1 /*
2 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.jfr.jcmd;
27
28 import java.io.File;
29
30 import jdk.jfr.consumer.RecordedEvent;
31 import jdk.jfr.consumer.RecordedThread;
32 import jdk.jfr.consumer.RecordingFile;
33 import jdk.test.lib.Asserts;
34 import jdk.test.lib.jfr.EventNames;
35 import jdk.test.lib.jfr.Events;
36 import jdk.test.lib.process.OutputAnalyzer;
37
38 /*
39 * @test
40 * @summary The test verifies that recording can be started with setting file(s)
41 * @key jfr
42 * @library /test/lib /test/jdk
43 * @run main/othervm jdk.jfr.jcmd.TestJcmdStartWithSettings
44 */
45 public class TestJcmdStartWithSettings {
46
47 private static final String DIR = System.getProperty("test.src", ".");
48 private static final File SETTINGS = new File(DIR, "jcmd-testsettings.jfc");
49 private static final File SETTINGS2 = new File(DIR, "jcmd-testsettings.2.jfc");
50
51 public static void main(String[] args) throws Exception {
52 testSingleSettingFile();
53 testManySettingFiles();
54 testPresetSettings();
55 testNonExistingSettingFile();
56 }
57
58 private static void testSingleSettingFile() throws Exception {
59 String name = "testSingleSettingFile";
60 File recording = new File(name + ".jfr");
61
62 OutputAnalyzer output = JcmdHelper.jcmd("JFR.start",
63 "name=" + name,
64 "duration=1h",
65 "settings=" + SETTINGS.getCanonicalPath(),
66 "filename=" + recording.getCanonicalPath());
67 JcmdAsserts.assertRecordingHasStarted(output);
68 JcmdHelper.waitUntilRunning(name);
69 output = JcmdHelper.jcmdCheck(name, true);
70 JcmdAsserts.assertThreadSleepThresholdIsSet(output);
71
72 Thread.sleep(100);
73 JcmdHelper.stopAndCheck(name);
74 assertHasEvent(recording, EventNames.ThreadSleep, Thread.currentThread().getName());
75 }
76
77 /**
78 * Start a recording with two setting files and
79 * verify Java Thread Sleep and Java Monitor Wait events have been recorded.
80 */
81 private static void testManySettingFiles() throws Exception {
82 String name = "testManySettingFiles";
83 File recording = new File(name + ".jfr");
84
85 OutputAnalyzer output = JcmdHelper.jcmd("JFR.start",
86 "name=" + name,
87 "duration=1h",
88 "settings=" + SETTINGS.getCanonicalPath(),
89 "settings=" + SETTINGS2.getCanonicalPath(),
90 "filename=" + recording.getCanonicalPath());
91 JcmdAsserts.assertRecordingHasStarted(output);
92 JcmdHelper.waitUntilRunning(name);
93 output = JcmdHelper.jcmdCheck(name, true);
94 JcmdAsserts.assertThreadSleepThresholdIsSet(output);
95 JcmdAsserts.assertMonitorWaitThresholdIsSet(output);
96
97 // Generate Monitor Wait event
98 ThreadWait threadWait = new ThreadWait();
99 threadWait.start();
100 Thread.sleep(300);
101 threadWait.join();
102
103 JcmdHelper.stopAndCheck(name);
104 assertHasEvent(recording, EventNames.ThreadSleep, Thread.currentThread().getName());
105 assertHasEvent(recording, EventNames.JavaMonitorWait, threadWait.getName());
106 }
107
108 /**
109 * It should be possible to use "profile" as non-path preset,
110 * both with and without '.jfc'
111 */
112 private static void testPresetSettings() throws Exception {
113 String name = "testPresetSettingsJfc";
114 OutputAnalyzer output = JcmdHelper.jcmd("JFR.start",
115 "name=" + name,
116 "settings=profile.jfc");
117 JcmdAsserts.assertRecordingHasStarted(output);
118 JcmdHelper.waitUntilRunning(name);
119 JcmdHelper.stopAndCheck(name);
120
121 name = "testPresetSettingsNoJfc";
122 output = JcmdHelper.jcmd("JFR.start",
123 "name=" + name,
124 "settings=profile");
125 JcmdAsserts.assertRecordingHasStarted(output);
126 JcmdHelper.waitUntilRunning(name);
127 JcmdHelper.stopAndCheck(name);
128 }
129
130 /**
131 * It should not be possible to start a recording
132 * with a non-existing setting file
133 */
134 private static void testNonExistingSettingFile() throws Exception {
135 String name = "testNonExistingSettingFile";
136 OutputAnalyzer output = JcmdHelper.jcmd("JFR.start",
137 "name=" + name,
138 "settings=nonexisting.jfc");
139 JcmdAsserts.assertNotAbleToFindSettingsFile(output);
140 JcmdHelper.assertRecordingNotExist(name);
141 }
142
143 private static void assertHasEvent(File file, String eventType, String threadName) throws Exception {
144 for (RecordedEvent event : RecordingFile.readAllEvents(file.toPath())) {
145 if (Events.isEventType(event, eventType)) {
146 System.out.println(event);
147 RecordedThread t = event.getThread();
148 if (t == null) {
149 throw new Exception("Thread null for event " + eventType);
150 }
151 if (threadName.equals(t.getJavaName())) {
152 System.out.println("Found event: " + event);
153 return;
154 }
155 }
156 }
157 Asserts.fail("No events of type " + eventType);
158 }
159
160 static class ThreadWait extends Thread {
161
162 public ThreadWait() {
163 setName("ThreadWait");
164 }
165
166 @Override
167 public void run() {
168 try {
169 synchronized (this) {
170 wait(100);
171 }
172 } catch (InterruptedException e) {
173 e.printStackTrace();
174 }
175 }
176 }
177 }