1 /*
2 * Copyright (c) 2017, 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 TestSieveObjects
26 * @summary Acceptance tests: collector can deal with retained objects
27 * @key gc
28 *
29 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
30 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
31 * -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify
32 * TestSieveObjects
33 *
34 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
35 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
36 * -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify
37 * TestSieveObjects
38 *
39 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
40 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
41 * -XX:+ShenandoahDegeneratedGC
42 * TestSieveObjects
43 *
44 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
45 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
46 * -XX:-ShenandoahDegeneratedGC
47 * TestSieveObjects
48 */
49
50 /*
51 * @test TestSieveObjects
52 * @summary Acceptance tests: collector can deal with retained objects
53 * @key gc
54 *
55 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
56 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
57 * -XX:+ShenandoahOOMDuringEvacALot
58 * TestSieveObjects
59 *
60 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
61 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
62 * -XX:+ShenandoahAllocFailureALot
63 * TestSieveObjects
64 *
65 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
66 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
67 * TestSieveObjects
68 */
69
70 /*
71 * @test TestSieveObjects
72 * @summary Acceptance tests: collector can deal with retained objects
73 * @key gc
74 *
75 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
76 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
77 * -XX:+ShenandoahVerify
78 * TestSieveObjects
79 *
80 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
81 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
82 * TestSieveObjects
83 *
84 */
85
86 /*
87 * @test TestSieveObjects
88 * @summary Acceptance tests: collector can deal with retained objects
89 * @key gc
90 *
91 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
92 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
93 * TestSieveObjects
94 */
95
96 /*
97 * @test TestSieveObjects
98 * @summary Acceptance tests: collector can deal with retained objects
99 * @key gc
100 *
101 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
102 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
103 * TestSieveObjects
104 */
105
106 /*
107 * @test TestSieveObjects
108 * @summary Acceptance tests: collector can deal with retained objects
109 * @key gc
110 *
111 * @run main/othervm/timeout=240 -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
112 * -XX:+UseShenandoahGC
113 * -XX:-UseTLAB -XX:+ShenandoahVerify
114 * TestSieveObjects
115 */
116
117 /*
118 * @test TestSieveObjects
119 * @summary Acceptance tests: collector can deal with retained objects
120 * @key gc
121 *
122 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
123 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
124 * -XX:+ShenandoahOOMDuringEvacALot
125 * TestSieveObjects
126 *
127 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
128 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
129 * -XX:+ShenandoahAllocFailureALot
130 * TestSieveObjects
131 *
132 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
133 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
134 * TestSieveObjects
135 */
136
137 /*
138 * @test TestSieveObjects
139 * @summary Acceptance tests: collector can deal with retained objects
140 * @key gc
141 *
142 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
143 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
144 * -XX:+ShenandoahVerify
145 * TestSieveObjects
146 *
147 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
148 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
149 * TestSieveObjects
150 */
151
152 import java.util.concurrent.ThreadLocalRandom;
153
154 public class TestSieveObjects {
155
156 static final int COUNT = 100_000_000;
157 static final int WINDOW = 1_000_000;
158 static final int PAYLOAD = 100;
159
160 static final MyObject[] arr = new MyObject[WINDOW];
161
162 public static void main(String[] args) throws Exception {
163 int rIdx = 0;
164 for (int c = 0; c < COUNT; c++) {
165 MyObject v = arr[rIdx];
166 if (v != null) {
167 if (v.x != rIdx) {
168 throw new IllegalStateException("Illegal value at index " + rIdx + ": " + v.x);
169 }
170 if (ThreadLocalRandom.current().nextInt(1000) > 100) {
171 arr[rIdx] = null;
172 }
173 } else {
174 if (ThreadLocalRandom.current().nextInt(1000) > 500) {
175 arr[rIdx] = new MyObject(rIdx);
176 }
177 }
178 rIdx++;
179 if (rIdx >= WINDOW) {
180 rIdx = 0;
181 }
182 }
183 }
184
185 public static class MyObject {
186 public int x;
187 public byte[] payload;
188
189 public MyObject(int x) {
190 this.x = x;
191 this.payload = new byte[PAYLOAD];
192 }
193 }
194
195 }