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 id=passive
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 id=aggressive
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
75 /*
76 * @test id=adaptive
77 * @summary Acceptance tests: collector can deal with retained objects
78 * @key randomness
79 * @requires vm.gc.Shenandoah
80 * @library /test/lib
81 *
82 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
83 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
84 * -XX:+ShenandoahVerify
85 * TestSieveObjects
86 *
87 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
88 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
89 * TestSieveObjects
90 *
91 */
92
93 /*
94 * @test id=static
95 * @summary Acceptance tests: collector can deal with retained objects
96 * @key randomness
97 * @requires vm.gc.Shenandoah
98 * @library /test/lib
99 *
100 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
101 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
102 * TestSieveObjects
103 */
104
105 /*
106 * @test id=compact
107 * @summary Acceptance tests: collector can deal with retained objects
108 * @key randomness
109 * @requires vm.gc.Shenandoah
110 * @library /test/lib
111 *
112 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
113 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
114 * TestSieveObjects
115 */
116
117 /*
118 * @test id=no-tlab
119 * @summary Acceptance tests: collector can deal with retained objects
120 * @key randomness
121 * @requires vm.gc.Shenandoah
122 * @library /test/lib
123 *
124 * @run main/othervm/timeout=240 -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
125 * -XX:+UseShenandoahGC
126 * -XX:-UseTLAB -XX:+ShenandoahVerify
127 * TestSieveObjects
128 */
129
130 import java.util.Random;
131 import jdk.test.lib.Utils;
132
133 public class TestSieveObjects {
134
135 static final int COUNT = 100_000_000;
136 static final int WINDOW = 1_000_000;
137 static final int PAYLOAD = 100;
138
139 static final MyObject[] arr = new MyObject[WINDOW];
140
141 public static void main(String[] args) throws Exception {
142 int rIdx = 0;
143 Random rng = Utils.getRandomInstance();
144 for (int c = 0; c < COUNT; c++) {
145 MyObject v = arr[rIdx];
146 if (v != null) {
147 if (v.x != rIdx) {
148 throw new IllegalStateException("Illegal value at index " + rIdx + ": " + v.x);
149 }
150 if (rng.nextInt(1000) > 100) {
151 arr[rIdx] = null;
152 }
153 } else {
154 if (rng.nextInt(1000) > 500) {
155 arr[rIdx] = new MyObject(rIdx);
156 }
157 }
158 rIdx++;
159 if (rIdx >= WINDOW) {
160 rIdx = 0;
161 }
162 }
163 }
164
165 public static class MyObject {
166 public int x;
167 public byte[] payload;
168
169 public MyObject(int x) {
170 this.x = x;
171 this.payload = new byte[PAYLOAD];
172 }
173 }
174
175 }