119 lines
4.6 KiB
Java
119 lines
4.6 KiB
Java
/*
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* Copyright (c) 2018, 2023, 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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/**
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* @test TestJmapCore
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* @summary Test verifies that jhsdb jmap could generate heap dump from core when heap is full
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* @requires vm.hasSA
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* @library /test/lib
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* @run driver/timeout=480 TestJmapCore run heap
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*/
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import java.io.File;
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import jdk.test.lib.Asserts;
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import jdk.test.lib.JDKToolFinder;
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import jdk.test.lib.JDKToolLauncher;
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import jdk.test.lib.Platform;
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import jdk.test.lib.Utils;
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import jdk.test.lib.classloader.GeneratingClassLoader;
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import jdk.test.lib.hprof.HprofParser;
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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.util.CoreUtils;
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import jtreg.SkippedException;
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public class TestJmapCore {
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public static final String HEAP_OOME = "heap";
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public static final String METASPACE_OOME = "metaspace";
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public static void main(String[] args) throws Throwable {
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if (args.length == 1) {
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try {
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if (args[0].equals(HEAP_OOME)) {
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Object[] oa = new Object[Integer.MAX_VALUE / 2];
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for(int i = 0; i < oa.length; i++) {
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oa[i] = new Object[Integer.MAX_VALUE / 2];
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}
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} else {
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GeneratingClassLoader loader = new GeneratingClassLoader();
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for (int i = 0; ; i++) {
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loader.loadClass(loader.getClassName(i));
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}
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}
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throw new Error("OOME not triggered");
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} catch (OutOfMemoryError err) {
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return;
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}
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}
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test(args[1]);
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}
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static void test(String type) throws Throwable {
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ProcessBuilder pb = ProcessTools.createTestJavaProcessBuilder("-XX:+CreateCoredumpOnCrash",
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"-Xmx512m", "-XX:MaxMetaspaceSize=64m", "-XX:+CrashOnOutOfMemoryError",
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// The test loads lots of small classes to exhaust Metaspace, skip method
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// dependency verification to improve performance in debug builds.
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Platform.isDebugBuild() ? "-XX:-VerifyDependencies" : "--show-version",
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CoreUtils.getAlwaysPretouchArg(true),
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TestJmapCore.class.getName(), type);
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// If we are going to force a core dump, apply "ulimit -c unlimited" if we can.
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pb = CoreUtils.addCoreUlimitCommand(pb);
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OutputAnalyzer output = ProcessTools.executeProcess(pb);
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String coreFileName = CoreUtils.getCoreFileLocation(output.getStdout(), output.pid());
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File core = new File(coreFileName);
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File dumpFile = new File("heap.hprof");
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JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb");
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launcher.addVMArgs(Utils.getTestJavaOpts());
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launcher.addToolArg("jmap");
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launcher.addToolArg("--binaryheap");
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launcher.addToolArg("--dumpfile=" + dumpFile);
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launcher.addToolArg("--exe");
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launcher.addToolArg(JDKToolFinder.getTestJDKTool("java"));
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launcher.addToolArg("--core");
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launcher.addToolArg(core.getPath());
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ProcessBuilder jhsdpb = new ProcessBuilder();
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jhsdpb.command(launcher.getCommand());
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Process jhsdb = jhsdpb.start();
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OutputAnalyzer out = new OutputAnalyzer(jhsdb);
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jhsdb.waitFor();
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System.out.println(out.getStdout());
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System.err.println(out.getStderr());
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if (dumpFile.exists() && dumpFile.isFile()) {
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HprofParser.parse(dumpFile);
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} else {
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throw new RuntimeException(
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"Could not find dump file " + dumpFile.getAbsolutePath());
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}
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System.out.println("PASSED");
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}
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}
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