src/share/vm/gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.hpp

Fri, 01 Nov 2013 17:09:38 +0100

author
jwilhelm
date
Fri, 01 Nov 2013 17:09:38 +0100
changeset 6085
8f07aa079343
parent 2314
f95d63e2154a
child 6198
55fb97c4c58d
permissions
-rw-r--r--

8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
7057939: jmap shows MaxNewSize=4GB when Java is using parallel collector
Summary: Major cleanup of the collectorpolicy classes
Reviewed-by: tschatzl, jcoomes

duke@435 1 /*
trims@1907 2 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSCOLLECTORPOLICY_HPP
stefank@2314 26 #define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSCOLLECTORPOLICY_HPP
stefank@2314 27
stefank@2314 28 #include "memory/collectorPolicy.hpp"
stefank@2314 29
duke@435 30 class ConcurrentMarkSweepPolicy : public TwoGenerationCollectorPolicy {
duke@435 31 protected:
jwilhelm@6085 32 void initialize_alignments();
duke@435 33 void initialize_generations();
duke@435 34
duke@435 35 public:
jwilhelm@6085 36 ConcurrentMarkSweepPolicy() {}
duke@435 37
duke@435 38 ConcurrentMarkSweepPolicy* as_concurrent_mark_sweep_policy() { return this; }
duke@435 39
duke@435 40 void initialize_gc_policy_counters();
jmasa@1822 41
duke@435 42 virtual void initialize_size_policy(size_t init_eden_size,
duke@435 43 size_t init_promo_size,
duke@435 44 size_t init_survivor_size);
duke@435 45
duke@435 46 // Returns true if the incremental mode is enabled.
duke@435 47 virtual bool has_soft_ended_eden();
duke@435 48 };
duke@435 49
duke@435 50 class ASConcurrentMarkSweepPolicy : public ConcurrentMarkSweepPolicy {
duke@435 51 public:
duke@435 52
duke@435 53 // Initialize the jstat counters. This method requires a
duke@435 54 // size policy. The size policy is expected to be created
duke@435 55 // after the generations are fully initialized so the
duke@435 56 // initialization of the counters need to be done post
duke@435 57 // the initialization of the generations.
duke@435 58 void initialize_gc_policy_counters();
duke@435 59
duke@435 60 virtual CollectorPolicy::Name kind() {
duke@435 61 return CollectorPolicy::ASConcurrentMarkSweepPolicyKind;
duke@435 62 }
duke@435 63 };
stefank@2314 64
stefank@2314 65 #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSCOLLECTORPOLICY_HPP

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