL), _reserved_end(NULL) { }
aoqi@0 38 VirtualSpaceSummary(HeapWord* start, HeapWord* committed_end, HeapWord* reserved_end) :
aoqi@0 39 _start(start), _committed_end(committed_end), _reserved_end(reserved_end) { }
aoqi@0 40
aoqi@0 41 HeapWord* start() const { return _start; }
aoqi@0 42 HeapWord* committed_end() const { return _committed_end; }
aoqi@0 43 HeapWord* reserved_end() const { return _reserved_end; }
aoqi@0 44 size_t committed_size() const { return (uintptr_t)_committed_end - (uintptr_t)_start; }
aoqi@0 45 size_t reserved_size() const { return (uintptr_t)_reserved_end - (uintptr_t)_start; }
aoqi@0 46 };
aoqi@0 47
aoqi@0 48 class SpaceSummary : public StackObj {
aoqi@0 49 HeapWord* _start;
aoqi@0 50 HeapWord* _end;
aoqi@0 51 size_t _used;
aoqi@0 52 public:
aoqi@0 53 SpaceSummary() :
aoqi@0 54 _start(NULL), _end(NULL), _used(0) { }
aoqi@0 55 SpaceSummary(HeapWord* start, HeapWord* end, size_t used) :
aoqi@0 56 _start(start), _end(end), _used(used) { }
aoqi@0 57
aoqi@0 58 HeapWord* start() const { return _start; }
aoqi@0 59 HeapWord* end() const { return _end; }
aoqi@0 60 size_t used() const { return _used; }
aoqi@0 61 size_t size() const { return (uintptr_t)_end - (uintptr_t)_start; }
aoqi@0 62 };
aoqi@0 63
aoqi@0 64 class MetaspaceSizes : public StackObj {
aoqi@0 65 size_t _committed;
aoqi@0 66 size_t _used;
aoqi@0 67 size_t _reserved;
aoqi@0 68
aoqi@0 69 public:
aoqi@0 70 MetaspaceSizes() : _committed(0), _used(0), _reserved(0) {}
aoqi@0 71 MetaspaceSizes(size_t committed, size_t used, size_t reserved) :
aoqi@0 72 _committed(committed), _used(used), _reserved(reserved) {}
aoqi@0 73
aoqi@0 74 size_t committed() const { return _committed; }
aoqi@0 75 size_t used() const { return _used; }
aoqi@0 76 size_t reserved() const { return _reserved; }
aoqi@0 77 };
aoqi@0 78
aoqi@0 79 class GCHeapSummary;
aoqi@0 80 class PSHeapSummary;
aoqi@0 81
aoqi@0 82 class GCHeapSummaryVisitor {
aoqi@0 83 public:
aoqi@0 84 virtual void visit(const GCHeapSummary* heap_summary) const = 0;
aoqi@0 85 virtual void visit(const PSHeapSummary* heap_summary) const {}
aoqi@0 86 };
aoqi@0 87
aoqi@0 88 class GCHeapSummary : public StackObj {
aoqi@0 89 VirtualSpaceSummary _heap;
aoqi@0 90 size_t _used;
aoqi@0 91
aoqi@0 92 public:
aoqi@0 93 GCHeapSummary() :
aoqi@0 94 _heap(), _used(0) { }
aoqi@0 95 GCHeapSummary(VirtualSpaceSummary& heap_space, size_t used) :
aoqi@0 96 _heap(heap_space), _used(used) { }
aoqi@0 97
aoqi@0 98 const VirtualSpaceSummary& heap() const { return _heap; }
aoqi@0 99 size_t used() const { return _used; }
aoqi@0 100
aoqi@0 101 virtual void accept(GCHeapSummaryVisitor* visitor) const {
aoqi@0 102 visitor->visit(this);
aoqi@0 103 }
aoqi@0 104 };
aoqi@0 105
aoqi@0 106 class PSHeapSummary : public GCHeapSummary {
aoqi@0 107 VirtualSpaceSummary _old;
aoqi@0 108 SpaceSummary _old_space;
aoqi@0 109 VirtualSpaceSummary _young;
aoqi@0 110 SpaceSummary _eden;
aoqi@0 111 SpaceSummary _from;
aoqi@0 112 SpaceSummary _to;
aoqi@0 113 public:
aoqi@0 114 PSHeapSummary(VirtualSpaceSummary& heap_space, size_t heap_used, VirtualSpaceSummary old, SpaceSummary old_space, VirtualSpaceSummary young, SpaceSummary eden, SpaceSummary from, SpaceSummary to) :
aoqi@0 115 GCHeapSummary(heap_space, heap_used), _old(old), _old_space(old_space), _young(young), _eden(eden), _from(from), _to(to) { }
aoqi@0 116 const VirtualSpaceSummary& old() const { return _old; }
aoqi@0 117 const SpaceSummary& old_space() const { return _old_space; }
aoqi@0 118 const VirtualSpaceSummary& young() const { return _young; }
aoqi@0 119 const SpaceSummary& eden() const { return _eden; }
aoqi@0 120 const SpaceSummary& from() const { return _from; }
aoqi@0 121 const SpaceSummary& to() const { return _to; }
aoqi@0 122
aoqi@0 123 virtual void accept(GCHeapSummaryVisitor* visitor) const {
aoqi@0 124 visitor->visit(this);
aoqi@0 125 }
aoqi@0 126 };
aoqi@0 127
aoqi@0 128 class MetaspaceSummary : public StackObj {
aoqi@0 129 size_t _capacity_until_GC;
aoqi@0 130 MetaspaceSizes _meta_space;
aoqi@0 131 MetaspaceSizes _data_space;
aoqi@0 132 MetaspaceSizes _class_space;
aoqi@0 133 MetaspaceChunkFreeListSummary _metaspace_chunk_free_list_summary;
aoqi@0 134 MetaspaceChunkFreeListSummary _class_chunk_free_list_summary;
aoqi@0 135
aoqi@0 136 public:
aoqi@0 137 MetaspaceSummary() :
aoqi@0 138 _capacity_until_GC(0),
aoqi@0 139 _meta_space(),
aoqi@0 140 _data_space(),
aoqi@0 141 _class_space(),
aoqi@0 142 _metaspace_chunk_free_list_summary(),
aoqi@0 143 _class_chunk_free_list_summary()
aoqi@0 144 {}
aoqi@0 145 MetaspaceSummary(size_t capacity_until_GC,
aoqi@0 146 const MetaspaceSizes& meta_space,
aoqi@0 147 const MetaspaceSizes& data_space,
aoqi@0 148 const MetaspaceSizes& class_space,
aoqi@0 149 const MetaspaceChunkFreeListSummary& metaspace_chunk_free_list_summary,
aoqi@0 150 const MetaspaceChunkFreeListSummary& class_chunk_free_list_summary) :
aoqi@0 151 _capacity_until_GC(capacity_until_GC),
aoqi@0 152 _meta_space(meta_space),
aoqi@0 153 _data_space(data_space),
aoqi@0 154 _class_space(class_space),
aoqi@0 155 _metaspace_chunk_free_list_summary(metaspace_chunk_free_list_summary),
aoqi@0 156 _class_chunk_free_list_summary(class_chunk_free_list_summary)
aoqi@0 157 {}
aoqi@0 158
aoqi@0 159 size_t capacity_until_GC() const { return _capacity_until_GC; }
aoqi@0 160 const MetaspaceSizes& meta_space() const { return _meta_space; }
aoqi@0 161 const MetaspaceSizes& data_space() const { return _data_space; }
aoqi@0 162 const MetaspaceSizes& class_space() const { return _class_space; }
aoqi@0 163
aoqi@0 164 const MetaspaceChunkFreeListSummary& metaspace_chunk_free_list_summary() const {
aoqi@0 165 return _metaspace_chunk_free_list_summary;
aoqi@0 166 }
aoqi@0 167
aoqi@0 168 const MetaspaceChunkFreeListSummary& class_chunk_free_list_summary() const {
aoqi@0 169 return _class_chunk_free_list_summary;
aoqi@0 170 }
aoqi@0 171
aoqi@0 172 };
aoqi@0 173
aoqi@0 174 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCHEAPSUMMARY_HPP

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