test/jdk/jdk/jfr/event/runtime/TestThreadSleepEvent.java
author egahlin
Tue, 15 May 2018 20:24:34 +0200
changeset 50113 caf115bb98ad
child 51214 67736b4846a0
permissions -rw-r--r--
8199712: Flight Recorder Reviewed-by: coleenp, ihse, erikj, dsamersoff, mseledtsov, egahlin, mgronlun Contributed-by: erik.gahlin@oracle.com, markus.gronlund@oracle.com

/*
 * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 */

package jdk.jfr.event.runtime;

import static jdk.test.lib.Asserts.assertTrue;

import java.time.Duration;
import java.util.List;

import jdk.jfr.Recording;
import jdk.jfr.consumer.RecordedEvent;
import jdk.test.lib.jfr.EventNames;
import jdk.test.lib.jfr.Events;

/*
 * @test
 * @key jfr
 * @library /test/lib
 * @run main/othervm jdk.jfr.event.runtime.TestThreadSleepEvent
 */
public class TestThreadSleepEvent {

    private final static String EVENT_NAME = EventNames.ThreadSleep;
    // Need to set the sleep time quite high (47 ms) since the sleep
    // time on Windows has been proved unreliable.
    // See bug 6313903
    private final static Long SLEEP_TIME_MS = new Long(47);

    public static void main(String[] args) throws Throwable {
        Recording recording = new Recording();
        recording.enable(EVENT_NAME).withThreshold(Duration.ofMillis(0));
        recording.start();
        Thread.sleep(SLEEP_TIME_MS);
        recording.stop();

        List<RecordedEvent> events = Events.fromRecording(recording);
        boolean isAnyFound = false;
        for (RecordedEvent event : events) {
            if (event.getThread().getJavaThreadId() == Thread.currentThread().getId()) {
                System.out.println("Event:" + event);
                isAnyFound = true;
                Events.assertField(event, "time").equal(SLEEP_TIME_MS);
            }
        }
        assertTrue(isAnyFound, "No matching events found");
    }

}