Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.cpp @ 2225:c798c277ddd1
7015169: GC Cause not always set
Summary: Sometimes the gc cause was not always set. This caused JStat to print the wrong information.
Reviewed-by: tonyp, ysr
Contributed-by: suenaga.yasumasa@oss.ntt.co.jp
| author | brutisso |
|---|---|
| date | Thu, 03 Feb 2011 20:49:09 -0800 |
| parents | 7246a374a9f2 |
| children | c9ca3f51cf41 |
| rev | line source |
|---|---|
| 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 } |