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annotate src/share/vm/gc_implementation/g1/concurrentG1RefineThread.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 | c18cbe5936b8 |
| children | 8847586c9037 |
| 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_CONCURRENTG1REFINETHREAD_HPP |
| 26 #define SHARE_VM_GC_IMPLEMENTATION_G1_CONCURRENTG1REFINETHREAD_HPP | |
| 27 | |
| 28 #include "gc_implementation/shared/concurrentGCThread.hpp" | |
| 29 | |
| 342 | 30 // Forward Decl. |
| 31 class ConcurrentG1Refine; | |
| 32 | |
| 33 // The G1 Concurrent Refinement Thread (could be several in the future). | |
| 34 | |
| 35 class ConcurrentG1RefineThread: public ConcurrentGCThread { | |
| 36 friend class VMStructs; | |
| 37 friend class G1CollectedHeap; | |
| 38 | |
| 39 double _vtime_start; // Initial virtual time. | |
| 40 double _vtime_accum; // Initial virtual time. | |
| 794 | 41 int _worker_id; |
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42 int _worker_id_offset; |
| 342 | 43 |
| 794 | 44 // The refinement threads collection is linked list. A predecessor can activate a successor |
| 45 // when the number of the rset update buffer crosses a certain threshold. A successor | |
| 46 // would self-deactivate when the number of the buffers falls below the threshold. | |
| 47 bool _active; | |
| 1111 | 48 ConcurrentG1RefineThread* _next; |
| 49 Monitor* _monitor; | |
| 50 ConcurrentG1Refine* _cg1r; | |
| 342 | 51 |
| 1111 | 52 int _thread_threshold_step; |
| 53 // This thread activation threshold | |
| 54 int _threshold; | |
| 55 // This thread deactivation threshold | |
| 56 int _deactivation_threshold; | |
| 342 | 57 |
| 1111 | 58 void sample_young_list_rs_lengths(); |
| 59 void run_young_rs_sampling(); | |
| 60 void wait_for_completed_buffers(); | |
| 61 | |
| 62 void set_active(bool x) { _active = x; } | |
| 63 bool is_active(); | |
| 64 void activate(); | |
| 65 void deactivate(); | |
| 342 | 66 |
| 67 // For use by G1CollectedHeap, which is a friend. | |
| 68 static SuspendibleThreadSet* sts() { return &_sts; } | |
| 69 | |
| 1111 | 70 public: |
| 71 virtual void run(); | |
| 342 | 72 // Constructor |
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73 ConcurrentG1RefineThread(ConcurrentG1Refine* cg1r, ConcurrentG1RefineThread* next, |
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74 int worker_id_offset, int worker_id); |
| 342 | 75 |
| 1111 | 76 void initialize(); |
| 77 | |
| 342 | 78 // Printing |
| 1019 | 79 void print() const; |
| 80 void print_on(outputStream* st) const; | |
| 342 | 81 |
| 82 // Total virtual time so far. | |
| 83 double vtime_accum() { return _vtime_accum; } | |
| 84 | |
| 1111 | 85 ConcurrentG1Refine* cg1r() { return _cg1r; } |
| 342 | 86 |
| 87 // Yield for GC | |
| 1111 | 88 void yield(); |
| 342 | 89 // shutdown |
| 794 | 90 void stop(); |
| 342 | 91 }; |
| 1972 | 92 |
| 93 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_CONCURRENTG1REFINETHREAD_HPP |