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 * @test TestDieWithHeapDump 26 * @summary Epsilon GC should die on heap exhaustion with error handler attached 27 * @library /test/lib 28 * @run main TestDieWithHeapDump 29 */ 30 31 import java.io.*; 32 import jdk.test.lib.process.OutputAnalyzer; 33 import jdk.test.lib.process.ProcessTools; 34 35 public class TestDieWithHeapDump extends AbstractEpsilonTest { 36 37 public static void passWith(String... args) throws Exception { 38 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args); 39 OutputAnalyzer out = new OutputAnalyzer(pb.start()); 40 out.shouldNotContain("OutOfMemoryError"); 41 out.shouldHaveExitValue(0); 42 } 43 44 public static void failWith(String... args) throws Exception { 45 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args); 46 Process p = pb.start(); 47 OutputAnalyzer out = new OutputAnalyzer(p); 48 out.shouldContain("OutOfMemoryError"); 49 if (out.getExitValue() == 0) { 50 throw new IllegalStateException("Should have failed with non-zero exit code"); 51 } 52 String heapDump = "java_pid" + p.pid() + ".hprof"; 53 if (!new File(heapDump).exists()) { 54 throw new IllegalStateException("Should have produced the heap dump at: " + heapDump); 55 } 56 } 57 58 public static void main(String[] args) throws Exception { 59 if (!isEpsilonEnabled()) return; 60 61 passWith("-Xmx128m", 62 "-XX:+UnlockExperimentalVMOptions", 63 "-XX:+UseEpsilonGC", 64 "-Dcount=1", 65 "-XX:+HeapDumpOnOutOfMemoryError", 66 TestDieWithHeapDump.Workload.class.getName()); 67 68 failWith("-Xmx128m", 69 "-XX:+UnlockExperimentalVMOptions", 70 "-XX:+UseEpsilonGC", 71 "-XX:+HeapDumpOnOutOfMemoryError", 72 TestDieWithHeapDump.Workload.class.getName()); 73 74 failWith("-Xmx128m", 75 "-Xint", 76 "-XX:+UnlockExperimentalVMOptions", 77 "-XX:+UseEpsilonGC", 78 "-XX:+HeapDumpOnOutOfMemoryError", 79 TestDieWithHeapDump.Workload.class.getName()); 80 81 failWith("-Xmx128m", 82 "-Xbatch", 83 "-Xcomp", 84 "-XX:+UnlockExperimentalVMOptions", 85 "-XX:+UseEpsilonGC", 86 "-XX:+HeapDumpOnOutOfMemoryError", 87 TestDieWithHeapDump.Workload.class.getName()); 88 89 failWith("-Xmx128m", 90 "-Xbatch", 91 "-Xcomp", 92 "-XX:TieredStopAtLevel=1", 93 "-XX:+UnlockExperimentalVMOptions", 94 "-XX:+UseEpsilonGC", 95 "-XX:+HeapDumpOnOutOfMemoryError", 96 TestDieWithHeapDump.Workload.class.getName()); 97 98 failWith("-Xmx128m", 99 "-Xbatch", 100 "-Xcomp", 101 "-XX:TieredStopAtLevel=4", 102 "-XX:+UnlockExperimentalVMOptions", 103 "-XX:+UseEpsilonGC", 104 "-XX:+HeapDumpOnOutOfMemoryError", 105 TestDieWithHeapDump.Workload.class.getName()); 106 } 107 108 public static class Workload { 109 static int COUNT = Integer.getInteger("count", 1_000_000_000); // ~24 GB allocation 110 111 static volatile Object sink; 112 113 public static void main(String... args) { 114 for (int c = 0; c < COUNT; c++) { 115 sink = new Object(); 116 } 117 } 118 } 119 120 }