1/*
2 * Copyright (c) 2018, Red Hat, Inc. All rights reserved.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24#ifndef SHARE_GC_SHENANDOAH_HEURISTICS_SHENANDOAHTRAVERSALHEURISTICS_HPP
25#define SHARE_GC_SHENANDOAH_HEURISTICS_SHENANDOAHTRAVERSALHEURISTICS_HPP
26
27#include "gc/shenandoah/shenandoahHeuristics.hpp"
28
29class ShenandoahTraversalHeuristics : public ShenandoahHeuristics {
30private:
31 uint64_t _last_cset_select;
32
33protected:
34 virtual void choose_collection_set_from_regiondata(ShenandoahCollectionSet* set,
35 RegionData* data, size_t data_size,
36 size_t free);
37
38public:
39 ShenandoahTraversalHeuristics();
40
41 virtual bool should_start_normal_gc() const;
42
43 virtual bool is_experimental();
44
45 virtual bool is_diagnostic();
46
47 virtual bool can_do_traversal_gc();
48
49 virtual const char* name();
50
51 virtual void choose_collection_set(ShenandoahCollectionSet* collection_set);
52
53 virtual bool should_start_traversal_gc();
54};
55
56#endif // SHARE_GC_SHENANDOAH_HEURISTICS_SHENANDOAHTRAVERSALHEURISTICS_HPP
57