test/serviceability/sa/ClhsdbJstackXcompStress.java

changeset 9919
e8a0af9fc1cb
equal deleted inserted replaced
9918:1848821ee85d 9919:e8a0af9fc1cb
1 /*
2 * Copyright (c) 2019, Red Hat Inc. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import java.util.ArrayList;
25 import java.util.Arrays;
26 import java.util.List;
27 import java.util.regex.Matcher;
28 import java.util.regex.Pattern;
29 import java.util.stream.Collectors;
30
31 import jdk.test.lib.JDKToolLauncher;
32 import jdk.test.lib.Utils;
33 import jdk.test.lib.apps.LingeredApp;
34 import jdk.test.lib.process.OutputAnalyzer;
35
36 /**
37 * @bug 8196969
38 * @requires vm.hasSAandCanAttach
39 * @library /test/lib
40 * @run main/othervm ClhsdbJstackXcompStress
41 */
42 public class ClhsdbJstackXcompStress {
43
44 private static final int MAX_ITERATIONS = 20;
45 private static final boolean DEBUG = false;
46
47 private static boolean isMatchCompiledFrame(List<String> output) {
48 List<String> filtered = output.stream().filter( s -> s.contains("Compiled frame"))
49 .collect(Collectors.toList());
50 System.out.println("DEBUG: " + filtered);
51 return !filtered.isEmpty() &&
52 filtered.stream().anyMatch( s -> s.contains("LingeredAppWithRecComputation") );
53 }
54
55 private static void runJstackInLoop(LingeredApp app) throws Exception {
56 boolean anyMatchedCompiledFrame = false;
57 for (int i = 0; i < MAX_ITERATIONS; i++) {
58 JDKToolLauncher launcher = JDKToolLauncher
59 .createUsingTestJDK("jhsdb");
60 launcher.addToolArg("jstack");
61 launcher.addToolArg("--pid");
62 launcher.addToolArg(Long.toString(app.getPid()));
63
64 ProcessBuilder pb = new ProcessBuilder();
65 pb.command(launcher.getCommand());
66 Process jhsdb = pb.start();
67 OutputAnalyzer out = new OutputAnalyzer(jhsdb);
68
69 jhsdb.waitFor();
70
71 if (DEBUG) {
72 System.out.println(out.getStdout());
73 System.err.println(out.getStderr());
74 }
75
76 out.stderrShouldBeEmpty(); // NPE's are reported on the err stream
77 out.stdoutShouldNotContain("Error occurred during stack walking:");
78 out.stdoutShouldContain(LingeredAppWithRecComputation.THREAD_NAME);
79 List<String> stdoutList = Arrays.asList(out.getStdout().split("\\R"));
80 anyMatchedCompiledFrame = anyMatchedCompiledFrame || isMatchCompiledFrame(stdoutList);
81 }
82 if (!anyMatchedCompiledFrame) {
83 throw new RuntimeException("Expected jstack output to contain 'Compiled frame'");
84 }
85 System.out.println("DEBUG: jhsdb jstack did not throw NPE, as expected.");
86 }
87
88 public static void main(String... args) throws Exception {
89 LingeredApp app = null;
90 try {
91 List<String> vmArgs = List.of("-Xcomp",
92 "-XX:CompileCommand=dontinline,LingeredAppWithRecComputation.factorial",
93 "-XX:CompileCommand=compileonly,LingeredAppWithRecComputation.testLoop",
94 "-XX:CompileCommand=compileonly,LingeredAppWithRecComputation.factorial");
95 app = new LingeredAppWithRecComputation();
96 LingeredApp.startApp(vmArgs, app);
97 System.out.println("Started LingeredAppWithRecComputation with pid " + app.getPid());
98 runJstackInLoop(app);
99 System.out.println("Test Completed");
100 } catch (Throwable e) {
101 e.printStackTrace();
102 throw e;
103 } finally {
104 LingeredApp.stopApp(app);
105 }
106 }
107 }

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