1 /* 2 * Copyright (c) 2017, 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_GC_G1_G1FULLGCREFERENCEPROCESSOREXECUTOR_HPP 26 #define SHARE_GC_G1_G1FULLGCREFERENCEPROCESSOREXECUTOR_HPP 27 28 #include "gc/g1/g1FullGCCompactionPoint.hpp" 29 #include "gc/g1/g1FullGCScope.hpp" 30 #include "gc/g1/g1FullGCTask.hpp" 31 #include "gc/g1/g1RootProcessor.hpp" 32 #include "gc/g1/g1StringDedup.hpp" 33 #include "gc/g1/heapRegionManager.hpp" 34 #include "gc/shared/referenceProcessor.hpp" 35 #include "gc/shared/taskqueue.hpp" 36 #include "utilities/ticks.hpp" 37 38 class G1FullGCTracer; 39 class STWGCTimer; 40 41 class G1FullGCReferenceProcessingExecutor: public AbstractRefProcTaskExecutor { 42 G1FullCollector* _collector; 43 ReferenceProcessor* _reference_processor; 44 uint _old_mt_degree; 45 46 public: 47 G1FullGCReferenceProcessingExecutor(G1FullCollector* collector); 48 ~G1FullGCReferenceProcessingExecutor(); 49 50 // Do reference processing. 51 void execute(STWGCTimer* timer, G1FullGCTracer* tracer); 52 53 // Executes the given task using concurrent marking worker threads. 54 virtual void execute(ProcessTask& task, uint ergo_workers); 55 56 private: 57 void run_task(AbstractGangTask* task); 58 void run_task(AbstractGangTask* task, uint workers); 59 60 class G1RefProcTaskProxy : public AbstractGangTask { 61 typedef AbstractRefProcTaskExecutor::ProcessTask ProcessTask; 62 ProcessTask& _proc_task; 63 G1FullCollector* _collector; 64 OWSTTaskTerminator _terminator; 65 66 public: 67 G1RefProcTaskProxy(ProcessTask& proc_task, 68 G1FullCollector* scope); 69 70 virtual void work(uint worker_id); 71 }; 72 }; 73 74 #endif // SHARE_GC_G1_G1FULLGCREFERENCEPROCESSOREXECUTOR_HPP