Mercurial > hg > graal-compiler
annotate src/share/vm/gc_implementation/shared/generationCounters.hpp @ 8014:f90b9bceb8e5
8005032: G1: Cleanup serial reference processing closures in concurrent marking
Summary: Reuse the parallel reference processing oop closures during serial reference processing.
Reviewed-by: brutisso
author | johnc |
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date | Tue, 05 Feb 2013 09:13:05 -0800 |
parents | b9a9ed0f8eeb |
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rev | line source |
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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 | |
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_GENERATIONCOUNTERS_HPP |
26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GENERATIONCOUNTERS_HPP | |
27 | |
28 #include "runtime/perfData.hpp" | |
29 #include "runtime/virtualspace.hpp" | |
30 | |
0 | 31 // A GenerationCounter is a holder class for performance counters |
32 // that track a generation | |
33 | |
6197 | 34 class GenerationCounters: public CHeapObj<mtGC> { |
0 | 35 friend class VMStructs; |
36 | |
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37 private: |
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38 void initialize(const char* name, int ordinal, int spaces, |
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39 size_t min_capacity, size_t max_capacity, |
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40 size_t curr_capacity); |
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41 |
0 | 42 protected: |
43 PerfVariable* _current_size; | |
44 VirtualSpace* _virtual_space; | |
45 | |
46 // Constant PerfData types don't need to retain a reference. | |
47 // However, it's a good idea to document them here. | |
48 // PerfStringConstant* _name; | |
49 // PerfConstant* _min_size; | |
50 // PerfConstant* _max_size; | |
51 // PerfConstant* _spaces; | |
52 | |
53 char* _name_space; | |
54 | |
55 // This constructor is only meant for use with the PSGenerationCounters | |
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56 // constructor. The need for such an constructor should be eliminated |
0 | 57 // when VirtualSpace and PSVirtualSpace are unified. |
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58 GenerationCounters() |
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59 : _name_space(NULL), _current_size(NULL), _virtual_space(NULL) {} |
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60 |
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61 // This constructor is used for subclasses that do not have a space |
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62 // associated with them (e.g, in G1). |
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63 GenerationCounters(const char* name, int ordinal, int spaces, |
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64 size_t min_capacity, size_t max_capacity, |
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65 size_t curr_capacity); |
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66 |
0 | 67 public: |
68 GenerationCounters(const char* name, int ordinal, int spaces, | |
69 VirtualSpace* v); | |
70 | |
71 ~GenerationCounters() { | |
6197 | 72 if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtGC); |
0 | 73 } |
74 | |
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75 virtual void update_all(); |
0 | 76 |
77 const char* name_space() const { return _name_space; } | |
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78 |
0 | 79 }; |
1972 | 80 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GENERATIONCOUNTERS_HPP |