| /* |
| * Copyright (c) 2015, 2016, 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.util.stream.Collectors; |
| |
| import jdk.test.lib.apps.LingeredApp; |
| import jdk.test.lib.apps.LingeredAppWithDeadlock; |
| |
| import jdk.testlibrary.Utils; |
| import jdk.testlibrary.Platform; |
| import jdk.testlibrary.JDKToolLauncher; |
| import jdk.testlibrary.OutputAnalyzer; |
| import jdk.testlibrary.ProcessTools; |
| |
| /* |
| * @test |
| * @summary Test deadlock detection |
| * @library /test/lib |
| * @library /lib/testlibrary |
| * @build jdk.testlibrary.* |
| * @build jdk.test.lib.apps.* |
| * @build DeadlockDetectionTest |
| * @run main DeadlockDetectionTest |
| */ |
| public class DeadlockDetectionTest { |
| |
| private static LingeredAppWithDeadlock theApp = null; |
| private static ProcessBuilder processBuilder = new ProcessBuilder(); |
| |
| private static OutputAnalyzer jstack(String... toolArgs) throws Exception { |
| JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jstack"); |
| launcher.addVMArg("-XX:+UsePerfData"); |
| if (toolArgs != null) { |
| for (String toolArg : toolArgs) { |
| launcher.addToolArg(toolArg); |
| } |
| } |
| |
| processBuilder.command(launcher.getCommand()); |
| System.out.println(processBuilder.command().stream().collect(Collectors.joining(" "))); |
| OutputAnalyzer output = ProcessTools.executeProcess(processBuilder); |
| System.out.println(output.getOutput()); |
| |
| return output; |
| } |
| |
| public static void main(String[] args) throws Exception { |
| System.out.println("Starting DeadlockDetectionTest"); |
| |
| if (!Platform.shouldSAAttach()) { |
| // Silently skip the test if we don't have enough permissions to attach |
| System.err.println("Error! Insufficient permissions to attach."); |
| return; |
| } |
| |
| if (!LingeredApp.isLastModifiedWorking()) { |
| // Exact behaviour of the test depends on operating system and the test nature, |
| // so just print the warning and continue |
| System.err.println("Warning! Last modified time doesn't work."); |
| } |
| |
| try { |
| List<String> vmArgs = new ArrayList<String>(); |
| vmArgs.add("-XX:+UsePerfData"); |
| vmArgs.addAll(Utils.getVmOptions()); |
| |
| theApp = new LingeredAppWithDeadlock(); |
| LingeredApp.startApp(vmArgs, theApp); |
| OutputAnalyzer output = jstack(Long.toString(theApp.getPid())); |
| System.out.println(output.getOutput()); |
| |
| if (output.getExitValue() == 3) { |
| System.out.println("Test can't run for some reason. Skipping"); |
| } |
| else { |
| output.shouldHaveExitValue(0); |
| output.shouldContain("Found 1 deadlock."); |
| } |
| |
| } finally { |
| LingeredApp.stopApp(theApp); |
| } |
| } |
| } |