8086134: Deadlock detection fails to attach to core file
Summary: Test reimplemented for jtreg
Reviewed-by: jbachorik
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/tools/jstack/DeadlockDetectionTest.java Thu Sep 24 20:40:12 2015 +0300
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2015, 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/share/classes
+ * @library /lib/testlibrary
+ * @modules java.management
+ * @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);
+ }
+ }
+}