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 TestAllocIntArrays
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 * TestAllocIntArrays
33 *
34 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
35 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
36 * -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify
37 * TestAllocIntArrays
38 *
39 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
40 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
41 * -XX:+ShenandoahDegeneratedGC
42 * TestAllocIntArrays
43 *
44 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
45 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
46 * -XX:-ShenandoahDegeneratedGC
47 * TestAllocIntArrays
48 */
49
50 /*
51 * @test TestAllocIntArrays
52 * @summary Acceptance tests: collector can withstand allocation
53 * @key gc
54 *
55 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
56 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
57 * -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
58 * TestAllocIntArrays
59 *
60 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
61 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
62 * -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
63 * TestAllocIntArrays
64 *
65 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
66 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
67 * -XX:+ShenandoahOOMDuringEvacALot
68 * TestAllocIntArrays
69 *
70 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
71 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
72 * -XX:+ShenandoahAllocFailureALot
73 * TestAllocIntArrays
74 *
75 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
76 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
77 * TestAllocIntArrays
78 */
79
80 /*
81 * @test TestAllocIntArrays
82 * @summary Acceptance tests: collector can withstand allocation
83 * @key gc
84 *
85 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
86 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
87 * -XX:+ShenandoahVerify
88 * TestAllocIntArrays
89 *
90 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
91 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
92 * TestAllocIntArrays
93 */
94
95 /*
96 * @test TestAllocIntArrays
97 * @summary Acceptance tests: collector can withstand allocation
98 * @key gc
99 *
100 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
101 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
102 * TestAllocIntArrays
103 */
104
105 /*
106 * @test TestAllocIntArrays
107 * @summary Acceptance tests: collector can withstand allocation
108 * @key gc
109 *
110 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
111 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
112 * TestAllocIntArrays
113 */
114
115 /*
116 * @test TestAllocIntArrays
117 * @summary Acceptance tests: collector can withstand allocation
118 * @key gc
119 *
120 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
121 * -XX:+UseShenandoahGC
122 * -XX:-UseTLAB -XX:+ShenandoahVerify
123 * TestAllocIntArrays
124 */
125
126 /*
127 * @test TestAllocIntArrays
128 * @summary Acceptance tests: collector can withstand allocation
129 * @key gc
130 *
131 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
132 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
133 * -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
134 * TestAllocIntArrays
135 *
136 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
137 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
138 * -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
139 * TestAllocIntArrays
140 *
141 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
142 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
143 * -XX:+ShenandoahOOMDuringEvacALot
144 * TestAllocIntArrays
145 *
146 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
147 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
148 * -XX:+ShenandoahAllocFailureALot
149 * TestAllocIntArrays
150 *
151 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
152 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
153 * TestAllocIntArrays
154 */
155
156 /*
157 * @test TestAllocIntArrays
158 * @summary Acceptance tests: collector can withstand allocation
159 * @key gc
160 *
161 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
162 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
163 * -XX:+ShenandoahVerify
164 * TestAllocIntArrays
165 *
166 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
167 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
168 * TestAllocIntArrays
169 */
170
171 import java.util.Random;
172
173 public class TestAllocIntArrays {
174
175 static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
176
177 static volatile Object sink;
178
179 public static void main(String[] args) throws Exception {
180 final int min = 0;
181 final int max = 384 * 1024;
182 long count = TARGET_MB * 1024 * 1024 / (16 + 4 * (min + (max - min) / 2));
183
184 Random r = new Random();
185 for (long c = 0; c < count; c++) {
186 sink = new int[min + r.nextInt(max - min)];
187 }
188 }
189
190 }