Sun, 03 Feb 2013 22:28:08 +0400
8002048: Protocol to discovery of manageable Java processes on a network
Summary: Introduce a protocol to discover manageble Java instances across a network subnet, JDP
Reviewed-by: sla, dfuchs
1 /*
2 * Copyright (c) 2007, 2012, 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.
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23 */
25 #ifndef SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
26 #define SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
28 #ifndef SERIALGC
29 #include "gc_implementation/parallelScavenge/psOldGen.hpp"
30 #include "gc_implementation/parallelScavenge/psYoungGen.hpp"
31 #include "gc_implementation/shared/mutableSpace.hpp"
32 #include "memory/defNewGeneration.hpp"
33 #include "memory/heap.hpp"
34 #include "memory/space.hpp"
35 #include "services/memoryPool.hpp"
36 #include "services/memoryUsage.hpp"
37 #endif
39 class PSGenerationPool : public CollectedMemoryPool {
40 private:
41 PSOldGen* _gen;
43 public:
44 PSGenerationPool(PSOldGen* pool, const char* name, PoolType type, bool support_usage_threshold);
46 MemoryUsage get_memory_usage();
47 size_t used_in_bytes() { return _gen->used_in_bytes(); }
48 size_t max_size() const { return _gen->reserved().byte_size(); }
49 };
51 class EdenMutableSpacePool : public CollectedMemoryPool {
52 private:
53 PSYoungGen* _gen;
54 MutableSpace* _space;
56 public:
57 EdenMutableSpacePool(PSYoungGen* gen,
58 MutableSpace* space,
59 const char* name,
60 PoolType type,
61 bool support_usage_threshold);
63 MutableSpace* space() { return _space; }
64 MemoryUsage get_memory_usage();
65 size_t used_in_bytes() { return space()->used_in_bytes(); }
66 size_t max_size() const {
67 // Eden's max_size = max_size of Young Gen - the current committed size of survivor spaces
68 return _gen->max_size() - _gen->from_space()->capacity_in_bytes() - _gen->to_space()->capacity_in_bytes();
69 }
70 };
72 class SurvivorMutableSpacePool : public CollectedMemoryPool {
73 private:
74 PSYoungGen* _gen;
76 public:
77 SurvivorMutableSpacePool(PSYoungGen* gen,
78 const char* name,
79 PoolType type,
80 bool support_usage_threshold);
82 MemoryUsage get_memory_usage();
84 size_t used_in_bytes() {
85 return _gen->from_space()->used_in_bytes();
86 }
87 size_t committed_in_bytes() {
88 return _gen->from_space()->capacity_in_bytes();
89 }
90 size_t max_size() const {
91 // Return current committed size of the from-space
92 return _gen->from_space()->capacity_in_bytes();
93 }
94 };
96 #endif // SHARE_VM_SERVICES_PSMEMORYPOOL_HPP