comparison src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.hpp @ 10405:f2110083203d

8005849: JEP 167: Event-Based JVM Tracing Reviewed-by: acorn, coleenp, sla Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
author sla
date Mon, 10 Jun 2013 11:30:51 +0200
parents d2a62e0f25eb
children 9766f73e770d
comparison
equal deleted inserted replaced
10404:d0add7016434 10405:f2110083203d
1 /* 1 /*
2 * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2002, 2013, 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.
24 24
25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPROMOTIONMANAGER_HPP 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPROMOTIONMANAGER_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPROMOTIONMANAGER_HPP 26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPROMOTIONMANAGER_HPP
27 27
28 #include "gc_implementation/parallelScavenge/psPromotionLAB.hpp" 28 #include "gc_implementation/parallelScavenge/psPromotionLAB.hpp"
29 #include "gc_implementation/shared/gcTrace.hpp"
30 #include "gc_implementation/shared/copyFailedInfo.hpp"
29 #include "memory/allocation.hpp" 31 #include "memory/allocation.hpp"
30 #include "utilities/taskqueue.hpp" 32 #include "utilities/taskqueue.hpp"
31 33
32 // 34 //
33 // psPromotionManager is used by a single thread to manage object survival 35 // psPromotionManager is used by a single thread to manage object survival
34 // during a scavenge. The promotion manager contains thread local data only. 36 // during a scavenge. The promotion manager contains thread local data only.
35 // 37 //
36 // NOTE! Be carefull when allocating the stacks on cheap. If you are going 38 // NOTE! Be careful when allocating the stacks on cheap. If you are going
37 // to use a promotion manager in more than one thread, the stacks MUST be 39 // to use a promotion manager in more than one thread, the stacks MUST be
38 // on cheap. This can lead to memory leaks, though, as they are not auto 40 // on cheap. This can lead to memory leaks, though, as they are not auto
39 // deallocated. 41 // deallocated.
40 // 42 //
41 // FIX ME FIX ME Add a destructor, and don't rely on the user to drain/flush/deallocate! 43 // FIX ME FIX ME Add a destructor, and don't rely on the user to drain/flush/deallocate!
82 bool _totally_drain; 84 bool _totally_drain;
83 uint _target_stack_size; 85 uint _target_stack_size;
84 86
85 uint _array_chunk_size; 87 uint _array_chunk_size;
86 uint _min_array_size_for_chunking; 88 uint _min_array_size_for_chunking;
89
90 PromotionFailedInfo _promotion_failed_info;
87 91
88 // Accessors 92 // Accessors
89 static PSOldGen* old_gen() { return _old_gen; } 93 static PSOldGen* old_gen() { return _old_gen; }
90 static MutableSpace* young_space() { return _young_space; } 94 static MutableSpace* young_space() { return _young_space; }
91 95
147 public: 151 public:
148 // Static 152 // Static
149 static void initialize(); 153 static void initialize();
150 154
151 static void pre_scavenge(); 155 static void pre_scavenge();
152 static void post_scavenge(); 156 static bool post_scavenge(YoungGCTracer& gc_tracer);
153 157
154 static PSPromotionManager* gc_thread_promotion_manager(int index); 158 static PSPromotionManager* gc_thread_promotion_manager(int index);
155 static PSPromotionManager* vm_thread_promotion_manager(); 159 static PSPromotionManager* vm_thread_promotion_manager();
156 160
157 static bool steal_depth(int queue_num, int* seed, StarTask& t) { 161 static bool steal_depth(int queue_num, int* seed, StarTask& t) {