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_EPSILON_EPSILONTHREADLOCALDATA_HPP
25#define SHARE_GC_EPSILON_EPSILONTHREADLOCALDATA_HPP
26
27#include "runtime/thread.hpp"
28#include "utilities/debug.hpp"
29
30class EpsilonThreadLocalData {
31private:
32 size_t _ergo_tlab_size;
33 int64_t _last_tlab_time;
34
35 EpsilonThreadLocalData() :
36 _ergo_tlab_size(0),
37 _last_tlab_time(0) {}
38
39 static EpsilonThreadLocalData* data(Thread* thread) {
40 assert(UseEpsilonGC, "Sanity");
41 return thread->gc_data<EpsilonThreadLocalData>();
42 }
43
44public:
45 static void create(Thread* thread) {
46 new (data(thread)) EpsilonThreadLocalData();
47 }
48
49 static void destroy(Thread* thread) {
50 data(thread)->~EpsilonThreadLocalData();
51 }
52
53 static size_t ergo_tlab_size(Thread *thread) {
54 return data(thread)->_ergo_tlab_size;
55 }
56
57 static int64_t last_tlab_time(Thread *thread) {
58 return data(thread)->_last_tlab_time;
59 }
60
61 static void set_ergo_tlab_size(Thread *thread, size_t val) {
62 data(thread)->_ergo_tlab_size = val;
63 }
64
65 static void set_last_tlab_time(Thread *thread, int64_t time) {
66 data(thread)->_last_tlab_time = time;
67 }
68};
69
70#endif // SHARE_GC_EPSILON_EPSILONTHREADLOCALDATA_HPP
71