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 
31 import jdk.jfr.Recording;
32 import jdk.jfr.consumer.RecordedEvent;
33 import jdk.test.lib.jfr.EventNames;
34 import jdk.test.lib.jfr.Events;
35 
36 /**
37  * @test
38  * @key jfr
39  * @requires vm.hasJFR
40  * @library /test/lib
41  * @run main/othervm jdk.jfr.event.runtime.TestThreadSleepEvent
42  */
43 public class TestThreadSleepEvent {
44 
45     private final static String EVENT_NAME = EventNames.ThreadSleep;
46     // Need to set the sleep time quite high (47 ms) since the sleep
47     // time on Windows has been proved unreliable.
48     // See bug 6313903
49     private final static Long SLEEP_TIME_MS = new Long(47);
50 
51     public static void main(String[] args) throws Throwable {
52         Recording recording = new Recording();
53         recording.enable(EVENT_NAME).withThreshold(Duration.ofMillis(0));
54         recording.start();
55         Thread.sleep(SLEEP_TIME_MS);
56         recording.stop();
57 
58         List<RecordedEvent> events = Events.fromRecording(recording);
59         boolean isAnyFound = false;
60         for (RecordedEvent event : events) {
61             if (event.getThread().getJavaThreadId() == Thread.currentThread().getId()) {
62                 System.out.println("Event:" + event);
63                 isAnyFound = true;
64                 Events.assertField(event, "time").equal(SLEEP_TIME_MS);
65             }
66         }
67         assertTrue(isAnyFound, "No matching events found");
68     }
69 
70 }