1 /*
2 * Copyright (c) 2016, 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 /*
25 * @test TestAllocObjectArrays
26 * @summary Acceptance tests: collector can withstand allocation
27 * @key gc
28 *
29 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
30 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
31 * -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify
32 * TestAllocObjectArrays
33 *
34 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
35 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
36 * -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify
37 * TestAllocObjectArrays
38 *
39 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
40 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
41 * -XX:+ShenandoahDegeneratedGC
42 * TestAllocObjectArrays
43 *
44 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
45 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
46 * -XX:-ShenandoahDegeneratedGC
47 * TestAllocObjectArrays
48
49 /*
50 * @test TestAllocObjectArrays
51 * @summary Acceptance tests: collector can withstand allocation
52 * @key gc
53 *
54 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
55 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
56 * -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
57 * TestAllocObjectArrays
58 *
59 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
60 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
61 * -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
62 * TestAllocObjectArrays
63 *
64 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
65 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
66 * -XX:+ShenandoahOOMDuringEvacALot
67 * TestAllocObjectArrays
68 *
69 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
70 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
71 * -XX:+ShenandoahAllocFailureALot
72 * TestAllocObjectArrays
73 *
74 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
75 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
76 * TestAllocObjectArrays
77 */
78
79 /*
80 * @test TestAllocObjectArrays
81 * @summary Acceptance tests: collector can withstand allocation
82 * @key gc
83 *
84 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
85 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
86 * -XX:+ShenandoahVerify
87 * TestAllocObjectArrays
88 *
89 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
90 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
91 * TestAllocObjectArrays
92 */
93
94 /*
95 * @test TestAllocObjectArrays
96 * @summary Acceptance tests: collector can withstand allocation
97 * @key gc
98 *
99 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
100 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
101 * TestAllocObjectArrays
102 */
103
104 /*
105 * @test TestAllocObjectArrays
106 * @summary Acceptance tests: collector can withstand allocation
107 * @key gc
108 *
109 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
110 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
111 * TestAllocObjectArrays
112 */
113
114 /*
115 * @test TestAllocObjectArrays
116 * @summary Acceptance tests: collector can withstand allocation
117 * @key gc
118 *
119 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
120 * -XX:+UseShenandoahGC
121 * -XX:-UseTLAB -XX:+ShenandoahVerify
122 * TestAllocObjectArrays
123 */
124
125 /*
126 * @test TestAllocObjectArrays
127 * @summary Acceptance tests: collector can withstand allocation
128 * @key gc
129 *
130 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
131 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
132 * -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
133 * TestAllocObjectArrays
134 *
135 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
136 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
137 * -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
138 * TestAllocObjectArrays
139 *
140 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
141 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
142 * -XX:+ShenandoahOOMDuringEvacALot
143 * TestAllocObjectArrays
144 *
145 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
146 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
147 * -XX:+ShenandoahAllocFailureALot
148 * TestAllocObjectArrays
149 *
150 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
151 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
152 * TestAllocObjectArrays
153 */
154
155 /*
156 * @test TestAllocObjectArrays
157 * @summary Acceptance tests: collector can withstand allocation
158 * @key gc
159 *
160 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
161 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
162 * -XX:+ShenandoahVerify
163 * TestAllocObjectArrays
164 *
165 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
166 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
167 * TestAllocObjectArrays
168 */
169
170 import java.util.Random;
171
172 public class TestAllocObjectArrays {
173
174 static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
175
176 static volatile Object sink;
177
178 public static void main(String[] args) throws Exception {
179 final int min = 0;
180 final int max = 384 * 1024;
181 long count = TARGET_MB * 1024 * 1024 / (16 + 4 * (min + (max - min) / 2));
182
183 Random r = new Random();
184 for (long c = 0; c < count; c++) {
185 sink = new Object[min + r.nextInt(max - min)];
186 }
187 }
188
189 }