136 lines
5.0 KiB
Java
136 lines
5.0 KiB
Java
/*
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* Copyright (c) 2016, 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.util.ArrayList;
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import java.util.List;
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import java.io.File;
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import java.nio.file.Files;
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import java.io.IOException;
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import java.io.BufferedInputStream;
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import java.util.stream.Collectors;
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import java.io.FileInputStream;
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import sun.jvm.hotspot.HotSpotAgent;
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import sun.jvm.hotspot.debugger.*;
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import jdk.test.lib.apps.LingeredApp;
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import jdk.test.lib.Asserts;
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import jdk.test.lib.JDKToolLauncher;
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import jdk.test.lib.JDKToolFinder;
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import jdk.test.lib.Platform;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.SA.SATestUtils;
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import jdk.test.lib.Utils;
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import jdk.test.lib.hprof.HprofParser;
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import jdk.test.lib.hprof.parser.HprofReader;
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import jdk.test.lib.hprof.parser.PositionDataInputStream;
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import jdk.test.lib.hprof.model.Snapshot;
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/**
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* @test
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* @library /test/lib
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* @requires vm.hasSA
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* @modules java.base/jdk.internal.misc
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* jdk.hotspot.agent/sun.jvm.hotspot
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* jdk.hotspot.agent/sun.jvm.hotspot.utilities
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* jdk.hotspot.agent/sun.jvm.hotspot.oops
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* jdk.hotspot.agent/sun.jvm.hotspot.debugger
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* @run main/othervm TestHeapDumpForInvokeDynamic
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*/
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public class TestHeapDumpForInvokeDynamic {
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private static LingeredAppWithInvokeDynamic theApp = null;
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private static void verifyHeapDump(String heapFile) {
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File heapDumpFile = new File(heapFile);
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Asserts.assertTrue(heapDumpFile.exists() && heapDumpFile.isFile(),
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"Could not create dump file " + heapDumpFile.getAbsolutePath());
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try (PositionDataInputStream in = new PositionDataInputStream(
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new BufferedInputStream(new FileInputStream(heapFile)))) {
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int i = in.readInt();
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if (HprofReader.verifyMagicNumber(i)) {
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Snapshot sshot;
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HprofReader r = new HprofReader(heapFile, in, 0,
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false, 0);
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sshot = r.read();
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} else {
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throw new IOException("Unrecognized magic number: " + i);
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}
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} catch (Exception e) {
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e.printStackTrace();
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Asserts.fail("Could not read dump file " + heapFile);
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} finally {
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heapDumpFile.delete();
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}
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}
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private static void attachDumpAndVerify(String heapDumpFileName,
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long lingeredAppPid) throws Exception {
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JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb");
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launcher.addToolArg("jmap");
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launcher.addToolArg("--binaryheap");
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launcher.addToolArg("--dumpfile");
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launcher.addToolArg(heapDumpFileName);
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launcher.addToolArg("--pid");
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launcher.addToolArg(Long.toString(lingeredAppPid));
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ProcessBuilder processBuilder = SATestUtils.createProcessBuilder(launcher);
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System.out.println(
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processBuilder.command().stream().collect(Collectors.joining(" ")));
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OutputAnalyzer SAOutput = ProcessTools.executeProcess(processBuilder);
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SAOutput.shouldHaveExitValue(0);
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SAOutput.shouldContain("heap written to");
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SAOutput.shouldContain(heapDumpFileName);
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System.out.println(SAOutput.getOutput());
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verifyHeapDump(heapDumpFileName);
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}
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public static void main (String... args) throws Exception {
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SATestUtils.skipIfCannotAttach(); // throws SkippedException if attach not expected to work.
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String heapDumpFileName = "lambdaHeapDump.bin";
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File heapDumpFile = new File(heapDumpFileName);
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if (heapDumpFile.exists()) {
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heapDumpFile.delete();
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}
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try {
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String[] vmArgs = Utils.appendTestJavaOpts(
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"-XX:+UsePerfData",
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"-Xmx512m");
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theApp = new LingeredAppWithInvokeDynamic();
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LingeredApp.startApp(theApp, vmArgs);
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attachDumpAndVerify(heapDumpFileName, theApp.getPid());
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} finally {
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LingeredApp.stopApp(theApp);
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}
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}
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}
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