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