Mercurial > jdk8-mips64-public > hotspot / file revision
src/share/vm/gc_implementation/shared/gcHeapSummary.hpp@f90c822e73f8
src/share/vm/gc_implementation/shared/gcHeapSummary.hpp
Wed, 27 Apr 2016 01:25:04 +0800
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- aoqi
- date
- Wed, 27 Apr 2016 01:25:04 +0800
- changeset 0
- f90c822e73f8
- child 6876
- 710a3c8b516e
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http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17
1 /*
2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
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
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCHEAPSUMMARY_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCHEAPSUMMARY_HPP
28 #include "memory/allocation.hpp"
29 #include "memory/metaspaceChunkFreeListSummary.hpp"
31 class VirtualSpaceSummary : public StackObj {
32 HeapWord* _start;
33 HeapWord* _committed_end;
34 HeapWord* _reserved_end;
35 public:
36 VirtualSpaceSummary() :
37 _start(NULL), _committed_end(NULL), _reserved_end(NULL) { }
38 VirtualSpaceSummary(HeapWord* start, HeapWord* committed_end, HeapWord* reserved_end) :
39 _start(start), _committed_end(committed_end), _reserved_end(reserved_end) { }
41 HeapWord* start() const { return _start; }
42 HeapWord* committed_end() const { return _committed_end; }
43 HeapWord* reserved_end() const { return _reserved_end; }
44 size_t committed_size() const { return (uintptr_t)_committed_end - (uintptr_t)_start; }
45 size_t reserved_size() const { return (uintptr_t)_reserved_end - (uintptr_t)_start; }
46 };
48 class SpaceSummary : public StackObj {
49 HeapWord* _start;
50 HeapWord* _end;
51 size_t _used;
52 public:
53 SpaceSummary() :
54 _start(NULL), _end(NULL), _used(0) { }
55 SpaceSummary(HeapWord* start, HeapWord* end, size_t used) :
56 _start(start), _end(end), _used(used) { }
58 HeapWord* start() const { return _start; }
59 HeapWord* end() const { return _end; }
60 size_t used() const { return _used; }
61 size_t size() const { return (uintptr_t)_end - (uintptr_t)_start; }
62 };
64 class MetaspaceSizes : public StackObj {
65 size_t _committed;
66 size_t _used;
67 size_t _reserved;
69 public:
70 MetaspaceSizes() : _committed(0), _used(0), _reserved(0) {}
71 MetaspaceSizes(size_t committed, size_t used, size_t reserved) :
72 _committed(committed), _used(used), _reserved(reserved) {}
74 size_t committed() const { return _committed; }
75 size_t used() const { return _used; }
76 size_t reserved() const { return _reserved; }
77 };
79 class GCHeapSummary;
80 class PSHeapSummary;
82 class GCHeapSummaryVisitor {
83 public:
84 virtual void visit(const GCHeapSummary* heap_summary) const = 0;
85 virtual void visit(const PSHeapSummary* heap_summary) const {}
86 };
88 class GCHeapSummary : public StackObj {
89 VirtualSpaceSummary _heap;
90 size_t _used;
92 public:
93 GCHeapSummary() :
94 _heap(), _used(0) { }
95 GCHeapSummary(VirtualSpaceSummary& heap_space, size_t used) :
96 _heap(heap_space), _used(used) { }
98 const VirtualSpaceSummary& heap() const { return _heap; }
99 size_t used() const { return _used; }
101 virtual void accept(GCHeapSummaryVisitor* visitor) const {
102 visitor->visit(this);
103 }
104 };
106 class PSHeapSummary : public GCHeapSummary {
107 VirtualSpaceSummary _old;
108 SpaceSummary _old_space;
109 VirtualSpaceSummary _young;
110 SpaceSummary _eden;
111 SpaceSummary _from;
112 SpaceSummary _to;
113 public:
114 PSHeapSummary(VirtualSpaceSummary& heap_space, size_t heap_used, VirtualSpaceSummary old, SpaceSummary old_space, VirtualSpaceSummary young, SpaceSummary eden, SpaceSummary from, SpaceSummary to) :
115 GCHeapSummary(heap_space, heap_used), _old(old), _old_space(old_space), _young(young), _eden(eden), _from(from), _to(to) { }
116 const VirtualSpaceSummary& old() const { return _old; }
117 const SpaceSummary& old_space() const { return _old_space; }
118 const VirtualSpaceSummary& young() const { return _young; }
119 const SpaceSummary& eden() const { return _eden; }
120 const SpaceSummary& from() const { return _from; }
121 const SpaceSummary& to() const { return _to; }
123 virtual void accept(GCHeapSummaryVisitor* visitor) const {
124 visitor->visit(this);
125 }
126 };
128 class MetaspaceSummary : public StackObj {
129 size_t _capacity_until_GC;
130 MetaspaceSizes _meta_space;
131 MetaspaceSizes _data_space;
132 MetaspaceSizes _class_space;
133 MetaspaceChunkFreeListSummary _metaspace_chunk_free_list_summary;
134 MetaspaceChunkFreeListSummary _class_chunk_free_list_summary;
136 public:
137 MetaspaceSummary() :
138 _capacity_until_GC(0),
139 _meta_space(),
140 _data_space(),
141 _class_space(),
142 _metaspace_chunk_free_list_summary(),
143 _class_chunk_free_list_summary()
144 {}
145 MetaspaceSummary(size_t capacity_until_GC,
146 const MetaspaceSizes& meta_space,
147 const MetaspaceSizes& data_space,
148 const MetaspaceSizes& class_space,
149 const MetaspaceChunkFreeListSummary& metaspace_chunk_free_list_summary,
150 const MetaspaceChunkFreeListSummary& class_chunk_free_list_summary) :
151 _capacity_until_GC(capacity_until_GC),
152 _meta_space(meta_space),
153 _data_space(data_space),
154 _class_space(class_space),
155 _metaspace_chunk_free_list_summary(metaspace_chunk_free_list_summary),
156 _class_chunk_free_list_summary(class_chunk_free_list_summary)
157 {}
159 size_t capacity_until_GC() const { return _capacity_until_GC; }
160 const MetaspaceSizes& meta_space() const { return _meta_space; }
161 const MetaspaceSizes& data_space() const { return _data_space; }
162 const MetaspaceSizes& class_space() const { return _class_space; }
164 const MetaspaceChunkFreeListSummary& metaspace_chunk_free_list_summary() const {
165 return _metaspace_chunk_free_list_summary;
166 }
168 const MetaspaceChunkFreeListSummary& class_chunk_free_list_summary() const {
169 return _class_chunk_free_list_summary;
170 }
172 };
174 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCHEAPSUMMARY_HPP
