1 /*
2 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
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"
33
34 // The following methods are used by the parallel scavenge collector
35 VM_ParallelGCFailedAllocation::VM_ParallelGCFailedAllocation(size_t size,
36 unsigned int gc_count) :
37 VM_GC_Operation(gc_count, GCCause::_allocation_failure),
38 _size(size),
39 _result(NULL)
40 {
41 }
42
43 void VM_ParallelGCFailedAllocation::doit() {
44 SvcGCMarker sgcm(SvcGCMarker::MINOR);
45
46 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
47 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "must be a ParallelScavengeHeap");
48
49 GCCauseSetter gccs(heap, _gc_cause);
50 _result = heap->failed_mem_allocate(_size);
51
52 if (_result == NULL && GC_locker::is_active_and_needs_gc()) {
53 set_gc_locked();
54 }
55 }
56
57 // Only used for System.gc() calls
58 VM_ParallelGCSystemGC::VM_ParallelGCSystemGC(unsigned int gc_count,
59 unsigned int full_gc_count,
60 GCCause::Cause gc_cause) :
61 VM_GC_Operation(gc_count, gc_cause, full_gc_count, true /* full */)
62 {
63 }
64
65 void VM_ParallelGCSystemGC::doit() {
66 SvcGCMarker sgcm(SvcGCMarker::FULL);
67
68 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
69 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap,
70 "must be a ParallelScavengeHeap");
71
72 GCCauseSetter gccs(heap, _gc_cause);
73 if (_gc_cause == GCCause::_gc_locker || _gc_cause == GCCause::_wb_young_gc
74 DEBUG_ONLY(|| _gc_cause == GCCause::_scavenge_alot)) {
75 // If (and only if) the scavenge fails, this will invoke a full gc.
76 heap->invoke_scavenge();
77 } else {
78 heap->do_full_collection(false);
79 }
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1 /*
2 * Copyright (c) 2007, 2014, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
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"
33
34 // The following methods are used by the parallel scavenge collector
35 VM_ParallelGCFailedAllocation::VM_ParallelGCFailedAllocation(size_t word_size,
36 uint gc_count) :
37 VM_CollectForAllocation(word_size, gc_count, GCCause::_allocation_failure) {}
38
39 void VM_ParallelGCFailedAllocation::doit() {
40 SvcGCMarker sgcm(SvcGCMarker::MINOR);
41
42 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
43 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "must be a ParallelScavengeHeap");
44
45 GCCauseSetter gccs(heap, _gc_cause);
46 _result = heap->failed_mem_allocate(_word_size);
47
48 if (_result == NULL && GC_locker::is_active_and_needs_gc()) {
49 set_gc_locked();
50 }
51 }
52
53 // Only used for System.gc() calls
54 VM_ParallelGCSystemGC::VM_ParallelGCSystemGC(uint gc_count,
55 uint full_gc_count,
56 GCCause::Cause gc_cause) :
57 VM_GC_Operation(gc_count, gc_cause, full_gc_count, true /* full */)
58 {
59 }
60
61 void VM_ParallelGCSystemGC::doit() {
62 SvcGCMarker sgcm(SvcGCMarker::FULL);
63
64 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
65 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap,
66 "must be a ParallelScavengeHeap");
67
68 GCCauseSetter gccs(heap, _gc_cause);
69 if (_gc_cause == GCCause::_gc_locker || _gc_cause == GCCause::_wb_young_gc
70 DEBUG_ONLY(|| _gc_cause == GCCause::_scavenge_alot)) {
71 // If (and only if) the scavenge fails, this will invoke a full gc.
72 heap->invoke_scavenge();
73 } else {
74 heap->do_full_collection(false);
75 }
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