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 package gc.epsilon; 25 26 /** 27 * @test TestDieWithHeapDump 28 * @requires vm.gc.Epsilon & !vm.graal.enabled 29 * @summary Epsilon GC should die on heap exhaustion with error handler attached 30 * @library /test/lib 31 * @run driver gc.epsilon.TestDieWithHeapDump 32 */ 33 34 import java.io.*; 35 import jdk.test.lib.process.OutputAnalyzer; 36 import jdk.test.lib.process.ProcessTools; 37 38 public class TestDieWithHeapDump { 39 40 public static void passWith(String... args) throws Exception { 41 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args); 42 OutputAnalyzer out = new OutputAnalyzer(pb.start()); 43 out.shouldNotContain("OutOfMemoryError"); 44 out.shouldHaveExitValue(0); 45 } 46 47 public static void failWith(String... args) throws Exception { 48 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args); 49 Process p = pb.start(); 50 OutputAnalyzer out = new OutputAnalyzer(p); 51 out.shouldContain("OutOfMemoryError"); 52 if (out.getExitValue() == 0) { 53 throw new IllegalStateException("Should have failed with non-zero exit code"); 54 } 55 String heapDump = "java_pid" + p.pid() + ".hprof"; 56 if (!new File(heapDump).exists()) { 57 throw new IllegalStateException("Should have produced the heap dump at: " + heapDump); 58 } 59 } 60 61 public static void main(String[] args) throws Exception { 62 passWith("-Xmx128m", 63 "-XX:+UnlockExperimentalVMOptions", 64 "-XX:+UseEpsilonGC", 65 "-Dcount=1", 66 "-XX:+HeapDumpOnOutOfMemoryError", 67 TestDieWithHeapDump.Workload.class.getName()); 68 69 failWith("-Xmx128m", 70 "-XX:+UnlockExperimentalVMOptions", 71 "-XX:+UseEpsilonGC", 72 "-XX:+HeapDumpOnOutOfMemoryError", 73 TestDieWithHeapDump.Workload.class.getName()); 74 75 failWith("-Xmx128m", 76 "-Xint", 77 "-XX:+UnlockExperimentalVMOptions", 78 "-XX:+UseEpsilonGC", 79 "-XX:+HeapDumpOnOutOfMemoryError", 80 TestDieWithHeapDump.Workload.class.getName()); 81 82 failWith("-Xmx128m", 83 "-Xbatch", 84 "-Xcomp", 85 "-XX:+UnlockExperimentalVMOptions", 86 "-XX:+UseEpsilonGC", 87 "-XX:+HeapDumpOnOutOfMemoryError", 88 TestDieWithHeapDump.Workload.class.getName()); 89 90 failWith("-Xmx128m", 91 "-Xbatch", 92 "-Xcomp", 93 "-XX:TieredStopAtLevel=1", 94 "-XX:+UnlockExperimentalVMOptions", 95 "-XX:+UseEpsilonGC", 96 "-XX:+HeapDumpOnOutOfMemoryError", 97 TestDieWithHeapDump.Workload.class.getName()); 98 99 failWith("-Xmx128m", 100 "-Xbatch", 101 "-Xcomp", 102 "-XX:-TieredCompilation", 103 "-XX:+UnlockExperimentalVMOptions", 104 "-XX:+UseEpsilonGC", 105 "-XX:+HeapDumpOnOutOfMemoryError", 106 TestDieWithHeapDump.Workload.class.getName()); 107 } 108 109 public static class Workload { 110 static int COUNT = Integer.getInteger("count", 1_000_000_000); // ~24 GB allocation 111 112 static volatile Object sink; 113 114 public static void main(String... args) { 115 for (int c = 0; c < COUNT; c++) { 116 sink = new Object(); 117 } 118 } 119 } 120 121 }