| /* |
| * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.io.File; |
| import java.nio.file.Files; |
| import java.io.IOException; |
| import java.io.BufferedInputStream; |
| import java.util.stream.Collectors; |
| import java.io.FileInputStream; |
| |
| import sun.jvm.hotspot.HotSpotAgent; |
| import sun.jvm.hotspot.debugger.*; |
| |
| import jdk.test.lib.apps.LingeredApp; |
| import jdk.test.lib.JDKToolLauncher; |
| import jdk.test.lib.JDKToolFinder; |
| import jdk.test.lib.Platform; |
| import jdk.test.lib.process.ProcessTools; |
| import jdk.test.lib.process.OutputAnalyzer; |
| import jdk.test.lib.Utils; |
| import jdk.test.lib.Asserts; |
| |
| /** |
| * @test |
| * @library /test/lib |
| * @bug 8171084 |
| * @requires vm.hasSAandCanAttach & (vm.bits == "64" & os.maxMemory > 8g) |
| * @requires vm.gc != "Shenandoah" |
| * @modules java.base/jdk.internal.misc |
| * jdk.hotspot.agent/sun.jvm.hotspot |
| * jdk.hotspot.agent/sun.jvm.hotspot.utilities |
| * jdk.hotspot.agent/sun.jvm.hotspot.oops |
| * jdk.hotspot.agent/sun.jvm.hotspot.debugger |
| * @run main/timeout=1800/othervm -Xmx8g TestHeapDumpForLargeArray |
| */ |
| |
| public class TestHeapDumpForLargeArray { |
| |
| private static LingeredAppWithLargeArray theApp = null; |
| |
| private static void attachAndDump(String heapDumpFileName, |
| long lingeredAppPid) throws Exception { |
| |
| JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb"); |
| launcher.addToolArg("jmap"); |
| launcher.addToolArg("--binaryheap"); |
| launcher.addToolArg("--dumpfile"); |
| launcher.addToolArg(heapDumpFileName); |
| launcher.addToolArg("--pid"); |
| launcher.addToolArg(Long.toString(lingeredAppPid)); |
| |
| ProcessBuilder processBuilder = new ProcessBuilder(); |
| processBuilder.command(launcher.getCommand()); |
| System.out.println( |
| processBuilder.command().stream().collect(Collectors.joining(" "))); |
| |
| OutputAnalyzer SAOutput = ProcessTools.executeProcess(processBuilder); |
| SAOutput.shouldHaveExitValue(0); |
| SAOutput.shouldNotContain("Heap segment size overflow"); |
| SAOutput.shouldContain("truncating to"); |
| SAOutput.shouldContain("heap written to"); |
| SAOutput.shouldContain(heapDumpFileName); |
| System.out.println(SAOutput.getOutput()); |
| |
| } |
| |
| public static void main (String... args) throws Exception { |
| |
| String heapDumpFileName = "LargeArrayHeapDump.bin"; |
| |
| File heapDumpFile = new File(heapDumpFileName); |
| if (heapDumpFile.exists()) { |
| heapDumpFile.delete(); |
| } |
| |
| try { |
| // Need to add the default arguments first to have explicit |
| // -Xmx8g last, otherwise test will fail if default |
| // arguments contain a smaller -Xmx. |
| List<String> vmArgs = new ArrayList<String>(); |
| vmArgs.addAll(Utils.getVmOptions()); |
| vmArgs.add("-XX:+UsePerfData"); |
| vmArgs.add("-Xmx8g"); |
| |
| theApp = new LingeredAppWithLargeArray(); |
| LingeredApp.startApp(vmArgs, theApp); |
| attachAndDump(heapDumpFileName, theApp.getPid()); |
| } finally { |
| LingeredApp.stopApp(theApp); |
| heapDumpFile.delete(); |
| } |
| } |
| } |