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 #include "precompiled.hpp"
26 #include "classfile/systemDictionary.hpp"
27 #include "classfile/vmSymbols.hpp"
28 #include "oops/oop.inline.hpp"
29 #include "runtime/handles.inline.hpp"
30 #include "runtime/javaCalls.hpp"
31 #include "services/lowMemoryDetector.hpp"
32 #include "services/management.hpp"
33 #include "services/memoryManager.hpp"
34 #include "services/psMemoryPool.hpp"
35
36 PSGenerationPool::PSGenerationPool(PSOldGen* old_gen,
37 const char* name,
38 PoolType type,
39 bool support_usage_threshold) :
40 CollectedMemoryPool(name, type, old_gen->capacity_in_bytes(),
41 old_gen->reserved().byte_size(), support_usage_threshold), _old_gen(old_gen) {
42 }
43
44 MemoryUsage PSGenerationPool::get_memory_usage() {
45 size_t maxSize = (available_for_allocation() ? max_size() : 0);
46 size_t used = used_in_bytes();
47 size_t committed = _old_gen->capacity_in_bytes();
48
49 return MemoryUsage(initial_size(), used, committed, maxSize);
50 }
51
52 // The max size of EdenMutableSpacePool =
53 // max size of the PSYoungGen - capacity of two survivor spaces
54 //
55 // Max size of PS eden space is changing due to ergonomic.
56 // PSYoungGen, PSOldGen, Eden, Survivor spaces are all resizable.
57 //
58 EdenMutableSpacePool::EdenMutableSpacePool(PSYoungGen* young_gen,
59 MutableSpace* space,
60 const char* name,
61 PoolType type,
62 bool support_usage_threshold) :
63 CollectedMemoryPool(name, type, space->capacity_in_bytes(),
64 (young_gen->max_size() - young_gen->from_space()->capacity_in_bytes() - young_gen->to_space()->capacity_in_bytes()),
65 support_usage_threshold),
66 _young_gen(young_gen),
67 _space(space) {
68 }
69
70 MemoryUsage EdenMutableSpacePool::get_memory_usage() {
71 size_t maxSize = (available_for_allocation() ? max_size() : 0);
72 size_t used = used_in_bytes();
73 size_t committed = _space->capacity_in_bytes();
74
75 return MemoryUsage(initial_size(), used, committed, maxSize);
76 }
77
78 // The max size of SurvivorMutableSpacePool =
79 // current capacity of the from-space
80 //
81 // PS from and to survivor spaces could have different sizes.
82 //
83 SurvivorMutableSpacePool::SurvivorMutableSpacePool(PSYoungGen* young_gen,
84 const char* name,
85 PoolType type,
86 bool support_usage_threshold) :
87 CollectedMemoryPool(name, type, young_gen->from_space()->capacity_in_bytes(),
88 young_gen->from_space()->capacity_in_bytes(),
89 support_usage_threshold), _young_gen(young_gen) {
90 }
91
92 MemoryUsage SurvivorMutableSpacePool::get_memory_usage() {
93 size_t maxSize = (available_for_allocation() ? max_size() : 0);
94 size_t used = used_in_bytes();
95 size_t committed = committed_in_bytes();
96 return MemoryUsage(initial_size(), used, committed, maxSize);
97 }
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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 #include "precompiled.hpp"
26 #include "gc/parallel/psMemoryPool.hpp"
27
28 PSGenerationPool::PSGenerationPool(PSOldGen* old_gen,
29 const char* name,
30 bool support_usage_threshold) :
31 CollectedMemoryPool(name, old_gen->capacity_in_bytes(),
32 old_gen->reserved().byte_size(), support_usage_threshold), _old_gen(old_gen) {
33 }
34
35 MemoryUsage PSGenerationPool::get_memory_usage() {
36 size_t maxSize = (available_for_allocation() ? max_size() : 0);
37 size_t used = used_in_bytes();
38 size_t committed = _old_gen->capacity_in_bytes();
39
40 return MemoryUsage(initial_size(), used, committed, maxSize);
41 }
42
43 // The max size of EdenMutableSpacePool =
44 // max size of the PSYoungGen - capacity of two survivor spaces
45 //
46 // Max size of PS eden space is changing due to ergonomic.
47 // PSYoungGen, PSOldGen, Eden, Survivor spaces are all resizable.
48 //
49 EdenMutableSpacePool::EdenMutableSpacePool(PSYoungGen* young_gen,
50 MutableSpace* space,
51 const char* name,
52 bool support_usage_threshold) :
53 CollectedMemoryPool(name, space->capacity_in_bytes(),
54 (young_gen->max_size() - young_gen->from_space()->capacity_in_bytes() - young_gen->to_space()->capacity_in_bytes()),
55 support_usage_threshold),
56 _young_gen(young_gen),
57 _space(space) {
58 }
59
60 MemoryUsage EdenMutableSpacePool::get_memory_usage() {
61 size_t maxSize = (available_for_allocation() ? max_size() : 0);
62 size_t used = used_in_bytes();
63 size_t committed = _space->capacity_in_bytes();
64
65 return MemoryUsage(initial_size(), used, committed, maxSize);
66 }
67
68 // The max size of SurvivorMutableSpacePool =
69 // current capacity of the from-space
70 //
71 // PS from and to survivor spaces could have different sizes.
72 //
73 SurvivorMutableSpacePool::SurvivorMutableSpacePool(PSYoungGen* young_gen,
74 const char* name,
75 bool support_usage_threshold) :
76 CollectedMemoryPool(name, young_gen->from_space()->capacity_in_bytes(),
77 young_gen->from_space()->capacity_in_bytes(),
78 support_usage_threshold), _young_gen(young_gen) {
79 }
80
81 MemoryUsage SurvivorMutableSpacePool::get_memory_usage() {
82 size_t maxSize = (available_for_allocation() ? max_size() : 0);
83 size_t used = used_in_bytes();
84 size_t committed = committed_in_bytes();
85 return MemoryUsage(initial_size(), used, committed, maxSize);
86 }
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