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.  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.event.runtime;
  27 
  28 import static jdk.test.lib.Asserts.assertTrue;
  29 
  30 import java.time.Duration;
  31 import java.util.List;
  32 
  33 import jdk.jfr.Recording;
  34 import jdk.jfr.consumer.RecordedEvent;
  35 import jdk.test.lib.jfr.EventNames;
  36 import jdk.test.lib.jfr.Events;
  37 
  38 /**
  39  * @test
  40  * @key jfr
  41  *
  42  * @library /lib /
  43  * @run main/othervm jdk.jfr.event.runtime.TestThreadSleepEvent
  44  */
  45 public class TestThreadSleepEvent {
  46 
  47     private final static String EVENT_NAME = EventNames.ThreadSleep;
  48     // Need to set the sleep time quite high (47 ms) since the sleep
  49     // time on Windows has been proved unreliable.
  50     // See bug 6313903
  51     private final static Long SLEEP_TIME_MS = new Long(47);
  52 
  53     public static void main(String[] args) throws Throwable {
  54         Recording recording = new Recording();
  55         recording.enable(EVENT_NAME).withThreshold(Duration.ofMillis(0));
  56         recording.start();
  57         Thread.sleep(SLEEP_TIME_MS);
  58         recording.stop();
  59 
  60         List<RecordedEvent> events = Events.fromRecording(recording);
  61         boolean isAnyFound = false;
  62         for (RecordedEvent event : events) {
  63             if (event.getThread().getJavaThreadId() == Thread.currentThread().getId()) {
  64                 System.out.println("Event:" + event);
  65                 isAnyFound = true;
  66                 Events.assertField(event, "time").equal(SLEEP_TIME_MS);
  67             }
  68         }
  69         assertTrue(isAnyFound, "No matching events found");
  70     }
  71 
  72 }