--- /dev/null 2019-02-07 20:54:51.336000000 +0300 +++ new/test/jdk/jfr/event/runtime/TestJavaMonitorWaitTimeOut.java 2019-02-08 18:33:39.071965696 +0300 @@ -0,0 +1,126 @@ +/* + * 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 java.util.List; + +import jdk.jfr.Recording; +import jdk.jfr.consumer.RecordedClass; +import jdk.jfr.consumer.RecordedEvent; +import jdk.jfr.consumer.RecordedThread; +import jdk.test.lib.Asserts; +import jdk.test.lib.jfr.EventNames; +import jdk.test.lib.jfr.Events; + +/** + * @test + * @key jfr + * + * @library /lib / + * @run main/othervm jdk.jfr.event.runtime.TestJavaMonitorWaitTimeOut + */ +public class TestJavaMonitorWaitTimeOut { + + static final class Lock { + + } + + private static final String THREAD_NAME = "Notifier"; + + static class Notifierhread extends Thread { + private final Object lock; + + Notifierhread(Object lock) { + super(THREAD_NAME); + this.lock = lock; + } + + public void run() { + synchronized (lock) { + lock.notify(); + } + } + } + + public static void main(String[] args) throws Throwable { + try (Recording recording = new Recording()) { + recording.enable(EventNames.JavaMonitorWait).withoutThreshold().withoutStackTrace(); + recording.start(); + Lock lock = new Lock(); + + synchronized (lock) { + // event without notifier, should be null + lock.wait(10); + } + Notifierhread s = new Notifierhread(lock); + + synchronized (lock) { + s.start(); + // event with a notifier + lock.wait(1_000_000); + s.join(); + } + + synchronized (lock) { + // event without a notifier, should be null + lock.wait(11); + } + recording.stop(); + List events = Events.fromRecording(recording); + for (RecordedEvent e : events) { + if (isWaitEvent(e)) { + System.out.println(e); + } + } + assertTimeOutEvent(events, 10, null); + assertTimeOutEvent(events, 1_000_000, THREAD_NAME); + assertTimeOutEvent(events, 11, null); + } + } + + private static boolean isWaitEvent(RecordedEvent event) { + RecordedClass t = event.getValue("monitorClass"); + return t != null && t.getName().equals(Lock.class.getName()); + } + + private static void assertTimeOutEvent(List events, long timeout, String expectedThreadName) { + for (RecordedEvent e : events) { + if (isWaitEvent(e)) { + Long l = e.getValue("timeout"); + if (l == timeout) { + RecordedThread notifier = e.getValue("notifier"); + String threadName = null; + if (notifier != null) { + threadName = notifier.getJavaName(); + } + Asserts.assertEquals(threadName, expectedThreadName, "Invalid thread"); + return; + } + } + } + Asserts.fail("Could not find event with monitorClass" + Lock.class.getName()); + } +}