author | never |
Sun, 25 Sep 2011 16:03:29 -0700 | |
changeset 10565 | dc90c239f4ec |
parent 7397 | 5b173b4ca846 |
child 13728 | 882756847a04 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#include "precompiled.hpp" |
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#include "gc_implementation/concurrentMarkSweep/cmsAdaptiveSizePolicy.hpp" |
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#include "gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.hpp" |
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#include "gc_implementation/concurrentMarkSweep/cmsGCAdaptivePolicyCounters.hpp" |
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#include "gc_implementation/parNew/parNewGeneration.hpp" |
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#include "gc_implementation/shared/gcPolicyCounters.hpp" |
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#include "gc_implementation/shared/vmGCOperations.hpp" |
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#include "memory/cardTableRS.hpp" |
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#include "memory/collectorPolicy.hpp" |
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#include "memory/gcLocker.inline.hpp" |
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#include "memory/genCollectedHeap.hpp" |
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#include "memory/generationSpec.hpp" |
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#include "memory/space.hpp" |
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#include "memory/universe.hpp" |
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#include "runtime/arguments.hpp" |
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#include "runtime/globals_extension.hpp" |
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#include "runtime/handles.inline.hpp" |
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#include "runtime/java.hpp" |
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#include "runtime/vmThread.hpp" |
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#ifdef TARGET_OS_FAMILY_linux |
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# include "thread_linux.inline.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_solaris |
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# include "thread_solaris.inline.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_windows |
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# include "thread_windows.inline.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_bsd |
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# include "thread_bsd.inline.hpp" |
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#endif |
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// |
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// ConcurrentMarkSweepPolicy methods |
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// |
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ConcurrentMarkSweepPolicy::ConcurrentMarkSweepPolicy() { |
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initialize_all(); |
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} |
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void ConcurrentMarkSweepPolicy::initialize_generations() { |
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initialize_perm_generation(PermGen::ConcurrentMarkSweep); |
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_generations = new GenerationSpecPtr[number_of_generations()]; |
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if (_generations == NULL) |
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vm_exit_during_initialization("Unable to allocate gen spec"); |
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if (ParNewGeneration::in_use()) { |
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if (UseAdaptiveSizePolicy) { |
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_generations[0] = new GenerationSpec(Generation::ASParNew, |
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_initial_gen0_size, _max_gen0_size); |
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} else { |
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_generations[0] = new GenerationSpec(Generation::ParNew, |
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_initial_gen0_size, _max_gen0_size); |
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} |
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} else { |
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_generations[0] = new GenerationSpec(Generation::DefNew, |
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_initial_gen0_size, _max_gen0_size); |
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} |
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if (UseAdaptiveSizePolicy) { |
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_generations[1] = new GenerationSpec(Generation::ASConcurrentMarkSweep, |
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_initial_gen1_size, _max_gen1_size); |
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} else { |
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_generations[1] = new GenerationSpec(Generation::ConcurrentMarkSweep, |
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_initial_gen1_size, _max_gen1_size); |
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} |
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if (_generations[0] == NULL || _generations[1] == NULL) { |
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vm_exit_during_initialization("Unable to allocate gen spec"); |
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} |
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} |
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void ConcurrentMarkSweepPolicy::initialize_size_policy(size_t init_eden_size, |
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size_t init_promo_size, |
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size_t init_survivor_size) { |
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double max_gc_minor_pause_sec = ((double) MaxGCMinorPauseMillis)/1000.0; |
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double max_gc_pause_sec = ((double) MaxGCPauseMillis)/1000.0; |
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_size_policy = new CMSAdaptiveSizePolicy(init_eden_size, |
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init_promo_size, |
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init_survivor_size, |
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max_gc_minor_pause_sec, |
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max_gc_pause_sec, |
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GCTimeRatio); |
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} |
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void ConcurrentMarkSweepPolicy::initialize_gc_policy_counters() { |
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// initialize the policy counters - 2 collectors, 3 generations |
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if (ParNewGeneration::in_use()) { |
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_gc_policy_counters = new GCPolicyCounters("ParNew:CMS", 2, 3); |
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} |
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else { |
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_gc_policy_counters = new GCPolicyCounters("Copy:CMS", 2, 3); |
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} |
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} |
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// Returns true if the incremental mode is enabled. |
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bool ConcurrentMarkSweepPolicy::has_soft_ended_eden() |
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{ |
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return CMSIncrementalMode; |
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} |
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// |
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// ASConcurrentMarkSweepPolicy methods |
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// |
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void ASConcurrentMarkSweepPolicy::initialize_gc_policy_counters() { |
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assert(size_policy() != NULL, "A size policy is required"); |
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// initialize the policy counters - 2 collectors, 3 generations |
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if (ParNewGeneration::in_use()) { |
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_gc_policy_counters = new CMSGCAdaptivePolicyCounters("ParNew:CMS", 2, 3, |
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size_policy()); |
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} |
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else { |
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_gc_policy_counters = new CMSGCAdaptivePolicyCounters("Copy:CMS", 2, 3, |
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size_policy()); |
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} |
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} |