Mercurial > jdk8-mips64-public > hotspot / file revision
src/share/vm/gc_implementation/shared/gcHeapSummary.hpp@a248d0be1309
src/share/vm/gc_implementation/shared/gcHeapSummary.hpp
Mon, 19 Aug 2019 10:11:31 +0200
- author
- neugens
- date
- Mon, 19 Aug 2019 10:11:31 +0200
- changeset 9861
- a248d0be1309
- parent 6608
- fa21c9537e6e
- child 9931
- fd44df5e3bc3
- permissions
- -rw-r--r--
8229401: Fix JFR code cache test failures
8223689: Add JFR Thread Sampling Support
8223690: Add JFR BiasedLock Event Support
8223691: Add JFR G1 Region Type Change Event Support
8223692: Add JFR G1 Heap Summary Event Support
Summary: Backport JFR from JDK11, additional fixes
Reviewed-by: neugens, apetushkov
Contributed-by: denghui.ddh@alibaba-inc.com
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;
81 class G1HeapSummary;
83 class GCHeapSummaryVisitor {
84 public:
85 virtual void visit(const GCHeapSummary* heap_summary) const = 0;
86 virtual void visit(const PSHeapSummary* heap_summary) const {}
87 virtual void visit(const G1HeapSummary* heap_summary) const {}
88 };
90 class GCHeapSummary : public StackObj {
91 VirtualSpaceSummary _heap;
92 size_t _used;
94 public:
95 GCHeapSummary() :
96 _heap(), _used(0) { }
97 GCHeapSummary(VirtualSpaceSummary& heap_space, size_t used) :
98 _heap(heap_space), _used(used) { }
100 const VirtualSpaceSummary& heap() const { return _heap; }
101 size_t used() const { return _used; }
103 virtual void accept(GCHeapSummaryVisitor* visitor) const {
104 visitor->visit(this);
105 }
106 };
108 class PSHeapSummary : public GCHeapSummary {
109 VirtualSpaceSummary _old;
110 SpaceSummary _old_space;
111 VirtualSpaceSummary _young;
112 SpaceSummary _eden;
113 SpaceSummary _from;
114 SpaceSummary _to;
115 public:
116 PSHeapSummary(VirtualSpaceSummary& heap_space, size_t heap_used, VirtualSpaceSummary old, SpaceSummary old_space, VirtualSpaceSummary young, SpaceSummary eden, SpaceSummary from, SpaceSummary to) :
117 GCHeapSummary(heap_space, heap_used), _old(old), _old_space(old_space), _young(young), _eden(eden), _from(from), _to(to) { }
118 const VirtualSpaceSummary& old() const { return _old; }
119 const SpaceSummary& old_space() const { return _old_space; }
120 const VirtualSpaceSummary& young() const { return _young; }
121 const SpaceSummary& eden() const { return _eden; }
122 const SpaceSummary& from() const { return _from; }
123 const SpaceSummary& to() const { return _to; }
125 virtual void accept(GCHeapSummaryVisitor* visitor) const {
126 visitor->visit(this);
127 }
128 };
130 class G1HeapSummary : public GCHeapSummary {
131 size_t _edenUsed;
132 size_t _edenCapacity;
133 size_t _survivorUsed;
134 uint _numberOfRegions;
135 public:
136 G1HeapSummary(VirtualSpaceSummary& heap_space, size_t heap_used, size_t edenUsed, size_t edenCapacity, size_t survivorUsed, uint numberOfRegions) :
137 GCHeapSummary(heap_space, heap_used), _edenUsed(edenUsed), _edenCapacity(edenCapacity), _survivorUsed(survivorUsed), _numberOfRegions(numberOfRegions) { }
138 const size_t edenUsed() const { return _edenUsed; }
139 const size_t edenCapacity() const { return _edenCapacity; }
140 const size_t survivorUsed() const { return _survivorUsed; }
141 const uint numberOfRegions() const { return _numberOfRegions; }
143 virtual void accept(GCHeapSummaryVisitor* visitor) const {
144 visitor->visit(this);
145 }
146 };
148 class MetaspaceSummary : public StackObj {
149 size_t _capacity_until_GC;
150 MetaspaceSizes _meta_space;
151 MetaspaceSizes _data_space;
152 MetaspaceSizes _class_space;
153 MetaspaceChunkFreeListSummary _metaspace_chunk_free_list_summary;
154 MetaspaceChunkFreeListSummary _class_chunk_free_list_summary;
156 public:
157 MetaspaceSummary() :
158 _capacity_until_GC(0),
159 _meta_space(),
160 _data_space(),
161 _class_space(),
162 _metaspace_chunk_free_list_summary(),
163 _class_chunk_free_list_summary()
164 {}
165 MetaspaceSummary(size_t capacity_until_GC,
166 const MetaspaceSizes& meta_space,
167 const MetaspaceSizes& data_space,
168 const MetaspaceSizes& class_space,
169 const MetaspaceChunkFreeListSummary& metaspace_chunk_free_list_summary,
170 const MetaspaceChunkFreeListSummary& class_chunk_free_list_summary) :
171 _capacity_until_GC(capacity_until_GC),
172 _meta_space(meta_space),
173 _data_space(data_space),
174 _class_space(class_space),
175 _metaspace_chunk_free_list_summary(metaspace_chunk_free_list_summary),
176 _class_chunk_free_list_summary(class_chunk_free_list_summary)
177 {}
179 size_t capacity_until_GC() const { return _capacity_until_GC; }
180 const MetaspaceSizes& meta_space() const { return _meta_space; }
181 const MetaspaceSizes& data_space() const { return _data_space; }
182 const MetaspaceSizes& class_space() const { return _class_space; }
184 const MetaspaceChunkFreeListSummary& metaspace_chunk_free_list_summary() const {
185 return _metaspace_chunk_free_list_summary;
186 }
188 const MetaspaceChunkFreeListSummary& class_chunk_free_list_summary() const {
189 return _class_chunk_free_list_summary;
190 }
192 };
194 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCHEAPSUMMARY_HPP
