src/share/vm/memory/generationSpec.cpp

Thu, 12 Oct 2017 21:27:07 +0800

author
aoqi
date
Thu, 12 Oct 2017 21:27:07 +0800
changeset 7535
7ae4e26cb1e0
parent 6876
710a3c8b516e
permissions
-rw-r--r--

merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 *
aoqi@0 23 */
aoqi@0 24
aoqi@0 25 #include "precompiled.hpp"
aoqi@0 26 #include "memory/binaryTreeDictionary.hpp"
aoqi@0 27 #include "memory/defNewGeneration.hpp"
aoqi@0 28 #include "memory/filemap.hpp"
aoqi@0 29 #include "memory/genRemSet.hpp"
aoqi@0 30 #include "memory/generationSpec.hpp"
aoqi@0 31 #include "memory/tenuredGeneration.hpp"
aoqi@0 32 #include "runtime/java.hpp"
aoqi@0 33 #include "utilities/macros.hpp"
aoqi@0 34 #if INCLUDE_ALL_GCS
aoqi@0 35 #include "gc_implementation/parNew/asParNewGeneration.hpp"
aoqi@0 36 #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp"
aoqi@0 37 #include "gc_implementation/parNew/parNewGeneration.hpp"
aoqi@0 38 #endif // INCLUDE_ALL_GCS
aoqi@0 39
aoqi@0 40 Generation* GenerationSpec::init(ReservedSpace rs, int level,
aoqi@0 41 GenRemSet* remset) {
aoqi@0 42 switch (name()) {
aoqi@0 43 case Generation::DefNew:
aoqi@0 44 return new DefNewGeneration(rs, init_size(), level);
aoqi@0 45
aoqi@0 46 case Generation::MarkSweepCompact:
aoqi@0 47 return new TenuredGeneration(rs, init_size(), level, remset);
aoqi@0 48
aoqi@0 49 #if INCLUDE_ALL_GCS
aoqi@0 50 case Generation::ParNew:
aoqi@0 51 return new ParNewGeneration(rs, init_size(), level);
aoqi@0 52
aoqi@0 53 case Generation::ASParNew:
aoqi@0 54 return new ASParNewGeneration(rs,
aoqi@0 55 init_size(),
aoqi@0 56 init_size() /* min size */,
aoqi@0 57 level);
aoqi@0 58
aoqi@0 59 case Generation::ConcurrentMarkSweep: {
aoqi@0 60 assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set");
aoqi@0 61 CardTableRS* ctrs = remset->as_CardTableRS();
aoqi@0 62 if (ctrs == NULL) {
aoqi@0 63 vm_exit_during_initialization("Rem set incompatibility.");
aoqi@0 64 }
aoqi@0 65 // Otherwise
aoqi@0 66 // The constructor creates the CMSCollector if needed,
aoqi@0 67 // else registers with an existing CMSCollector
aoqi@0 68
aoqi@0 69 ConcurrentMarkSweepGeneration* g = NULL;
aoqi@0 70 g = new ConcurrentMarkSweepGeneration(rs,
aoqi@0 71 init_size(), level, ctrs, UseCMSAdaptiveFreeLists,
aoqi@0 72 (FreeBlockDictionary<FreeChunk>::DictionaryChoice)CMSDictionaryChoice);
aoqi@0 73
aoqi@0 74 g->initialize_performance_counters();
aoqi@0 75
aoqi@0 76 return g;
aoqi@0 77 }
aoqi@0 78
aoqi@0 79 case Generation::ASConcurrentMarkSweep: {
aoqi@0 80 assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set");
aoqi@0 81 CardTableRS* ctrs = remset->as_CardTableRS();
aoqi@0 82 if (ctrs == NULL) {
aoqi@0 83 vm_exit_during_initialization("Rem set incompatibility.");
aoqi@0 84 }
aoqi@0 85 // Otherwise
aoqi@0 86 // The constructor creates the CMSCollector if needed,
aoqi@0 87 // else registers with an existing CMSCollector
aoqi@0 88
aoqi@0 89 ASConcurrentMarkSweepGeneration* g = NULL;
aoqi@0 90 g = new ASConcurrentMarkSweepGeneration(rs,
aoqi@0 91 init_size(), level, ctrs, UseCMSAdaptiveFreeLists,
aoqi@0 92 (FreeBlockDictionary<FreeChunk>::DictionaryChoice)CMSDictionaryChoice);
aoqi@0 93
aoqi@0 94 g->initialize_performance_counters();
aoqi@0 95
aoqi@0 96 return g;
aoqi@0 97 }
aoqi@0 98 #endif // INCLUDE_ALL_GCS
aoqi@0 99
aoqi@0 100 default:
aoqi@0 101 guarantee(false, "unrecognized GenerationName");
aoqi@0 102 return NULL;
aoqi@0 103 }
aoqi@0 104 }

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