Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/shared/spaceCounters.hpp @ 17524:89152779163c
Merge with jdk8-b132
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Wed, 15 Oct 2014 11:59:32 +0200 |
| parents | 4ca6dc0799b6 |
| children |
| 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 |