Mercurial > hg > truffle
view src/share/vm/gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.cpp @ 4939:45a1bf98f1bb
7141329: Strange values of stack_size in -XX:+TraceMethodHandles output
Reviewed-by: kvn, never
author | twisti |
---|---|
date | Mon, 13 Feb 2012 02:29:22 -0800 |
parents | f08d439fab8c |
children | da91efe96a93 |
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/* * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "gc_implementation/concurrentMarkSweep/cmsAdaptiveSizePolicy.hpp" #include "gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.hpp" #include "gc_implementation/concurrentMarkSweep/cmsGCAdaptivePolicyCounters.hpp" #include "gc_implementation/parNew/parNewGeneration.hpp" #include "gc_implementation/shared/gcPolicyCounters.hpp" #include "gc_implementation/shared/vmGCOperations.hpp" #include "memory/cardTableRS.hpp" #include "memory/collectorPolicy.hpp" #include "memory/gcLocker.inline.hpp" #include "memory/genCollectedHeap.hpp" #include "memory/generationSpec.hpp" #include "memory/space.hpp" #include "memory/universe.hpp" #include "runtime/arguments.hpp" #include "runtime/globals_extension.hpp" #include "runtime/handles.inline.hpp" #include "runtime/java.hpp" #include "runtime/vmThread.hpp" #ifdef TARGET_OS_FAMILY_linux # include "thread_linux.inline.hpp" #endif #ifdef TARGET_OS_FAMILY_solaris # include "thread_solaris.inline.hpp" #endif #ifdef TARGET_OS_FAMILY_windows # include "thread_windows.inline.hpp" #endif #ifdef TARGET_OS_FAMILY_bsd # include "thread_bsd.inline.hpp" #endif // // ConcurrentMarkSweepPolicy methods // ConcurrentMarkSweepPolicy::ConcurrentMarkSweepPolicy() { initialize_all(); } void ConcurrentMarkSweepPolicy::initialize_generations() { initialize_perm_generation(PermGen::ConcurrentMarkSweep); _generations = new GenerationSpecPtr[number_of_generations()]; if (_generations == NULL) vm_exit_during_initialization("Unable to allocate gen spec"); if (ParNewGeneration::in_use()) { if (UseAdaptiveSizePolicy) { _generations[0] = new GenerationSpec(Generation::ASParNew, _initial_gen0_size, _max_gen0_size); } else { _generations[0] = new GenerationSpec(Generation::ParNew, _initial_gen0_size, _max_gen0_size); } } else { _generations[0] = new GenerationSpec(Generation::DefNew, _initial_gen0_size, _max_gen0_size); } if (UseAdaptiveSizePolicy) { _generations[1] = new GenerationSpec(Generation::ASConcurrentMarkSweep, _initial_gen1_size, _max_gen1_size); } else { _generations[1] = new GenerationSpec(Generation::ConcurrentMarkSweep, _initial_gen1_size, _max_gen1_size); } if (_generations[0] == NULL || _generations[1] == NULL) { vm_exit_during_initialization("Unable to allocate gen spec"); } } void ConcurrentMarkSweepPolicy::initialize_size_policy(size_t init_eden_size, size_t init_promo_size, size_t init_survivor_size) { double max_gc_minor_pause_sec = ((double) MaxGCMinorPauseMillis)/1000.0; double max_gc_pause_sec = ((double) MaxGCPauseMillis)/1000.0; _size_policy = new CMSAdaptiveSizePolicy(init_eden_size, init_promo_size, init_survivor_size, max_gc_minor_pause_sec, max_gc_pause_sec, GCTimeRatio); } void ConcurrentMarkSweepPolicy::initialize_gc_policy_counters() { // initialize the policy counters - 2 collectors, 3 generations if (ParNewGeneration::in_use()) { _gc_policy_counters = new GCPolicyCounters("ParNew:CMS", 2, 3); } else { _gc_policy_counters = new GCPolicyCounters("Copy:CMS", 2, 3); } } // Returns true if the incremental mode is enabled. bool ConcurrentMarkSweepPolicy::has_soft_ended_eden() { return CMSIncrementalMode; } // // ASConcurrentMarkSweepPolicy methods // void ASConcurrentMarkSweepPolicy::initialize_gc_policy_counters() { assert(size_policy() != NULL, "A size policy is required"); // initialize the policy counters - 2 collectors, 3 generations if (ParNewGeneration::in_use()) { _gc_policy_counters = new CMSGCAdaptivePolicyCounters("ParNew:CMS", 2, 3, size_policy()); } else { _gc_policy_counters = new CMSGCAdaptivePolicyCounters("Copy:CMS", 2, 3, size_policy()); } }