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annotate src/share/vm/gc_implementation/g1/vm_operations_g1.hpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| author | stefank |
|---|---|
| date | Tue, 23 Nov 2010 13:22:55 -0800 |
| parents | 4e5661ba9d98 |
| children | 631f79e71e90 |
| rev | line source |
|---|---|
| 342 | 1 /* |
| 1972 | 2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. |
| 342 | 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. |
| 342 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_VM_OPERATIONS_G1_HPP |
| 26 #define SHARE_VM_GC_IMPLEMENTATION_G1_VM_OPERATIONS_G1_HPP | |
| 27 | |
| 28 #include "gc_implementation/shared/vmGCOperations.hpp" | |
| 29 | |
| 342 | 30 // VM_operations for the G1 collector. |
| 31 // VM_GC_Operation: | |
| 32 // - VM_CGC_Operation | |
| 33 // - VM_G1CollectFull | |
| 34 // - VM_G1CollectForAllocation | |
| 35 // - VM_G1IncCollectionPause | |
| 36 // - VM_G1PopRegionCollectionPause | |
| 37 | |
| 38 class VM_G1CollectFull: public VM_GC_Operation { | |
| 39 public: | |
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40 VM_G1CollectFull(unsigned int gc_count_before, |
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41 unsigned int full_gc_count_before, |
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42 GCCause::Cause cause) |
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43 : VM_GC_Operation(gc_count_before, full_gc_count_before) { |
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44 _gc_cause = cause; |
| 342 | 45 } |
| 46 ~VM_G1CollectFull() {} | |
| 47 virtual VMOp_Type type() const { return VMOp_G1CollectFull; } | |
| 48 virtual void doit(); | |
| 49 virtual const char* name() const { | |
| 50 return "full garbage-first collection"; | |
| 51 } | |
| 52 }; | |
| 53 | |
| 54 class VM_G1CollectForAllocation: public VM_GC_Operation { | |
| 55 private: | |
| 56 HeapWord* _res; | |
| 57 size_t _size; // size of object to be allocated | |
| 58 public: | |
| 59 VM_G1CollectForAllocation(size_t size, int gc_count_before) | |
| 60 : VM_GC_Operation(gc_count_before) { | |
| 61 _size = size; | |
| 62 _res = NULL; | |
| 63 } | |
| 64 ~VM_G1CollectForAllocation() {} | |
| 65 virtual VMOp_Type type() const { return VMOp_G1CollectForAllocation; } | |
| 66 virtual void doit(); | |
| 67 virtual const char* name() const { | |
| 68 return "garbage-first collection to satisfy allocation"; | |
| 69 } | |
| 70 HeapWord* result() { return _res; } | |
| 71 }; | |
| 72 | |
| 73 class VM_G1IncCollectionPause: public VM_GC_Operation { | |
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74 private: |
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75 bool _should_initiate_conc_mark; |
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76 double _target_pause_time_ms; |
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77 unsigned int _full_collections_completed_before; |
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78 public: |
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79 VM_G1IncCollectionPause(unsigned int gc_count_before, |
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80 bool should_initiate_conc_mark, |
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81 double target_pause_time_ms, |
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82 GCCause::Cause cause) |
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83 : VM_GC_Operation(gc_count_before), |
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84 _full_collections_completed_before(0), |
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85 _should_initiate_conc_mark(should_initiate_conc_mark), |
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86 _target_pause_time_ms(target_pause_time_ms) { |
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87 guarantee(target_pause_time_ms > 0.0, |
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88 err_msg("target_pause_time_ms = %1.6lf should be positive", |
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89 target_pause_time_ms)); |
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90 |
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91 _gc_cause = cause; |
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92 } |
| 342 | 93 virtual VMOp_Type type() const { return VMOp_G1IncCollectionPause; } |
| 94 virtual void doit(); | |
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95 virtual void doit_epilogue(); |
| 342 | 96 virtual const char* name() const { |
| 97 return "garbage-first incremental collection pause"; | |
| 98 } | |
| 99 }; | |
| 100 | |
| 101 // Concurrent GC stop-the-world operations such as initial and final mark; | |
| 102 // consider sharing these with CMS's counterparts. | |
| 103 class VM_CGC_Operation: public VM_Operation { | |
| 104 VoidClosure* _cl; | |
| 105 const char* _printGCMessage; | |
| 106 public: | |
| 107 VM_CGC_Operation(VoidClosure* cl, const char *printGCMsg) : | |
| 108 _cl(cl), | |
| 109 _printGCMessage(printGCMsg) | |
| 110 {} | |
| 111 | |
| 112 ~VM_CGC_Operation() {} | |
| 113 | |
| 114 virtual VMOp_Type type() const { return VMOp_CGC_Operation; } | |
| 115 virtual void doit(); | |
| 116 virtual bool doit_prologue(); | |
| 117 virtual void doit_epilogue(); | |
| 118 virtual const char* name() const { | |
| 119 return "concurrent gc"; | |
| 120 } | |
| 121 }; | |
| 1972 | 122 |
| 123 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_VM_OPERATIONS_G1_HPP |