1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/serviceability/sa/ClhsdbJstackXcompStress.java Mon Sep 23 20:26:18 2019 +0200
1.3 @@ -0,0 +1,107 @@
1.4 +/*
1.5 + * Copyright (c) 2019, Red Hat Inc. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +import java.util.ArrayList;
1.28 +import java.util.Arrays;
1.29 +import java.util.List;
1.30 +import java.util.regex.Matcher;
1.31 +import java.util.regex.Pattern;
1.32 +import java.util.stream.Collectors;
1.33 +
1.34 +import jdk.test.lib.JDKToolLauncher;
1.35 +import jdk.test.lib.Utils;
1.36 +import jdk.test.lib.apps.LingeredApp;
1.37 +import jdk.test.lib.process.OutputAnalyzer;
1.38 +
1.39 +/**
1.40 + * @bug 8196969
1.41 + * @requires vm.hasSAandCanAttach
1.42 + * @library /test/lib
1.43 + * @run main/othervm ClhsdbJstackXcompStress
1.44 + */
1.45 +public class ClhsdbJstackXcompStress {
1.46 +
1.47 + private static final int MAX_ITERATIONS = 20;
1.48 + private static final boolean DEBUG = false;
1.49 +
1.50 + private static boolean isMatchCompiledFrame(List<String> output) {
1.51 + List<String> filtered = output.stream().filter( s -> s.contains("Compiled frame"))
1.52 + .collect(Collectors.toList());
1.53 + System.out.println("DEBUG: " + filtered);
1.54 + return !filtered.isEmpty() &&
1.55 + filtered.stream().anyMatch( s -> s.contains("LingeredAppWithRecComputation") );
1.56 + }
1.57 +
1.58 + private static void runJstackInLoop(LingeredApp app) throws Exception {
1.59 + boolean anyMatchedCompiledFrame = false;
1.60 + for (int i = 0; i < MAX_ITERATIONS; i++) {
1.61 + JDKToolLauncher launcher = JDKToolLauncher
1.62 + .createUsingTestJDK("jhsdb");
1.63 + launcher.addToolArg("jstack");
1.64 + launcher.addToolArg("--pid");
1.65 + launcher.addToolArg(Long.toString(app.getPid()));
1.66 +
1.67 + ProcessBuilder pb = new ProcessBuilder();
1.68 + pb.command(launcher.getCommand());
1.69 + Process jhsdb = pb.start();
1.70 + OutputAnalyzer out = new OutputAnalyzer(jhsdb);
1.71 +
1.72 + jhsdb.waitFor();
1.73 +
1.74 + if (DEBUG) {
1.75 + System.out.println(out.getStdout());
1.76 + System.err.println(out.getStderr());
1.77 + }
1.78 +
1.79 + out.stderrShouldBeEmpty(); // NPE's are reported on the err stream
1.80 + out.stdoutShouldNotContain("Error occurred during stack walking:");
1.81 + out.stdoutShouldContain(LingeredAppWithRecComputation.THREAD_NAME);
1.82 + List<String> stdoutList = Arrays.asList(out.getStdout().split("\\R"));
1.83 + anyMatchedCompiledFrame = anyMatchedCompiledFrame || isMatchCompiledFrame(stdoutList);
1.84 + }
1.85 + if (!anyMatchedCompiledFrame) {
1.86 + throw new RuntimeException("Expected jstack output to contain 'Compiled frame'");
1.87 + }
1.88 + System.out.println("DEBUG: jhsdb jstack did not throw NPE, as expected.");
1.89 + }
1.90 +
1.91 + public static void main(String... args) throws Exception {
1.92 + LingeredApp app = null;
1.93 + try {
1.94 + List<String> vmArgs = List.of("-Xcomp",
1.95 + "-XX:CompileCommand=dontinline,LingeredAppWithRecComputation.factorial",
1.96 + "-XX:CompileCommand=compileonly,LingeredAppWithRecComputation.testLoop",
1.97 + "-XX:CompileCommand=compileonly,LingeredAppWithRecComputation.factorial");
1.98 + app = new LingeredAppWithRecComputation();
1.99 + LingeredApp.startApp(vmArgs, app);
1.100 + System.out.println("Started LingeredAppWithRecComputation with pid " + app.getPid());
1.101 + runJstackInLoop(app);
1.102 + System.out.println("Test Completed");
1.103 + } catch (Throwable e) {
1.104 + e.printStackTrace();
1.105 + throw e;
1.106 + } finally {
1.107 + LingeredApp.stopApp(app);
1.108 + }
1.109 + }
1.110 +}
