/* * Copyright (c) 2016, 2023, 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.io.File; import java.util.stream.Collectors; import jdk.test.lib.apps.LingeredApp; import jdk.test.lib.Asserts; import jdk.test.lib.JDKToolLauncher; import jdk.test.lib.process.ProcessTools; import jdk.test.lib.process.OutputAnalyzer; import jdk.test.lib.SA.SATestUtils; import jdk.test.lib.Utils; import jdk.test.lib.hprof.HprofParser; /** * @test * @library /test/lib * @requires vm.hasSA * @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 driver TestHeapDumpForInvokeDynamic */ public class TestHeapDumpForInvokeDynamic { private static LingeredAppWithInvokeDynamic theApp = null; private static void attachDumpAndVerify(String heapDumpFileName, long lingeredAppPid) throws Exception { JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb"); launcher.addVMArgs(Utils.getTestJavaOpts()); launcher.addToolArg("jmap"); launcher.addToolArg("--binaryheap"); launcher.addToolArg("--dumpfile"); launcher.addToolArg(heapDumpFileName); launcher.addToolArg("--pid"); launcher.addToolArg(Long.toString(lingeredAppPid)); ProcessBuilder processBuilder = SATestUtils.createProcessBuilder(launcher); System.out.println( processBuilder.command().stream().collect(Collectors.joining(" "))); OutputAnalyzer SAOutput = ProcessTools.executeProcess(processBuilder); SAOutput.shouldHaveExitValue(0); SAOutput.shouldContain("heap written to"); SAOutput.shouldContain(heapDumpFileName); System.out.println(SAOutput.getOutput()); HprofParser.parseAndVerify(new File(heapDumpFileName)); } public static void main (String... args) throws Exception { SATestUtils.skipIfCannotAttach(); // throws SkippedException if attach not expected to work. String heapDumpFileName = "lambdaHeapDump.bin"; File heapDumpFile = new File(heapDumpFileName); if (heapDumpFile.exists()) { heapDumpFile.delete(); } try { theApp = new LingeredAppWithInvokeDynamic(); LingeredApp.startApp(theApp, "-XX:+UsePerfData", "-Xmx512m"); attachDumpAndVerify(heapDumpFileName, theApp.getPid()); } finally { LingeredApp.stopApp(theApp); } } }