jdk8-mips64-public/hotspot: test/serviceability/sa/ClhsdbJstackXcompStress.java@e8a0af9fc1cb (annotated)

test/serviceability/sa/ClhsdbJstackXcompStress.java@e8a0af9fc1cb (annotated)

test/serviceability/sa/ClhsdbJstackXcompStress.java

Mon, 23 Sep 2019 20:26:18 +0200

author: sgehwolf
date: Mon, 23 Sep 2019 20:26:18 +0200
changeset 9919: e8a0af9fc1cb
permissions: -rw-r--r--

8196969: JTreg Failure: serviceability/sa/ClhsdbJstack.java causes NPE
Summary: Account for serialized null scopes in NMethod
Reviewed-by: aph, never, andrew

 /*
  * Copyright (c) 2019, Red Hat Inc. 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.Arrays;
 import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 import jdk.test.lib.JDKToolLauncher;
 import jdk.test.lib.Utils;
 import jdk.test.lib.apps.LingeredApp;
 import jdk.test.lib.process.OutputAnalyzer;
 /**
  * @bug 8196969
  * @requires vm.hasSAandCanAttach
  * @library /test/lib
  * @run main/othervm ClhsdbJstackXcompStress
  */
 public class ClhsdbJstackXcompStress {
     private static final int MAX_ITERATIONS = 20;
     private static final boolean DEBUG = false;
     private static boolean isMatchCompiledFrame(List<String> output) {
         List<String> filtered = output.stream().filter( s -> s.contains("Compiled frame"))
                                                .collect(Collectors.toList());
         System.out.println("DEBUG: " + filtered);
         return !filtered.isEmpty() &&
                filtered.stream().anyMatch( s -> s.contains("LingeredAppWithRecComputation") );
     }
     private static void runJstackInLoop(LingeredApp app) throws Exception {
         boolean anyMatchedCompiledFrame = false;
         for (int i = 0; i < MAX_ITERATIONS; i++) {
             JDKToolLauncher launcher = JDKToolLauncher
                     .createUsingTestJDK("jhsdb");
             launcher.addToolArg("jstack");
             launcher.addToolArg("--pid");
             launcher.addToolArg(Long.toString(app.getPid()));
             ProcessBuilder pb = new ProcessBuilder();
             pb.command(launcher.getCommand());
             Process jhsdb = pb.start();
             OutputAnalyzer out = new OutputAnalyzer(jhsdb);
             jhsdb.waitFor();
             if (DEBUG) {
                 System.out.println(out.getStdout());
                 System.err.println(out.getStderr());
             }
             out.stderrShouldBeEmpty(); // NPE's are reported on the err stream
             out.stdoutShouldNotContain("Error occurred during stack walking:");
             out.stdoutShouldContain(LingeredAppWithRecComputation.THREAD_NAME);
             List<String> stdoutList = Arrays.asList(out.getStdout().split("\\R"));
             anyMatchedCompiledFrame = anyMatchedCompiledFrame || isMatchCompiledFrame(stdoutList);
         }
         if (!anyMatchedCompiledFrame) {
              throw new RuntimeException("Expected jstack output to contain 'Compiled frame'");
         }
         System.out.println("DEBUG: jhsdb jstack did not throw NPE, as expected.");
     }
     public static void main(String... args) throws Exception {
         LingeredApp app = null;
         try {
             List<String> vmArgs = List.of("-Xcomp",
                                           "-XX:CompileCommand=dontinline,LingeredAppWithRecComputation.factorial",
                                           "-XX:CompileCommand=compileonly,LingeredAppWithRecComputation.testLoop",
                                           "-XX:CompileCommand=compileonly,LingeredAppWithRecComputation.factorial");
             app = new LingeredAppWithRecComputation();
             LingeredApp.startApp(vmArgs, app);
             System.out.println("Started LingeredAppWithRecComputation with pid " + app.getPid());
             runJstackInLoop(app);
             System.out.println("Test Completed");
         } catch (Throwable e) {
             e.printStackTrace();
             throw e;
         } finally {
             LingeredApp.stopApp(app);
         }
     }
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

test/serviceability/sa/ClhsdbJstackXcompStress.java@e8a0af9fc1cb (annotated)

test/serviceability/sa/ClhsdbJstackXcompStress.java