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