89 lines
3.3 KiB
Java
89 lines
3.3 KiB
Java
/*
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* Copyright (c) 2024, 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 jdk.test.lib.JDKToolLauncher;
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import jdk.test.lib.SA.SATestUtils;
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import jdk.test.lib.apps.LingeredApp;
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import jdk.test.lib.process.OutputAnalyzer;
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import jtreg.SkippedException;
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/**
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* @test
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* @summary Test verifies that jstack --mixed prints information about VM locks
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* @requires vm.hasSA
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* @library /test/lib
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run driver TestJhsdbJstackPrintVMLocks
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*/
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public class TestJhsdbJstackPrintVMLocks {
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final static int MAX_ATTEMPTS = 5;
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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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LingeredApp theApp = null;
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try {
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theApp = new LingeredAppWithLockInVM();
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LingeredApp.startApp(theApp,
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:+WhiteBoxAPI",
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"-Xbootclasspath/a:.");
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System.out.println("Started LingeredApp with pid " + theApp.getPid());
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theApp.waitAppReadyOrCrashed();
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for (int attempt = 0; attempt < MAX_ATTEMPTS; attempt++) {
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JDKToolLauncher launcher = JDKToolLauncher
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.createUsingTestJDK("jhsdb");
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launcher.addToolArg("jstack");
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launcher.addToolArg("--mixed");
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launcher.addToolArg("--pid");
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launcher.addToolArg(Long.toString(theApp.getPid()));
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ProcessBuilder pb = SATestUtils.createProcessBuilder(launcher);
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Process jhsdb = pb.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 (out.contains("Mutex VMStatistic_lock is owned by LockerThread")) {
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System.out.println("Test PASSED");
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return;
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}
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Thread.sleep(attempt * 2000);
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}
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throw new RuntimeException("Not able to find lock");
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} finally {
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if (theApp.getProcess() != null) {
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theApp.deleteLock();
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theApp.getProcess().destroyForcibly();
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}
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}
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}
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}
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