1 /*
2 * Copyright (c) 2007, 2015, 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 */
24
25 #ifndef SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
26 #define SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
27
28 #include "utilities/macros.hpp"
29 #if INCLUDE_ALL_GCS
30 #include "gc/parallel/mutableSpace.hpp"
31 #include "gc/parallel/psOldGen.hpp"
32 #include "gc/parallel/psYoungGen.hpp"
33 #include "gc/serial/defNewGeneration.hpp"
34 #include "gc/shared/space.hpp"
35 #include "memory/heap.hpp"
36 #include "services/memoryPool.hpp"
37 #include "services/memoryUsage.hpp"
38 #endif // INCLUDE_ALL_GCS
39
40 class PSGenerationPool : public CollectedMemoryPool {
41 private:
42 PSOldGen* _old_gen;
43
44 public:
45 PSGenerationPool(PSOldGen* pool, const char* name, PoolType type, bool support_usage_threshold);
46
47 MemoryUsage get_memory_usage();
48 size_t used_in_bytes() { return _old_gen->used_in_bytes(); }
49 size_t max_size() const { return _old_gen->reserved().byte_size(); }
50 };
51
52 class EdenMutableSpacePool : public CollectedMemoryPool {
53 private:
54 PSYoungGen* _young_gen;
55 MutableSpace* _space;
56
57 public:
58 EdenMutableSpacePool(PSYoungGen* young_gen,
59 MutableSpace* space,
60 const char* name,
61 PoolType type,
62 bool support_usage_threshold);
63
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 _young_gen->max_size() - _young_gen->from_space()->capacity_in_bytes() - _young_gen->to_space()->capacity_in_bytes();
70 }
71 };
72
73 class SurvivorMutableSpacePool : public CollectedMemoryPool {
74 private:
75 PSYoungGen* _young_gen;
76
77 public:
78 SurvivorMutableSpacePool(PSYoungGen* young_gen,
79 const char* name,
80 PoolType type,
81 bool support_usage_threshold);
82
83 MemoryUsage get_memory_usage();
84
85 size_t used_in_bytes() {
86 return _young_gen->from_space()->used_in_bytes();
87 }
88 size_t committed_in_bytes() {
89 return _young_gen->from_space()->capacity_in_bytes();
90 }
91 size_t max_size() const {
92 // Return current committed size of the from-space
93 return _young_gen->from_space()->capacity_in_bytes();
94 }
95 };
96
97 #endif // SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
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1 /*
2 * Copyright (c) 2007, 2017, 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 */
24
25 #ifndef SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
26 #define SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
27
28 #include "gc/parallel/mutableSpace.hpp"
29 #include "gc/parallel/psOldGen.hpp"
30 #include "gc/parallel/psYoungGen.hpp"
31 #include "services/memoryPool.hpp"
32 #include "services/memoryUsage.hpp"
33
34 class PSGenerationPool : public CollectedMemoryPool {
35 private:
36 PSOldGen* _old_gen;
37
38 public:
39 PSGenerationPool(PSOldGen* pool, const char* name, bool support_usage_threshold);
40
41 MemoryUsage get_memory_usage();
42 size_t used_in_bytes() { return _old_gen->used_in_bytes(); }
43 size_t max_size() const { return _old_gen->reserved().byte_size(); }
44 };
45
46 class EdenMutableSpacePool : public CollectedMemoryPool {
47 private:
48 PSYoungGen* _young_gen;
49 MutableSpace* _space;
50
51 public:
52 EdenMutableSpacePool(PSYoungGen* young_gen,
53 MutableSpace* space,
54 const char* name,
55 bool support_usage_threshold);
56
57 MutableSpace* space() { return _space; }
58 MemoryUsage get_memory_usage();
59 size_t used_in_bytes() { return space()->used_in_bytes(); }
60 size_t max_size() const {
61 // Eden's max_size = max_size of Young Gen - the current committed size of survivor spaces
62 return _young_gen->max_size() - _young_gen->from_space()->capacity_in_bytes() - _young_gen->to_space()->capacity_in_bytes();
63 }
64 };
65
66 class SurvivorMutableSpacePool : public CollectedMemoryPool {
67 private:
68 PSYoungGen* _young_gen;
69
70 public:
71 SurvivorMutableSpacePool(PSYoungGen* young_gen,
72 const char* name,
73 bool support_usage_threshold);
74
75 MemoryUsage get_memory_usage();
76
77 size_t used_in_bytes() {
78 return _young_gen->from_space()->used_in_bytes();
79 }
80 size_t committed_in_bytes() {
81 return _young_gen->from_space()->capacity_in_bytes();
82 }
83 size_t max_size() const {
84 // Return current committed size of the from-space
85 return _young_gen->from_space()->capacity_in_bytes();
86 }
87 };
88
89 #endif // SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
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