/* * Copyright (c) 2017, 2019, Red Hat, Inc. 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. * */ #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHWORKERPOLICY_HPP #define SHARE_GC_SHENANDOAH_SHENANDOAHWORKERPOLICY_HPP #include "memory/allocation.hpp" class ShenandoahWorkerPolicy : AllStatic { private: static uint _prev_par_marking; static uint _prev_conc_marking; static uint _prev_conc_root_proc; static uint _prev_conc_evac_update; static uint _prev_fullgc; static uint _prev_degengc; static uint _prev_conc_update_ref; static uint _prev_par_update_ref; static uint _prev_conc_cleanup; static uint _prev_conc_reset; public: // Calculate the number of workers for initial marking static uint calc_workers_for_init_marking(); // Calculate the number of workers for concurrent marking static uint calc_workers_for_conc_marking(); // Calculate the number of workers for final marking static uint calc_workers_for_final_marking(); // Calculate workers for concurrent root processing static uint calc_workers_for_conc_root_processing(); // Calculate workers for concurrent evac-update (concurrent GC) static uint calc_workers_for_conc_evac_update(); // Calculate workers for parallel full gc static uint calc_workers_for_fullgc(); // Calculate workers for parallel degenerated gc static uint calc_workers_for_stw_degenerated(); // Calculate workers for parallel/final reference update static uint calc_workers_for_final_update_ref(); // Calculate workers for concurrent precleaning static uint calc_workers_for_conc_preclean(); // Calculate workers for concurrent cleanup static uint calc_workers_for_conc_cleanup(); // Calculate workers for concurrent reset static uint calc_workers_for_conc_reset(); }; #endif // SHARE_GC_SHENANDOAH_SHENANDOAHWORKERPOLICY_HPP