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annotate src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.cpp @ 3687:7958ebb561b0
Merge
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Fri, 18 Nov 2011 17:20:38 +0100 |
parents | c798c277ddd1 |
children | c9ca3f51cf41 |
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0 | 1 /* |
2225 | 2 * Copyright (c) 2007, 2011, 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 #include "precompiled.hpp" |
26 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp" | |
27 #include "gc_implementation/parallelScavenge/psMarkSweep.hpp" | |
28 #include "gc_implementation/parallelScavenge/psScavenge.hpp" | |
29 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" | |
30 #include "gc_implementation/parallelScavenge/vmPSOperations.hpp" | |
31 #include "memory/gcLocker.inline.hpp" | |
32 #include "utilities/dtrace.hpp" | |
0 | 33 |
34 // The following methods are used by the parallel scavenge collector | |
35 VM_ParallelGCFailedAllocation::VM_ParallelGCFailedAllocation(size_t size, | |
36 bool is_tlab, unsigned int gc_count) : | |
2225 | 37 VM_GC_Operation(gc_count, GCCause::_allocation_failure), |
0 | 38 _size(size), |
39 _is_tlab(is_tlab), | |
40 _result(NULL) | |
41 { | |
42 } | |
43 | |
44 void VM_ParallelGCFailedAllocation::doit() { | |
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45 SvcGCMarker sgcm(SvcGCMarker::MINOR); |
0 | 46 |
47 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); | |
48 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "must be a ParallelScavengeHeap"); | |
49 | |
50 GCCauseSetter gccs(heap, _gc_cause); | |
51 _result = heap->failed_mem_allocate(_size, _is_tlab); | |
52 | |
53 if (_result == NULL && GC_locker::is_active_and_needs_gc()) { | |
54 set_gc_locked(); | |
55 } | |
56 } | |
57 | |
58 VM_ParallelGCFailedPermanentAllocation::VM_ParallelGCFailedPermanentAllocation(size_t size, | |
59 unsigned int gc_count, unsigned int full_gc_count) : | |
2225 | 60 VM_GC_Operation(gc_count, GCCause::_allocation_failure, full_gc_count, true /* full */), |
0 | 61 _size(size), |
62 _result(NULL) | |
63 { | |
64 } | |
65 | |
66 void VM_ParallelGCFailedPermanentAllocation::doit() { | |
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67 SvcGCMarker sgcm(SvcGCMarker::FULL); |
0 | 68 |
69 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); | |
70 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "must be a ParallelScavengeHeap"); | |
71 | |
72 GCCauseSetter gccs(heap, _gc_cause); | |
73 _result = heap->failed_permanent_mem_allocate(_size); | |
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74 if (_result == NULL && GC_locker::is_active_and_needs_gc()) { |
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75 set_gc_locked(); |
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76 } |
0 | 77 } |
78 | |
79 // Only used for System.gc() calls | |
80 VM_ParallelGCSystemGC::VM_ParallelGCSystemGC(unsigned int gc_count, | |
81 unsigned int full_gc_count, | |
82 GCCause::Cause gc_cause) : | |
2225 | 83 VM_GC_Operation(gc_count, gc_cause, full_gc_count, true /* full */) |
0 | 84 { |
85 } | |
86 | |
87 void VM_ParallelGCSystemGC::doit() { | |
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88 SvcGCMarker sgcm(SvcGCMarker::FULL); |
0 | 89 |
90 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); | |
91 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, | |
92 "must be a ParallelScavengeHeap"); | |
93 | |
94 GCCauseSetter gccs(heap, _gc_cause); | |
95 if (_gc_cause == GCCause::_gc_locker | |
96 DEBUG_ONLY(|| _gc_cause == GCCause::_scavenge_alot)) { | |
97 // If (and only if) the scavenge fails, this will invoke a full gc. | |
98 heap->invoke_scavenge(); | |
99 } else { | |
100 heap->invoke_full_gc(false); | |
101 } | |
102 } |