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