Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.cpp
src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.cpp
- changeset 7686
- fb69749583e8
- parent 7070
- 439f0d76cff3
- child 7994
- 04ff2f6cd0eb
- child 9787
- 9f28a4cac6d9
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| 7685:bff23dedb306 | 7686:fb69749583e8 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 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 | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 259 | 259 |
| 260 HeapWord* result = young_gen()->allocate(size); | 260 HeapWord* result = young_gen()->allocate(size); |
| 261 | 261 |
| 262 uint loop_count = 0; | 262 uint loop_count = 0; |
| 263 uint gc_count = 0; | 263 uint gc_count = 0; |
| 264 int gclocker_stalled_count = 0; | 264 uint gclocker_stalled_count = 0; |
| 265 | 265 |
| 266 while (result == NULL) { | 266 while (result == NULL) { |
| 267 // We don't want to have multiple collections for a single filled generation. | 267 // We don't want to have multiple collections for a single filled generation. |
| 268 // To prevent this, each thread tracks the total_collections() value, and if | 268 // To prevent this, each thread tracks the total_collections() value, and if |
| 269 // the count has changed, does not do a new collection. | 269 // the count has changed, does not do a new collection. |
| 519 // This method is used by System.gc() and JVMTI. | 519 // This method is used by System.gc() and JVMTI. |
| 520 void ParallelScavengeHeap::collect(GCCause::Cause cause) { | 520 void ParallelScavengeHeap::collect(GCCause::Cause cause) { |
| 521 assert(!Heap_lock->owned_by_self(), | 521 assert(!Heap_lock->owned_by_self(), |
| 522 "this thread should not own the Heap_lock"); | 522 "this thread should not own the Heap_lock"); |
| 523 | 523 |
| 524 unsigned int gc_count = 0; | 524 uint gc_count = 0; |
| 525 unsigned int full_gc_count = 0; | 525 uint full_gc_count = 0; |
| 526 { | 526 { |
| 527 MutexLocker ml(Heap_lock); | 527 MutexLocker ml(Heap_lock); |
| 528 // This value is guarded by the Heap_lock | 528 // This value is guarded by the Heap_lock |
| 529 gc_count = Universe::heap()->total_collections(); | 529 gc_count = Universe::heap()->total_collections(); |
| 530 full_gc_count = Universe::heap()->total_full_collections(); | 530 full_gc_count = Universe::heap()->total_full_collections(); |
