1 /* 2 * Copyright (c) 2017, 2020, 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 Tests that we pass at least one jcstress-like test with all verification turned on 28 * @requires vm.gc.Shenandoah 29 * @modules java.base/jdk.internal.misc 30 * java.management 31 * 32 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions 33 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive 34 * -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify 35 * TestVerifyJCStress 36 * 37 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions 38 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive 39 * -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify 40 * TestVerifyJCStress 41 */ 42 43 /* 44 * @test id=default-debug 45 * @summary Tests that we pass at least one jcstress-like test with all verification turned on 46 * @requires vm.gc.Shenandoah 47 * @requires vm.debug 48 * @modules java.base/jdk.internal.misc 49 * java.management 50 * 51 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions 52 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive 53 * -XX:+ShenandoahVerify -XX:+ShenandoahVerifyOptoBarriers 54 * TestVerifyJCStress 55 * 56 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions 57 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact 58 * -XX:+ShenandoahVerify -XX:+ShenandoahVerifyOptoBarriers 59 * TestVerifyJCStress 60 */ 61 62 /* 63 * @test id=default 64 * @summary Tests that we pass at least one jcstress-like test with all verification turned on 65 * @requires vm.gc.Shenandoah 66 * @requires !vm.debug 67 * @modules java.base/jdk.internal.misc 68 * java.management 69 * 70 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions 71 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive 72 * -XX:+ShenandoahVerify 73 * TestVerifyJCStress 74 * 75 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions 76 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact 77 * -XX:+ShenandoahVerify 78 * TestVerifyJCStress 79 */ 80 81 /* 82 * @test id=iu-debug 83 * @summary Tests that we pass at least one jcstress-like test with all verification turned on 84 * @requires vm.gc.Shenandoah 85 * @requires vm.debug 86 * @modules java.base/jdk.internal.misc 87 * java.management 88 * 89 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions 90 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu 91 * -XX:+ShenandoahVerify -XX:+ShenandoahVerifyOptoBarriers 92 * TestVerifyJCStress 93 */ 94 95 /* 96 * @test id=iu 97 * @summary Tests that we pass at least one jcstress-like test with all verification turned on 98 * @requires vm.gc.Shenandoah 99 * @requires !vm.debug 100 * @modules java.base/jdk.internal.misc 101 * java.management 102 * 103 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions 104 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu 105 * -XX:+ShenandoahVerify 106 * TestVerifyJCStress 107 */ 108 109 /* 110 * @test id=iu-c1 111 * @summary Tests that we pass at least one jcstress-like test with all verification turned on 112 * @requires vm.gc.Shenandoah 113 * @modules java.base/jdk.internal.misc 114 * java.management 115 * 116 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions 117 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu 118 * -XX:+ShenandoahVerify -XX:TieredStopAtLevel=1 119 * TestVerifyJCStress 120 */ 121 122 123 import java.util.*; 124 import java.util.concurrent.*; 125 import java.util.concurrent.locks.*; 126 127 public class TestVerifyJCStress { 128 129 public static void main(String[] args) throws Exception { 130 ExecutorService service = Executors.newFixedThreadPool( 131 2, 132 r -> { 133 Thread t = new Thread(r); 134 t.setDaemon(true); 135 return t; 136 } 137 ); 138 139 for (int c = 0; c < 10000; c++) { 140 final Test[] tests = new Test[10000]; 141 for (int t = 0; t < tests.length; t++) { 142 tests[t] = new Test(); 143 } 144 145 Future<?> f1 = service.submit(() -> { 146 IntResult2 r = new IntResult2(); 147 for (Test test : tests) { 148 test.RL_Us(r); 149 } 150 }); 151 Future<?> f2 = service.submit(() -> { 152 for (Test test : tests) { 153 test.WLI_Us(); 154 } 155 }); 156 157 f1.get(); 158 f2.get(); 159 } 160 } 161 162 public static class IntResult2 { 163 int r1, r2; 164 } 165 166 public static class Test { 167 final StampedLock lock = new StampedLock(); 168 169 int x, y; 170 171 public void RL_Us(IntResult2 r) { 172 StampedLock lock = this.lock; 173 long stamp = lock.readLock(); 174 r.r1 = x; 175 r.r2 = y; 176 lock.unlock(stamp); 177 } 178 179 public void WLI_Us() { 180 try { 181 StampedLock lock = this.lock; 182 long stamp = lock.writeLockInterruptibly(); 183 x = 1; 184 y = 2; 185 lock.unlock(stamp); 186 } catch (InterruptedException e) { 187 throw new RuntimeException(e); 188 } 189 } 190 } 191 192 }