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 id=passive
27 * @summary Acceptance tests: collector can withstand allocation
28 * @key randomness
29 * @requires vm.gc.Shenandoah
30 * @library /test/lib
31 *
32 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
33 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
34 * -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify
35 * TestAllocIntArrays
36 *
37 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
38 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
39 * -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify
40 * TestAllocIntArrays
41 *
42 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
43 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
44 * -XX:+ShenandoahDegeneratedGC
45 * TestAllocIntArrays
46 *
47 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
48 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
49 * -XX:-ShenandoahDegeneratedGC
50 * TestAllocIntArrays
51 */
52
53 /*
54 * @test id=aggressive
55 * @summary Acceptance tests: collector can withstand allocation
56 * @key randomness
57 * @requires vm.gc.Shenandoah
58 * @library /test/lib
59 *
60 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
61 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
62 * -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
63 * TestAllocIntArrays
64 *
65 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
66 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
67 * -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
68 * TestAllocIntArrays
69 *
70 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
71 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
72 * -XX:+ShenandoahOOMDuringEvacALot
73 * TestAllocIntArrays
74 *
75 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
76 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
77 * -XX:+ShenandoahAllocFailureALot
78 * TestAllocIntArrays
79 *
80 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
81 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
82 * TestAllocIntArrays
83 */
84
85 /*
86 * @test id=adaptive
87 * @summary Acceptance tests: collector can withstand allocation
88 * @key randomness
89 * @requires vm.gc.Shenandoah
90 * @library /test/lib
91 *
92 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
93 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
94 * -XX:+ShenandoahVerify
95 * TestAllocIntArrays
96 *
97 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
98 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
99 * TestAllocIntArrays
100 */
101
102 /*
103 * @test id=static
104 * @summary Acceptance tests: collector can withstand allocation
105 * @key randomness
106 * @requires vm.gc.Shenandoah
107 * @library /test/lib
108 *
109 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
110 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
111 * TestAllocIntArrays
112 */
113
114 /*
115 * @test id=compact
116 * @summary Acceptance tests: collector can withstand allocation
117 * @key randomness
118 * @requires vm.gc.Shenandoah
119 * @library /test/lib
120 *
121 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
122 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
123 * TestAllocIntArrays
124 */
125
126 /*
127 * @test id=no-tlab
128 * @summary Acceptance tests: collector can withstand allocation
129 * @key randomness
130 * @requires vm.gc.Shenandoah
131 * @library /test/lib
132 *
133 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
134 * -XX:+UseShenandoahGC
135 * -XX:-UseTLAB -XX:+ShenandoahVerify
136 * TestAllocIntArrays
137 */
138 import java.util.Random;
139 import jdk.test.lib.Utils;
140
141 public class TestAllocIntArrays {
142
143 static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
144
145 static volatile Object sink;
146
147 public static void main(String[] args) throws Exception {
148 final int min = 0;
149 final int max = 384 * 1024;
150 long count = TARGET_MB * 1024 * 1024 / (16 + 4 * (min + (max - min) / 2));
151
152 Random r = Utils.getRandomInstance();
153 for (long c = 0; c < count; c++) {
154 sink = new int[min + r.nextInt(max - min)];
155 }
156 }
157
158 }