1/*
2 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
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22 */
23
24#ifndef SHARE_GC_Z_Z_GLOBALS_HPP
25#define SHARE_GC_Z_Z_GLOBALS_HPP
26
27#define GC_Z_FLAGS(develop, \
28 develop_pd, \
29 product, \
30 product_pd, \
31 diagnostic, \
32 diagnostic_pd, \
33 experimental, \
34 notproduct, \
35 manageable, \
36 product_rw, \
37 lp64_product, \
38 range, \
39 constraint, \
40 writeable) \
41 \
42 experimental(ccstr, ZPath, NULL, \
43 "Filesystem path for Java heap backing storage " \
44 "(must be a tmpfs or a hugetlbfs filesystem)") \
45 \
46 experimental(double, ZAllocationSpikeTolerance, 2.0, \
47 "Allocation spike tolerance factor") \
48 \
49 experimental(double, ZFragmentationLimit, 25.0, \
50 "Maximum allowed heap fragmentation") \
51 \
52 experimental(size_t, ZMarkStackSpaceLimit, 8*G, \
53 "Maximum number of bytes allocated for mark stacks") \
54 range(32*M, 1024*G) \
55 \
56 experimental(uint, ZCollectionInterval, 0, \
57 "Force GC at a fixed time interval (in seconds)") \
58 \
59 experimental(bool, ZUncommit, true, \
60 "Uncommit unused memory") \
61 \
62 experimental(uintx, ZUncommitDelay, 5 * 60, \
63 "Uncommit memory if it has been unused for the specified " \
64 "amount of time (in seconds)") \
65 \
66 diagnostic(uint, ZStatisticsInterval, 10, \
67 "Time between statistics print outs (in seconds)") \
68 range(1, (uint)-1) \
69 \
70 diagnostic(bool, ZStatisticsForceTrace, false, \
71 "Force tracing of ZStats") \
72 \
73 diagnostic(bool, ZProactive, true, \
74 "Enable proactive GC cycles") \
75 \
76 diagnostic(bool, ZVerifyViews, false, \
77 "Verify heap view accesses") \
78 \
79 diagnostic(bool, ZVerifyRoots, trueInDebug, \
80 "Verify roots") \
81 \
82 diagnostic(bool, ZVerifyObjects, false, \
83 "Verify objects") \
84 \
85 diagnostic(bool, ZVerifyMarking, false, \
86 "Verify marking stacks") \
87 \
88 diagnostic(bool, ZVerifyForwarding, false, \
89 "Verify forwarding tables") \
90 \
91 develop(bool, ZVerifyLoadBarriers, false, \
92 "Verify that reference loads are followed by barriers")
93
94#endif // SHARE_GC_Z_Z_GLOBALS_HPP
95