--- /dev/null 2017-11-09 09:38:01.297999907 +0100 +++ new/test/jdk/jdk/jfr/event/runtime/TestJavaMonitorWaitEvent.java 2018-04-09 18:28:50.347661495 +0200 @@ -0,0 +1,106 @@ +/* + * 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 + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package jdk.jfr.event.runtime; + +import static jdk.test.lib.Asserts.assertFalse; +import static jdk.test.lib.Asserts.assertTrue; + +import java.time.Duration; +import java.util.concurrent.CountDownLatch; + +import jdk.jfr.Recording; +import jdk.jfr.consumer.RecordedEvent; +import jdk.test.lib.jfr.EventNames; +import jdk.test.lib.jfr.Events; +import jdk.test.lib.thread.TestThread; +import jdk.test.lib.thread.XRun; + +/* + * @test + * @key jfr + * @library /test/lib + * @run main/othervm jdk.jfr.event.runtime.TestJavaMonitorWaitEvent + */ +public class TestJavaMonitorWaitEvent { + + private final static String EVENT_NAME = EventNames.JavaMonitorWait; + private static final long WAIT_TIME = 123456; + + static class Lock { + } + + static boolean silenceFindBugsNakedNotify; + + public static void main(String[] args) throws Throwable { + Recording recording = new Recording(); + recording.enable(EVENT_NAME).withThreshold(Duration.ofMillis(0)); + + final Lock lock = new Lock(); + final CountDownLatch latch = new CountDownLatch(1); + + TestThread waitThread = new TestThread(new XRun() { + @Override + public void xrun() throws Throwable { + synchronized (lock) { + latch.countDown(); + lock.wait(WAIT_TIME); + silenceFindBugsNakedNotify = false; + } + } + }); + + try { + recording.start(); + waitThread.start(); + latch.await(); + synchronized (lock) { + silenceFindBugsNakedNotify = true; + lock.notifyAll(); + } + } finally { + waitThread.join(); + recording.stop(); + } + + boolean isAnyFound = false; + for (RecordedEvent event : Events.fromRecording(recording)) { + System.out.println("Event:" + event); + if ((long)Events.assertField(event, "timeout").getValue() != WAIT_TIME) { + continue; + } + + assertFalse(isAnyFound, "Found more than 1 event"); + isAnyFound = true; + Events.assertEventThread(event, waitThread); + final String lockClassName = lock.getClass().getName().replace('.', '/'); + Events.assertField(event, "monitorClass.name").equal(lockClassName); + Events.assertField(event, "address").notEqual(0L); + Events.assertField(event, "timedOut").equal(false); + Events.assertEventThread(event, "notifier", Thread.currentThread()); + } + assertTrue(isAnyFound, "Correct event not found"); + } +}