Mercurial > hg > graal-compiler
annotate src/share/vm/gc_implementation/g1/g1SATBCardTableModRefBS.cpp @ 6007:5c86f8211d1e
7160728: Introduce an extra logging level for G1 logging
Summary: Added log levels "fine", "finer" and "finest". Let PrintGC map to "fine" and PrintGCDetails map to "finer". Separated out the per worker information in the G1 logging to the "finest" level.
Reviewed-by: stefank, jwilhelm, tonyp, johnc
| author | brutisso |
|---|---|
| date | Fri, 13 Apr 2012 01:59:38 +0200 |
| parents | f08d439fab8c |
| children | f34d701e952e |
| rev | line source |
|---|---|
| 342 | 1 /* |
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2 * Copyright (c) 2001, 2011, 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 #include "precompiled.hpp" |
| 26 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" | |
| 27 #include "gc_implementation/g1/heapRegion.hpp" | |
| 28 #include "gc_implementation/g1/satbQueue.hpp" | |
| 29 #include "runtime/mutexLocker.hpp" | |
| 30 #include "runtime/thread.hpp" | |
| 31 #ifdef TARGET_OS_FAMILY_linux | |
| 32 # include "thread_linux.inline.hpp" | |
| 33 #endif | |
| 34 #ifdef TARGET_OS_FAMILY_solaris | |
| 35 # include "thread_solaris.inline.hpp" | |
| 36 #endif | |
| 37 #ifdef TARGET_OS_FAMILY_windows | |
| 38 # include "thread_windows.inline.hpp" | |
| 39 #endif | |
| 3960 | 40 #ifdef TARGET_OS_FAMILY_bsd |
| 41 # include "thread_bsd.inline.hpp" | |
| 42 #endif | |
| 342 | 43 |
| 44 G1SATBCardTableModRefBS::G1SATBCardTableModRefBS(MemRegion whole_heap, | |
| 45 int max_covered_regions) : | |
| 46 CardTableModRefBSForCTRS(whole_heap, max_covered_regions) | |
| 47 { | |
| 48 _kind = G1SATBCT; | |
| 49 } | |
| 50 | |
| 51 | |
| 52 void G1SATBCardTableModRefBS::enqueue(oop pre_val) { | |
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53 // Nulls should have been already filtered. |
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54 assert(pre_val->is_oop(true), "Error"); |
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55 |
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56 if (!JavaThread::satb_mark_queue_set().is_active()) return; |
| 342 | 57 Thread* thr = Thread::current(); |
| 58 if (thr->is_Java_thread()) { | |
| 59 JavaThread* jt = (JavaThread*)thr; | |
| 60 jt->satb_mark_queue().enqueue(pre_val); | |
| 61 } else { | |
| 62 MutexLocker x(Shared_SATB_Q_lock); | |
| 63 JavaThread::satb_mark_queue_set().shared_satb_queue()->enqueue(pre_val); | |
| 64 } | |
| 65 } | |
| 66 | |
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67 template <class T> void |
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68 G1SATBCardTableModRefBS::write_ref_array_pre_work(T* dst, int count) { |
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69 if (!JavaThread::satb_mark_queue_set().is_active()) return; |
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70 T* elem_ptr = dst; |
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71 for (int i = 0; i < count; i++, elem_ptr++) { |
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72 T heap_oop = oopDesc::load_heap_oop(elem_ptr); |
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73 if (!oopDesc::is_null(heap_oop)) { |
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74 enqueue(oopDesc::decode_heap_oop_not_null(heap_oop)); |
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75 } |
| 342 | 76 } |
| 77 } | |
| 78 | |
| 79 G1SATBCardTableLoggingModRefBS:: | |
| 80 G1SATBCardTableLoggingModRefBS(MemRegion whole_heap, | |
| 81 int max_covered_regions) : | |
| 82 G1SATBCardTableModRefBS(whole_heap, max_covered_regions), | |
| 83 _dcqs(JavaThread::dirty_card_queue_set()) | |
| 84 { | |
| 85 _kind = G1SATBCTLogging; | |
| 86 } | |
| 87 | |
| 88 void | |
| 89 G1SATBCardTableLoggingModRefBS::write_ref_field_work(void* field, | |
| 90 oop new_val) { | |
| 91 jbyte* byte = byte_for(field); | |
| 92 if (*byte != dirty_card) { | |
| 93 *byte = dirty_card; | |
| 94 Thread* thr = Thread::current(); | |
| 95 if (thr->is_Java_thread()) { | |
| 96 JavaThread* jt = (JavaThread*)thr; | |
| 97 jt->dirty_card_queue().enqueue(byte); | |
| 98 } else { | |
| 99 MutexLockerEx x(Shared_DirtyCardQ_lock, | |
| 100 Mutex::_no_safepoint_check_flag); | |
| 101 _dcqs.shared_dirty_card_queue()->enqueue(byte); | |
| 102 } | |
| 103 } | |
| 104 } | |
| 105 | |
| 106 void | |
| 107 G1SATBCardTableLoggingModRefBS::write_ref_field_static(void* field, | |
| 108 oop new_val) { | |
| 109 uintptr_t field_uint = (uintptr_t)field; | |
| 110 uintptr_t new_val_uint = (uintptr_t)new_val; | |
| 111 uintptr_t comb = field_uint ^ new_val_uint; | |
| 112 comb = comb >> HeapRegion::LogOfHRGrainBytes; | |
| 113 if (comb == 0) return; | |
| 114 if (new_val == NULL) return; | |
| 115 // Otherwise, log it. | |
| 116 G1SATBCardTableLoggingModRefBS* g1_bs = | |
| 117 (G1SATBCardTableLoggingModRefBS*)Universe::heap()->barrier_set(); | |
| 118 g1_bs->write_ref_field_work(field, new_val); | |
| 119 } | |
| 120 | |
| 121 void | |
| 122 G1SATBCardTableLoggingModRefBS::invalidate(MemRegion mr, bool whole_heap) { | |
| 123 jbyte* byte = byte_for(mr.start()); | |
| 124 jbyte* last_byte = byte_for(mr.last()); | |
| 125 Thread* thr = Thread::current(); | |
| 126 if (whole_heap) { | |
| 127 while (byte <= last_byte) { | |
| 128 *byte = dirty_card; | |
| 129 byte++; | |
| 130 } | |
| 131 } else { | |
| 132 // Enqueue if necessary. | |
| 133 if (thr->is_Java_thread()) { | |
| 134 JavaThread* jt = (JavaThread*)thr; | |
| 135 while (byte <= last_byte) { | |
| 136 if (*byte != dirty_card) { | |
| 137 *byte = dirty_card; | |
| 138 jt->dirty_card_queue().enqueue(byte); | |
| 139 } | |
| 140 byte++; | |
| 141 } | |
| 142 } else { | |
| 143 MutexLockerEx x(Shared_DirtyCardQ_lock, | |
| 144 Mutex::_no_safepoint_check_flag); | |
| 145 while (byte <= last_byte) { | |
| 146 if (*byte != dirty_card) { | |
| 147 *byte = dirty_card; | |
| 148 _dcqs.shared_dirty_card_queue()->enqueue(byte); | |
| 149 } | |
| 150 byte++; | |
| 151 } | |
| 152 } | |
| 153 } | |
| 154 } |