src/hotspot/share/gc/z/zHeuristics.hpp
author pliden
Wed, 20 Nov 2019 10:37:46 +0100
changeset 59150 82b2ba888190
parent 59149 3b998574be4b
permissions -rw-r--r--
8234361: ZGC: Move heuristics code in ZWorker to ZHeuristics Reviewed-by: eosterlund, stefank

/*
 * Copyright (c) 2019, Oracle and/or its affiliates. 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
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 */

#ifndef SHARE_GC_Z_ZHEURISTICS_HPP
#define SHARE_GC_Z_ZHEURISTICS_HPP

#include "memory/allocation.hpp"

class ZHeuristics : public AllStatic {
public:
  static void set_medium_page_size();

  static bool use_per_cpu_shared_small_pages();

  static uint nparallel_workers();
  static uint nconcurrent_workers();
};

#endif // SHARE_GC_Z_ZHEURISTICS_HPP