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comparison: src/share/vm/memory/metaspace.hpp

src/share/vm/memory/metaspace.hpp

changeset 5251
eaf3742822ec
parent 5208
a1ebd310d5c1
child 5237
f2110083203d
equal deleted inserted replaced
5250:0861193d358a 5251:eaf3742822ec
1 /* 1 /*
2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2011, 2013, 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.
125 static VirtualSpaceList* _class_space_list; 125 static VirtualSpaceList* _class_space_list;
126 126
127 static VirtualSpaceList* space_list() { return _space_list; } 127 static VirtualSpaceList* space_list() { return _space_list; }
128 static VirtualSpaceList* class_space_list() { return _class_space_list; } 128 static VirtualSpaceList* class_space_list() { return _class_space_list; }
129 129
130 // This is used by DumpSharedSpaces only, where only _vsm is used. So we will
131 // maintain a single list for now.
132 void record_allocation(void* ptr, MetaspaceObj::Type type, size_t word_size);
133
134 class AllocRecord : public CHeapObj<mtClass> {
135 public:
136 AllocRecord(address ptr, MetaspaceObj::Type type, int byte_size)
137 : _next(NULL), _ptr(ptr), _type(type), _byte_size(byte_size) {}
138 AllocRecord *_next;
139 address _ptr;
140 MetaspaceObj::Type _type;
141 int _byte_size;
142 };
143
144 AllocRecord * _alloc_record_head;
145 AllocRecord * _alloc_record_tail;
146
130 public: 147 public:
131 148
132 Metaspace(Mutex* lock, MetaspaceType type); 149 Metaspace(Mutex* lock, MetaspaceType type);
133 ~Metaspace(); 150 ~Metaspace();
134 151
146 size_t waste_words(MetadataType mdtype) const; 163 size_t waste_words(MetadataType mdtype) const;
147 164
148 size_t used_bytes_slow(MetadataType mdtype) const; 165 size_t used_bytes_slow(MetadataType mdtype) const;
149 size_t capacity_bytes_slow(MetadataType mdtype) const; 166 size_t capacity_bytes_slow(MetadataType mdtype) const;
150 167
151 static Metablock* allocate(ClassLoaderData* loader_data, size_t size, 168 static Metablock* allocate(ClassLoaderData* loader_data, size_t word_size,
152 bool read_only, MetadataType mdtype, TRAPS); 169 bool read_only, MetaspaceObj::Type type, TRAPS);
153 void deallocate(MetaWord* ptr, size_t byte_size, bool is_class); 170 void deallocate(MetaWord* ptr, size_t byte_size, bool is_class);
154 171
155 MetaWord* expand_and_allocate(size_t size, 172 MetaWord* expand_and_allocate(size_t size,
156 MetadataType mdtype); 173 MetadataType mdtype);
157 174
164 static void purge(); 181 static void purge();
165 182
166 void print_on(outputStream* st) const; 183 void print_on(outputStream* st) const;
167 // Debugging support 184 // Debugging support
168 void verify(); 185 void verify();
186
187 class AllocRecordClosure : public StackObj {
188 public:
189 virtual void doit(address ptr, MetaspaceObj::Type type, int byte_size) = 0;
190 };
191
192 void iterate(AllocRecordClosure *closure);
169 }; 193 };
170 194
171 class MetaspaceAux : AllStatic { 195 class MetaspaceAux : AllStatic {
172 196
173 // Statistics for class space and data space in metaspace. 197 // Statistics for class space and data space in metaspace.

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