Wed, 27 Aug 2014 09:36:55 +0200
Merge
1 /*
2 * Copyright (c) 2007, 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_SERVICES_PSMEMORYPOOL_HPP
26 #define SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
28 #include "utilities/macros.hpp"
29 #if INCLUDE_ALL_GCS
30 #include "gc_implementation/parallelScavenge/psOldGen.hpp"
31 #include "gc_implementation/parallelScavenge/psYoungGen.hpp"
32 #include "gc_implementation/shared/mutableSpace.hpp"
33 #include "memory/defNewGeneration.hpp"
34 #include "memory/heap.hpp"
35 #include "memory/space.hpp"
36 #include "services/memoryPool.hpp"
37 #include "services/memoryUsage.hpp"
38 #endif // INCLUDE_ALL_GCS
40 class PSGenerationPool : public CollectedMemoryPool {
41 private:
42 PSOldGen* _gen;
44 public:
45 PSGenerationPool(PSOldGen* pool, const char* name, PoolType type, bool support_usage_threshold);
47 MemoryUsage get_memory_usage();
48 size_t used_in_bytes() { return _gen->used_in_bytes(); }
49 size_t max_size() const { return _gen->reserved().byte_size(); }
50 };
52 class EdenMutableSpacePool : public CollectedMemoryPool {
53 private:
54 PSYoungGen* _gen;
55 MutableSpace* _space;
57 public:
58 EdenMutableSpacePool(PSYoungGen* gen,
59 MutableSpace* space,
60 const char* name,
61 PoolType type,
62 bool support_usage_threshold);
64 MutableSpace* space() { return _space; }
65 MemoryUsage get_memory_usage();
66 size_t used_in_bytes() { return space()->used_in_bytes(); }
67 size_t max_size() const {
68 // Eden's max_size = max_size of Young Gen - the current committed size of survivor spaces
69 return _gen->max_size() - _gen->from_space()->capacity_in_bytes() - _gen->to_space()->capacity_in_bytes();
70 }
71 };
73 class SurvivorMutableSpacePool : public CollectedMemoryPool {
74 private:
75 PSYoungGen* _gen;
77 public:
78 SurvivorMutableSpacePool(PSYoungGen* gen,
79 const char* name,
80 PoolType type,
81 bool support_usage_threshold);
83 MemoryUsage get_memory_usage();
85 size_t used_in_bytes() {
86 return _gen->from_space()->used_in_bytes();
87 }
88 size_t committed_in_bytes() {
89 return _gen->from_space()->capacity_in_bytes();
90 }
91 size_t max_size() const {
92 // Return current committed size of the from-space
93 return _gen->from_space()->capacity_in_bytes();
94 }
95 };
97 #endif // SHARE_VM_SERVICES_PSMEMORYPOOL_HPP