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annotate src/share/vm/gc_implementation/shared/cSpaceCounters.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 | da91efe96a93 |
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0 | 1 /* |
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2 * Copyright (c) 2002, 2012, 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 | |
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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_CSPACECOUNTERS_HPP |
26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP | |
27 | |
28 #include "gc_implementation/shared/generationCounters.hpp" | |
29 #include "memory/space.inline.hpp" | |
30 #include "runtime/perfData.hpp" | |
31 | |
0 | 32 // A CSpaceCounters is a holder class for performance counters |
33 // that track a space; | |
34 | |
6197 | 35 class CSpaceCounters: public CHeapObj<mtGC> { |
0 | 36 friend class VMStructs; |
37 | |
38 private: | |
39 PerfVariable* _capacity; | |
40 PerfVariable* _used; | |
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41 PerfVariable* _max_capacity; |
0 | 42 |
43 // Constant PerfData types don't need to retain a reference. | |
44 // However, it's a good idea to document them here. | |
45 // PerfConstant* _size; | |
46 | |
47 ContiguousSpace* _space; | |
48 char* _name_space; | |
49 | |
50 public: | |
51 | |
52 CSpaceCounters(const char* name, int ordinal, size_t max_size, | |
53 ContiguousSpace* s, GenerationCounters* gc); | |
54 | |
55 ~CSpaceCounters() { | |
6197 | 56 if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtInternal); |
0 | 57 } |
58 | |
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59 virtual inline void update_capacity() { |
0 | 60 _capacity->set_value(_space->capacity()); |
61 } | |
62 | |
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63 virtual inline void update_used() { |
0 | 64 _used->set_value(_space->used()); |
65 } | |
66 | |
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67 virtual inline void update_all() { |
0 | 68 update_used(); |
69 update_capacity(); | |
70 } | |
71 | |
72 const char* name_space() const { return _name_space; } | |
73 }; | |
74 | |
75 class ContiguousSpaceUsedHelper : public PerfLongSampleHelper { | |
76 private: | |
77 ContiguousSpace* _space; | |
78 | |
79 public: | |
80 ContiguousSpaceUsedHelper(ContiguousSpace* space) : _space(space) { } | |
81 | |
82 inline jlong take_sample() { | |
83 return _space->used(); | |
84 } | |
85 }; | |
1972 | 86 |
87 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP |