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 * @requires vm.gc.Shenandoah 30 * 31 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 32 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive 33 * -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify 34 * TestRetainObjects 35 * 36 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 37 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive 38 * -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify 39 * TestRetainObjects 40 * 41 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 42 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive 43 * -XX:+ShenandoahDegeneratedGC 44 * TestRetainObjects 45 * 46 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 47 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive 48 * -XX:-ShenandoahDegeneratedGC 49 * TestRetainObjects 50 */ 51 52 /* 53 * @test id=aggressive 54 * @summary Acceptance tests: collector can deal with retained objects 55 * @requires vm.gc.Shenandoah 56 * 57 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 58 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive 59 * -XX:+ShenandoahOOMDuringEvacALot 60 * TestRetainObjects 61 * 62 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 63 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive 64 * -XX:+ShenandoahAllocFailureALot 65 * TestRetainObjects 66 * 67 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 68 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive 69 * TestRetainObjects 70 */ 71 72 /* 73 * @test id=adaptive 74 * @summary Acceptance tests: collector can deal with retained objects 75 * @requires vm.gc.Shenandoah 76 * 77 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 78 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive 79 * -XX:+ShenandoahVerify 80 * TestRetainObjects 81 * 82 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 83 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive 84 * TestRetainObjects 85 */ 86 87 /* 88 * @test id=generational 89 * @summary Acceptance tests: collector can deal with retained objects 90 * @requires vm.gc.Shenandoah 91 * 92 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 93 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive -XX:ShenandoahGCMode=generational 94 * -XX:+ShenandoahVerify 95 * TestRetainObjects 96 * 97 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 98 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive -XX:ShenandoahGCMode=generational 99 * -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify 100 * TestRetainObjects 101 * 102 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 103 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive -XX:ShenandoahGCMode=generational 104 * -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify 105 * TestRetainObjects 106 * 107 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 108 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive -XX:ShenandoahGCMode=generational 109 * TestRetainObjects 110 */ 111 112 /* 113 * @test id=static 114 * @summary Acceptance tests: collector can deal with retained objects 115 * @requires vm.gc.Shenandoah 116 * 117 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 118 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static 119 * TestRetainObjects 120 */ 121 122 /* 123 * @test id=compact 124 * @summary Acceptance tests: collector can deal with retained objects 125 * @requires vm.gc.Shenandoah 126 * 127 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 128 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact 129 * TestRetainObjects 130 */ 131 132 /* 133 * @test id=no-tlab 134 * @summary Acceptance tests: collector can deal with retained objects 135 * @requires vm.gc.Shenandoah 136 * 137 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 138 * -XX:+UseShenandoahGC 139 * -XX:-UseTLAB -XX:+ShenandoahVerify 140 * TestRetainObjects 141 */ 142 143 /* 144 * @test id=iu-aggressive 145 * @summary Acceptance tests: collector can deal with retained objects 146 * @requires vm.gc.Shenandoah 147 * 148 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 149 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive 150 * -XX:+ShenandoahOOMDuringEvacALot 151 * TestRetainObjects 152 * 153 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 154 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive 155 * -XX:+ShenandoahAllocFailureALot 156 * TestRetainObjects 157 * 158 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 159 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive 160 * TestRetainObjects 161 */ 162 163 /* 164 * @test id=iu 165 * @summary Acceptance tests: collector can deal with retained objects 166 * @requires vm.gc.Shenandoah 167 * 168 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 169 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu 170 * -XX:+ShenandoahVerify 171 * TestRetainObjects 172 * 173 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions 174 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu 175 * TestRetainObjects 176 */ 177 178 public class TestRetainObjects { 179 180 static final int COUNT = 10_000_000; 181 static final int WINDOW = 10_000; 182 183 static final String[] reachable = new String[WINDOW]; 184 185 public static void main(String[] args) throws Exception { 186 int rIdx = 0; 187 for (int c = 0; c < COUNT; c++) { 188 reachable[rIdx] = ("LargeString" + c); 189 rIdx++; 190 if (rIdx >= WINDOW) { 191 rIdx = 0; 192 } 193 } 194 } 195 196 } --- EOF ---