1 /*
2 * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
3 * Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 /*
27 * @test id=passive
28 * @summary Acceptance tests: collector can deal with retained objects
29 * @key randomness
30 * @requires vm.gc.Shenandoah
31 * @library /test/lib
32 *
33 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
34 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
35 * -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify
36 * TestSieveObjects
37 *
38 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
39 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
40 * -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify
41 * TestSieveObjects
42 *
43 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
44 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
45 * -XX:+ShenandoahDegeneratedGC
46 * TestSieveObjects
47 *
48 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
49 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
50 * -XX:-ShenandoahDegeneratedGC
51 * TestSieveObjects
52 */
53
54 /*
55 * @test id=aggressive
56 * @summary Acceptance tests: collector can deal with retained objects
57 * @key randomness
58 * @requires vm.gc.Shenandoah
59 * @library /test/lib
60 *
61 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
62 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
63 * -XX:+ShenandoahOOMDuringEvacALot
64 * TestSieveObjects
65 *
66 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
67 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
68 * -XX:+ShenandoahAllocFailureALot
69 * TestSieveObjects
70 *
71 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
72 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
73 * TestSieveObjects
74 */
75
76 /*
77 * @test id=adaptive
78 * @summary Acceptance tests: collector can deal with retained objects
79 * @key randomness
80 * @requires vm.gc.Shenandoah
81 * @library /test/lib
82 *
83 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
84 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
85 * -XX:+ShenandoahVerify
86 * TestSieveObjects
87 *
88 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
89 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
90 * TestSieveObjects
91 *
92 */
93
94 /*
95 * @test id=generational
96 * @summary Acceptance tests: collector can deal with retained objects
97 * @key randomness
98 * @requires vm.gc.Shenandoah
99 * @library /test/lib
100 *
101 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
102 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive -XX:ShenandoahGCMode=generational
103 * -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
104 * TestSieveObjects
105 *
106 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
107 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive -XX:ShenandoahGCMode=generational
108 * -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
109 * TestSieveObjects
110 *
111 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
112 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive -XX:ShenandoahGCMode=generational
113 * TestSieveObjects
114 */
115
116 /*
117 * @test id=static
118 * @summary Acceptance tests: collector can deal with retained objects
119 * @key randomness
120 * @requires vm.gc.Shenandoah
121 * @library /test/lib
122 *
123 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
124 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
125 * TestSieveObjects
126 */
127
128 /*
129 * @test id=compact
130 * @summary Acceptance tests: collector can deal with retained objects
131 * @key randomness
132 * @requires vm.gc.Shenandoah
133 * @library /test/lib
134 *
135 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
136 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
137 * TestSieveObjects
138 */
139
140 /*
141 * @test id=no-tlab
142 * @summary Acceptance tests: collector can deal with retained objects
143 * @key randomness
144 * @requires vm.gc.Shenandoah
145 * @library /test/lib
146 *
147 * @run main/othervm/timeout=240 -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
148 * -XX:+UseShenandoahGC
149 * -XX:-UseTLAB -XX:+ShenandoahVerify
150 * TestSieveObjects
151 */
152
153 import java.util.Random;
154 import jdk.test.lib.Utils;
155
156 public class TestSieveObjects {
157
158 static final int COUNT = 100_000_000;
159 static final int WINDOW = 1_000_000;
160 static final int PAYLOAD = 100;
161
162 static final MyObject[] arr = new MyObject[WINDOW];
163
164 public static void main(String[] args) throws Exception {
165 int rIdx = 0;
166 Random rng = Utils.getRandomInstance();
167 for (int c = 0; c < COUNT; c++) {
168 MyObject v = arr[rIdx];
169 if (v != null) {
170 if (v.x != rIdx) {
171 throw new IllegalStateException("Illegal value at index " + rIdx + ": " + v.x);
172 }
173 if (rng.nextInt(1000) > 100) {
174 arr[rIdx] = null;
175 }
176 } else {
177 if (rng.nextInt(1000) > 500) {
178 arr[rIdx] = new MyObject(rIdx);
179 }
180 }
181 rIdx++;
182 if (rIdx >= WINDOW) {
183 rIdx = 0;
184 }
185 }
186 }
187
188 public static class MyObject {
189 public int x;
190 public byte[] payload;
191
192 public MyObject(int x) {
193 this.x = x;
194 this.payload = new byte[PAYLOAD];
195 }
196 }
197
198 }