author | kbarrett |
Tue, 08 Oct 2019 15:15:50 -0400 | |
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/* |
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* Copyright (c) 2001, 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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||
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#ifndef SHARE_GC_G1_G1CONCURRENTREFINETHREAD_HPP |
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#define SHARE_GC_G1_G1CONCURRENTREFINETHREAD_HPP |
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#include "gc/shared/concurrentGCThread.hpp" |
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#include "utilities/ticks.hpp" |
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// Forward Decl. |
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class G1ConcurrentRefine; |
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// One or more G1 Concurrent Refinement Threads may be active if concurrent |
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// refinement is in progress. |
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class G1ConcurrentRefineThread: public ConcurrentGCThread { |
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friend class VMStructs; |
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friend class G1CollectedHeap; |
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double _vtime_start; // Initial virtual time. |
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double _vtime_accum; // Accumulated virtual time. |
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Tickspan _total_refinement_time; |
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size_t _total_refined_cards; |
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uint _worker_id; |
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bool _active; |
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Monitor* _monitor; |
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G1ConcurrentRefine* _cr; |
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void wait_for_completed_buffers(); |
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void set_active(bool x) { _active = x; } |
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// Deactivate this thread. |
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void deactivate(); |
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bool is_primary() { return (_worker_id == 0); } |
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void run_service(); |
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void stop_service(); |
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public: |
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G1ConcurrentRefineThread(G1ConcurrentRefine* cg1r, uint worker_id); |
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bool is_active(); |
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// Activate this thread. |
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void activate(); |
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Tickspan total_refinement_time() const { return _total_refinement_time; } |
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size_t total_refined_cards() const { return _total_refined_cards; } |
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// Total virtual time so far. |
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double vtime_accum() { return _vtime_accum; } |
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}; |
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#endif // SHARE_GC_G1_G1CONCURRENTREFINETHREAD_HPP |