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annotate src/share/vm/gc_implementation/shared/spaceCounters.hpp @ 19083:09292c24d555
LSStackSlotAllocator: hide inner class.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Sat, 31 Jan 2015 11:07:15 +0100 |
parents | 89152779163c |
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rev | line source |
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0 | 1 /* |
17524 | 2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_SPACECOUNTERS_HPP |
26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_SPACECOUNTERS_HPP | |
27 | |
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28 #include "utilities/macros.hpp" |
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29 #if INCLUDE_ALL_GCS |
1972 | 30 #include "gc_implementation/shared/generationCounters.hpp" |
31 #include "gc_implementation/shared/immutableSpace.hpp" | |
32 #include "gc_implementation/shared/mutableSpace.hpp" | |
33 #include "runtime/perfData.hpp" | |
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34 #endif // INCLUDE_ALL_GCS |
1972 | 35 |
0 | 36 // A SpaceCounter is a holder class for performance counters |
37 // that track a space; | |
38 | |
6197 | 39 class SpaceCounters: public CHeapObj<mtGC> { |
0 | 40 friend class VMStructs; |
41 | |
42 private: | |
43 PerfVariable* _capacity; | |
44 PerfVariable* _used; | |
45 | |
46 // Constant PerfData types don't need to retain a reference. | |
47 // However, it's a good idea to document them here. | |
48 // PerfConstant* _size; | |
49 | |
50 MutableSpace* _object_space; | |
51 char* _name_space; | |
52 | |
53 public: | |
54 | |
55 SpaceCounters(const char* name, int ordinal, size_t max_size, | |
56 MutableSpace* m, GenerationCounters* gc); | |
57 | |
58 ~SpaceCounters() { | |
6197 | 59 if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtGC); |
0 | 60 } |
61 | |
62 inline void update_capacity() { | |
63 _capacity->set_value(_object_space->capacity_in_bytes()); | |
64 } | |
65 | |
66 inline void update_used() { | |
67 _used->set_value(_object_space->used_in_bytes()); | |
68 } | |
69 | |
70 inline void update_all() { | |
71 update_used(); | |
72 update_capacity(); | |
73 } | |
74 | |
75 const char* name_space() const { return _name_space; } | |
76 }; | |
77 | |
78 class MutableSpaceUsedHelper: public PerfLongSampleHelper { | |
79 private: | |
80 MutableSpace* _m; | |
81 | |
82 public: | |
83 MutableSpaceUsedHelper(MutableSpace* m) : _m(m) { } | |
84 | |
85 inline jlong take_sample() { | |
86 return _m->used_in_bytes(); | |
87 } | |
88 }; | |
1972 | 89 |
90 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_SPACECOUNTERS_HPP |