1 /*
2 * Copyright (c) 2016, 2018, Red Hat, Inc. 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.
18 *
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
21 * questions.
22 *
23 */
24
25 /*
26 * @test TestAllocIntArrays
27 * @summary Acceptance tests: collector can withstand allocation
28 * @key gc
29 * @requires vm.gc.Shenandoah & !vm.graal.enabled
30 *
31 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
32 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
33 * -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify
34 * TestAllocIntArrays
35 *
36 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
37 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
38 * -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify
39 * TestAllocIntArrays
40 *
41 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
42 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
43 * -XX:+ShenandoahDegeneratedGC
44 * TestAllocIntArrays
45 *
46 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
47 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
48 * -XX:-ShenandoahDegeneratedGC
49 * TestAllocIntArrays
50 */
51
52 /*
53 * @test TestAllocIntArrays
54 * @summary Acceptance tests: collector can withstand allocation
55 * @key gc
56 * @requires vm.gc.Shenandoah & !vm.graal.enabled
57 *
58 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
59 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
60 * -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
61 * TestAllocIntArrays
62 *
63 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
64 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
65 * -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
66 * TestAllocIntArrays
67 *
68 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
69 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
70 * -XX:+ShenandoahOOMDuringEvacALot
71 * TestAllocIntArrays
72 *
73 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
74 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
75 * -XX:+ShenandoahAllocFailureALot
76 * TestAllocIntArrays
77 *
78 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
79 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
80 * TestAllocIntArrays
81 *
82 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
83 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
84 * -XX:+ShenandoahVerify
85 * TestAllocIntArrays
86 *
87 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
88 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
89 * TestAllocIntArrays
90 *
91 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
92 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
93 * TestAllocIntArrays
94 *
95 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
96 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
97 * TestAllocIntArrays
98 *
99 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
100 * -XX:+UseShenandoahGC
101 * -XX:-UseTLAB -XX:+ShenandoahVerify
102 * TestAllocIntArrays
103 */
104
105 /*
106 * @test TestAllocIntArrays
107 * @summary Acceptance tests: collector can withstand allocation
108 * @key gc
109 * @requires vm.gc.Shenandoah & !vm.graal.enabled
110 *
111 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
112 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
113 * -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
114 * TestAllocIntArrays
115 *
116 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
117 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
118 * -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
119 * TestAllocIntArrays
120 *
121 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
122 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
123 * -XX:+ShenandoahOOMDuringEvacALot
124 * TestAllocIntArrays
125 *
126 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
127 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
128 * -XX:+ShenandoahAllocFailureALot
129 * TestAllocIntArrays
130 *
131 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
132 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
133 * TestAllocIntArrays
134 *
135 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
136 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
137 * -XX:+ShenandoahVerify
138 * TestAllocIntArrays
139 *
140 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
141 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
142 * TestAllocIntArrays
143 */
144
145 import java.util.Random;
146
147 public class TestAllocIntArrays {
148
149 static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
150
151 static volatile Object sink;
152
153 public static void main(String[] args) throws Exception {
154 final int min = 0;
155 final int max = 384 * 1024;
156 long count = TARGET_MB * 1024 * 1024 / (16 + 4 * (min + (max - min) / 2));
157
158 Random r = new Random();
159 for (long c = 0; c < count; c++) {
160 sink = new int[min + r.nextInt(max - min)];
161 }
162 }
163
164 }