1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
* Copyright (c) 2015, 2018, 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.test.lib.Platform;
import jdk.testlibrary.Utils;
import jdk.testlibrary.JDKToolLauncher;
import jdk.testlibrary.OutputAnalyzer;
import jdk.testlibrary.ProcessTools;
/**
* @test
* @summary Test deadlock detection
* @requires vm.hasSAandCanAttach
* @library /test/lib
* @library /lib/testlibrary
* @build jdk.testlibrary.*
* @build jdk.test.lib.apps.* jdk.test.lib.Platform
* @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 (!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);
}
}
}
|
