Mercurial > hg > graal-compiler
annotate src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp @ 1703:f6f3eef8a521
6581734: CMS Old Gen's collection usage is zero after GC which is incorrect
Summary: Management code enabled for use by a concurrent collector.
Reviewed-by: mchung, ysr
author | kevinw |
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date | Fri, 30 Jul 2010 22:43:50 +0100 |
parents | c18cbe5936b8 |
children | 5f429ee79634 |
rev | line source |
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342 | 1 /* |
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2 * Copyright (c) 2001, 2009, 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 |
c18cbe5936b8
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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 | |
25 // Inline functions for G1CollectedHeap | |
26 | |
27 inline HeapRegion* | |
28 G1CollectedHeap::heap_region_containing(const void* addr) const { | |
29 HeapRegion* hr = _hrs->addr_to_region(addr); | |
30 // hr can be null if addr in perm_gen | |
31 if (hr != NULL && hr->continuesHumongous()) { | |
32 hr = hr->humongous_start_region(); | |
33 } | |
34 return hr; | |
35 } | |
36 | |
37 inline HeapRegion* | |
38 G1CollectedHeap::heap_region_containing_raw(const void* addr) const { | |
526 | 39 assert(_g1_reserved.contains(addr), "invariant"); |
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6833576: G1: assert illegal index, growableArray.hpp:186
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40 size_t index = pointer_delta(addr, _g1_reserved.start(), 1) |
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41 >> HeapRegion::LogOfHRGrainBytes; |
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42 |
526 | 43 HeapRegion* res = _hrs->at(index); |
44 assert(res == _hrs->addr_to_region(addr), "sanity"); | |
342 | 45 return res; |
46 } | |
47 | |
48 inline bool G1CollectedHeap::obj_in_cs(oop obj) { | |
49 HeapRegion* r = _hrs->addr_to_region(obj); | |
50 return r != NULL && r->in_collection_set(); | |
51 } | |
52 | |
53 inline HeapWord* G1CollectedHeap::attempt_allocation(size_t word_size, | |
54 bool permit_collection_pause) { | |
55 HeapWord* res = NULL; | |
56 | |
57 assert( SafepointSynchronize::is_at_safepoint() || | |
58 Heap_lock->owned_by_self(), "pre-condition of the call" ); | |
59 | |
60 if (_cur_alloc_region != NULL) { | |
61 | |
62 // If this allocation causes a region to become non empty, | |
63 // then we need to update our free_regions count. | |
64 | |
65 if (_cur_alloc_region->is_empty()) { | |
66 res = _cur_alloc_region->allocate(word_size); | |
67 if (res != NULL) | |
68 _free_regions--; | |
69 } else { | |
70 res = _cur_alloc_region->allocate(word_size); | |
71 } | |
72 } | |
73 if (res != NULL) { | |
74 if (!SafepointSynchronize::is_at_safepoint()) { | |
75 assert( Heap_lock->owned_by_self(), "invariant" ); | |
76 Heap_lock->unlock(); | |
77 } | |
78 return res; | |
79 } | |
80 // attempt_allocation_slow will also unlock the heap lock when appropriate. | |
81 return attempt_allocation_slow(word_size, permit_collection_pause); | |
82 } | |
83 | |
84 inline RefToScanQueue* G1CollectedHeap::task_queue(int i) { | |
85 return _task_queues->queue(i); | |
86 } | |
87 | |
88 | |
89 inline bool G1CollectedHeap::isMarkedPrev(oop obj) const { | |
90 return _cm->prevMarkBitMap()->isMarked((HeapWord *)obj); | |
91 } | |
92 | |
93 inline bool G1CollectedHeap::isMarkedNext(oop obj) const { | |
94 return _cm->nextMarkBitMap()->isMarked((HeapWord *)obj); | |
95 } |