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