1 /*
2 * Copyright (c) 2017, 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 TestSieveObjects
27 * @summary Acceptance tests: collector can deal with retained objects
28 * @key randomness
29 * @requires vm.gc.Shenandoah
30 * @library /test/lib
31 *
32 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
33 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
34 * -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify
35 * TestSieveObjects
36 *
37 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
38 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
39 * -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify
40 * TestSieveObjects
41 *
42 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
43 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
44 * -XX:+ShenandoahDegeneratedGC
45 * TestSieveObjects
46 *
47 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
48 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
49 * -XX:-ShenandoahDegeneratedGC
50 * TestSieveObjects
51 */
52
53 /*
54 * @test TestSieveObjects
55 * @summary Acceptance tests: collector can deal with retained objects
56 * @key randomness
57 * @requires vm.gc.Shenandoah
58 * @library /test/lib
59 *
60 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
61 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
62 * -XX:+ShenandoahOOMDuringEvacALot
63 * TestSieveObjects
64 *
65 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
66 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
67 * -XX:+ShenandoahAllocFailureALot
68 * TestSieveObjects
69 *
70 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
71 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
72 * TestSieveObjects
73 *
74 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
75 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
76 * -XX:+ShenandoahVerify
77 * TestSieveObjects
78 *
79 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
80 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
81 * TestSieveObjects
82 *
83 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
84 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
85 * TestSieveObjects
86 *
87 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
88 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
89 * TestSieveObjects
90 *
91 * @run main/othervm/timeout=240 -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
92 * -XX:+UseShenandoahGC
93 * -XX:-UseTLAB -XX:+ShenandoahVerify
94 * TestSieveObjects
95 */
96
97 /*
98 * @test TestSieveObjects
99 * @summary Acceptance tests: collector can deal with retained objects
100 * @key randomness
101 * @requires vm.gc.Shenandoah
102 * @library /test/lib
103 *
104 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
105 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
106 * -XX:+ShenandoahOOMDuringEvacALot
107 * TestSieveObjects
108 *
109 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
110 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
111 * -XX:+ShenandoahAllocFailureALot
112 * TestSieveObjects
113 *
114 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
115 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
116 * TestSieveObjects
117 *
118 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
119 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
120 * -XX:+ShenandoahVerify
121 * TestSieveObjects
122 *
123 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
124 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
125 * TestSieveObjects
126 */
127
128 import java.util.Random;
129 import jdk.test.lib.Utils;
130
131 public class TestSieveObjects {
132
133 static final int COUNT = 100_000_000;
134 static final int WINDOW = 1_000_000;
135 static final int PAYLOAD = 100;
136
137 static final MyObject[] arr = new MyObject[WINDOW];
138
139 public static void main(String[] args) throws Exception {
140 int rIdx = 0;
141 Random rng = Utils.getRandomInstance();
142 for (int c = 0; c < COUNT; c++) {
143 MyObject v = arr[rIdx];
144 if (v != null) {
145 if (v.x != rIdx) {
146 throw new IllegalStateException("Illegal value at index " + rIdx + ": " + v.x);
147 }
148 if (rng.nextInt(1000) > 100) {
149 arr[rIdx] = null;
150 }
151 } else {
152 if (rng.nextInt(1000) > 500) {
153 arr[rIdx] = new MyObject(rIdx);
154 }
155 }
156 rIdx++;
157 if (rIdx >= WINDOW) {
158 rIdx = 0;
159 }
160 }
161 }
162
163 public static class MyObject {
164 public int x;
165 public byte[] payload;
166
167 public MyObject(int x) {
168 this.x = x;
169 this.payload = new byte[PAYLOAD];
170 }
171 }
172
173 }