d46d9318c1
Before scanning the heap for roots into the collection set, merge them into a single remembered set (card table) and do work distribution based on location like other collectors do. Reviewed-by: kbarrett, lkorinth
48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
/*
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* Copyright (c) 2018, 2019, 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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#ifndef SHARE_GC_G1_G1HETEROGENEOUSHEAPPOLICY_HPP
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#define SHARE_GC_G1_G1HETEROGENEOUSHEAPPOLICY_HPP
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#include "gc/g1/g1Policy.hpp"
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#include "gc/g1/heterogeneousHeapRegionManager.hpp"
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class G1HeterogeneousHeapPolicy : public G1Policy {
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// Stash a pointer to the hrm.
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HeterogeneousHeapRegionManager* _manager;
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public:
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G1HeterogeneousHeapPolicy(STWGCTimer* gc_timer);
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// initialize policy
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virtual void init(G1CollectedHeap* g1h, G1CollectionSet* collection_set);
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// Record end of an evacuation pause.
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virtual void record_collection_pause_end(double pause_time_ms, size_t heap_used_bytes_before_gc);
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// Record the end of full collection.
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virtual void record_full_collection_end();
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virtual bool force_upgrade_to_full();
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};
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#endif // SHARE_GC_G1_G1HETEROGENEOUSHEAPPOLICY_HPP
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