1 /*
 2  * Copyright (c) 2013, 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.
 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 package jdk.jfr.event.runtime;
25 
26 import static jdk.test.lib.Asserts.assertTrue;
27 
28 import java.time.Duration;
29 import java.util.List;
30 import java.util.concurrent.ThreadFactory;
31 
32 import jdk.jfr.Recording;
33 import jdk.jfr.consumer.RecordedEvent;
34 import jdk.test.lib.Asserts;
35 import jdk.test.lib.jfr.EventNames;
36 import jdk.test.lib.jfr.Events;
37 
38 /**
39  * @test
40  * @key jfr
41  * @requires vm.hasJFR
42  * @library /test/lib
43  * @compile --enable-preview -source ${jdk.version} TestThreadSleepEvent.java
44  * @run main/othervm --enable-preview jdk.jfr.event.runtime.TestThreadSleepEvent
45  */
46 public class TestThreadSleepEvent {
47 
48     private final static String EVENT_NAME = EventNames.ThreadSleep;
49     // Need to set the sleep time quite high (47 ms) since the sleep
50     // time on Windows has been proved unreliable.
51     // See bug 6313903
52     private final static Long SLEEP_TIME_MS = new Long(47);
53 
54     public static void main(String[] args) throws Throwable {
55 
56         try (Recording recording = new Recording()) {
57             recording.enable(EVENT_NAME).withoutThreshold().withStackTrace();
58             recording.start();
59             Thread.sleep(SLEEP_TIME_MS);
60             Thread virtualThread  = Thread.ofVirtual().start(() -> {
61                 try {
62                     Thread.sleep(SLEEP_TIME_MS);
63                 } catch (InterruptedException ie) {
64                     throw new RuntimeException(ie);
65                 }
66             });
67             virtualThread.join();
68             recording.stop();
69 
70             int threadCount = 2;
71             List<RecordedEvent> events = Events.fromRecording(recording);
72             Asserts.assertEquals(events.size(), threadCount);
73             for (RecordedEvent event : events) {
74                 System.out.println(event);
75                 System.out.println(event.getStackTrace());
76                 if (event.getThread().getJavaThreadId() == Thread.currentThread().getId()) {
77                     threadCount--;
78                     Events.assertDuration(event, "time", Duration.ofMillis(SLEEP_TIME_MS));
79                 }
80                 if (event.getThread().getJavaThreadId() == virtualThread.getId()) {
81                     threadCount--;
82                     Events.assertDuration(event, "time", Duration.ofMillis(SLEEP_TIME_MS));
83                 }
84             }
85             Asserts.assertEquals(threadCount, 0, "Could not find all expected events");
86         }
87     }
88 }