/* * Copyright (c) 2007, 2015, 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/cms/cmsCollectorPolicy.hpp" #include "gc/cms/parNewGeneration.hpp" #include "gc/shared/adaptiveSizePolicy.hpp" #include "gc/shared/cardTableRS.hpp" #include "gc/shared/collectorPolicy.hpp" #include "gc/shared/gcLocker.inline.hpp" #include "gc/shared/gcPolicyCounters.hpp" #include "gc/shared/genCollectedHeap.hpp" #include "gc/shared/generationSpec.hpp" #include "gc/shared/space.hpp" #include "gc/shared/vmGCOperations.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/thread.inline.hpp" #include "runtime/vmThread.hpp" // // ConcurrentMarkSweepPolicy methods // void ConcurrentMarkSweepPolicy::initialize_alignments() { _space_alignment = _gen_alignment = (uintx)Generation::GenGrain; _heap_alignment = compute_heap_alignment(); } void ConcurrentMarkSweepPolicy::initialize_generations() { _young_gen_spec = new GenerationSpec(Generation::ParNew, _initial_young_size, _max_young_size, _gen_alignment); _old_gen_spec = new GenerationSpec(Generation::ConcurrentMarkSweep, _initial_old_size, _max_old_size, _gen_alignment); } void ConcurrentMarkSweepPolicy::initialize_size_policy(size_t init_eden_size, size_t init_promo_size, size_t init_survivor_size) { double max_gc_pause_sec = ((double) MaxGCPauseMillis)/1000.0; _size_policy = new AdaptiveSizePolicy(init_eden_size, init_promo_size, init_survivor_size, max_gc_pause_sec, GCTimeRatio); } void ConcurrentMarkSweepPolicy::initialize_gc_policy_counters() { // initialize the policy counters - 2 collectors, 3 generations _gc_policy_counters = new GCPolicyCounters("ParNew:CMS", 2, 3); }