1 /* 2 * Copyright (c) 2017, 2018, Oracle and/or its affiliates. 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 import java.util.ArrayList; 25 import java.util.List; 26 import java.io.File; 27 import java.nio.file.Files; 28 import java.io.IOException; 29 import java.io.BufferedInputStream; 30 import java.util.stream.Collectors; 31 import java.io.FileInputStream; 32 33 import sun.jvm.hotspot.HotSpotAgent; 34 import sun.jvm.hotspot.debugger.*; 35 36 import jdk.test.lib.apps.LingeredApp; 37 import jdk.test.lib.JDKToolLauncher; 38 import jdk.test.lib.JDKToolFinder; 39 import jdk.test.lib.Platform; 40 import jdk.test.lib.process.ProcessTools; 41 import jdk.test.lib.process.OutputAnalyzer; 42 import jdk.test.lib.Utils; 43 import jdk.test.lib.Asserts; 44 45 /** 46 * @test 47 * @library /test/lib 48 * @bug 8171084 49 * @requires vm.hasSAandCanAttach & (vm.bits == "64" & os.maxMemory > 8g) 50 * @requires vm.gc != "Shenandoah" 51 * @requires vm.gc != "Z" 52 * @modules java.base/jdk.internal.misc 53 * jdk.hotspot.agent/sun.jvm.hotspot 54 * jdk.hotspot.agent/sun.jvm.hotspot.utilities 55 * jdk.hotspot.agent/sun.jvm.hotspot.oops 56 * jdk.hotspot.agent/sun.jvm.hotspot.debugger 57 * @run main/timeout=1800/othervm -Xmx8g TestHeapDumpForLargeArray 58 */ 59 60 public class TestHeapDumpForLargeArray { 61 62 private static LingeredAppWithLargeArray theApp = null; 63 64 private static void attachAndDump(String heapDumpFileName, 65 long lingeredAppPid) throws Exception { 66 67 JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb"); 68 launcher.addToolArg("jmap"); 69 launcher.addToolArg("--binaryheap"); 70 launcher.addToolArg("--dumpfile"); 71 launcher.addToolArg(heapDumpFileName); 72 launcher.addToolArg("--pid"); 73 launcher.addToolArg(Long.toString(lingeredAppPid)); 74 75 ProcessBuilder processBuilder = new ProcessBuilder(); 76 processBuilder.command(launcher.getCommand()); 77 System.out.println( 78 processBuilder.command().stream().collect(Collectors.joining(" "))); 79 80 OutputAnalyzer SAOutput = ProcessTools.executeProcess(processBuilder); 81 SAOutput.shouldHaveExitValue(0); 82 SAOutput.shouldNotContain("Heap segment size overflow"); 83 SAOutput.shouldContain("truncating to"); 84 SAOutput.shouldContain("heap written to"); 85 SAOutput.shouldContain(heapDumpFileName); 86 System.out.println(SAOutput.getOutput()); 87 88 } 89 90 public static void main (String... args) throws Exception { 91 92 String heapDumpFileName = "LargeArrayHeapDump.bin"; 93 94 File heapDumpFile = new File(heapDumpFileName); 95 if (heapDumpFile.exists()) { 96 heapDumpFile.delete(); 97 } 98 99 try { 100 List<String> vmArgs = new ArrayList<String>(); 101 vmArgs.add("-XX:+UsePerfData"); 102 vmArgs.add("-Xmx8g"); 103 vmArgs.addAll(Utils.getVmOptions()); 104 105 theApp = new LingeredAppWithLargeArray(); 106 LingeredApp.startApp(vmArgs, theApp); 107 attachAndDump(heapDumpFileName, theApp.getPid()); 108 } finally { 109 LingeredApp.stopApp(theApp); 110 heapDumpFile.delete(); 111 } 112 } 113 }