1 /*
2 * Copyright (c) 2003, 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 *
29 #include "oops/oop.inline.hpp"
30 #include "runtime/handles.inline.hpp"
31 #include "runtime/javaCalls.hpp"
32 #include "runtime/orderAccess.inline.hpp"
33 #include "services/lowMemoryDetector.hpp"
34 #include "services/management.hpp"
35 #include "services/memoryManager.hpp"
36 #include "services/memoryPool.hpp"
37 #include "utilities/macros.hpp"
38 #include "utilities/globalDefinitions.hpp"
39
40 MemoryPool::MemoryPool(const char* name,
41 PoolType type,
42 size_t init_size,
43 size_t max_size,
44 bool support_usage_threshold,
45 bool support_gc_threshold) {
46 _name = name;
47 _initial_size = init_size;
48 _max_size = max_size;
49 (void)const_cast<instanceOop&>(_memory_pool_obj = NULL);
50 _available_for_allocation = true;
51 _num_managers = 0;
52 _type = type;
53
54 // initialize the max and init size of collection usage
55 _after_gc_usage = MemoryUsage(_initial_size, 0, 0, _max_size);
56
57 _usage_sensor = NULL;
58 _gc_usage_sensor = NULL;
59 // usage threshold supports both high and low threshold
60 _usage_threshold = new ThresholdSupport(support_usage_threshold, support_usage_threshold);
61 // gc usage threshold supports only high threshold
62 _gc_usage_threshold = new ThresholdSupport(support_gc_threshold, support_gc_threshold);
63 }
64
65 void MemoryPool::add_manager(MemoryManager* mgr) {
66 assert(_num_managers < MemoryPool::max_num_managers, "_num_managers exceeds the max");
67 if (_num_managers < MemoryPool::max_num_managers) {
68 _managers[_num_managers] = mgr;
69 _num_managers++;
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1 /*
2 * Copyright (c) 2003, 2014, 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 *
29 #include "oops/oop.inline.hpp"
30 #include "runtime/handles.inline.hpp"
31 #include "runtime/javaCalls.hpp"
32 #include "runtime/orderAccess.inline.hpp"
33 #include "services/lowMemoryDetector.hpp"
34 #include "services/management.hpp"
35 #include "services/memoryManager.hpp"
36 #include "services/memoryPool.hpp"
37 #include "utilities/macros.hpp"
38 #include "utilities/globalDefinitions.hpp"
39
40 MemoryPool::MemoryPool(const char* name,
41 PoolType type,
42 size_t init_size,
43 size_t max_size,
44 bool support_usage_threshold,
45 bool support_gc_threshold) {
46 _name = name;
47 _initial_size = init_size;
48 _max_size = max_size;
49 (void)const_cast<instanceOop&>(_memory_pool_obj = instanceOop(NULL));
50 _available_for_allocation = true;
51 _num_managers = 0;
52 _type = type;
53
54 // initialize the max and init size of collection usage
55 _after_gc_usage = MemoryUsage(_initial_size, 0, 0, _max_size);
56
57 _usage_sensor = NULL;
58 _gc_usage_sensor = NULL;
59 // usage threshold supports both high and low threshold
60 _usage_threshold = new ThresholdSupport(support_usage_threshold, support_usage_threshold);
61 // gc usage threshold supports only high threshold
62 _gc_usage_threshold = new ThresholdSupport(support_gc_threshold, support_gc_threshold);
63 }
64
65 void MemoryPool::add_manager(MemoryManager* mgr) {
66 assert(_num_managers < MemoryPool::max_num_managers, "_num_managers exceeds the max");
67 if (_num_managers < MemoryPool::max_num_managers) {
68 _managers[_num_managers] = mgr;
69 _num_managers++;
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