/*

 * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.

 *

 * 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_VM_GC_SHENANDOAH_SHENANDOAHWORKERPOLICY_HPP

#define SHARE_VM_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_evac;

  static uint _prev_fullgc;

  static uint _prev_degengc;

  static uint _prev_stw_traversal;

  static uint _prev_conc_traversal;

  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 evacuation (concurrent GC)

  static uint calc_workers_for_conc_evac();

  // 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 Stop-the-world traversal GC

  static uint calc_workers_for_stw_traversal();

  // Calculate workers for concurrent traversal GC

  static uint calc_workers_for_conc_traversal();

  // Calculate workers for concurrent reference update

  static uint calc_workers_for_conc_update_ref();

  // 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_VM_GC_SHENANDOAH_SHENANDOAHWORKERPOLICY_HPP