--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/event/runtime/TestJavaBlockedEvent.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,118 @@
+/*
+ * 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.List;
+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.management.ThreadMXBeanTool;
+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.TestJavaBlockedEvent
+ */
+public class TestJavaBlockedEvent {
+    private static final String EVENT_NAME = EventNames.JavaMonitorEnter;
+    private static final long THRESHOLD_MILLIS = 1;
+
+    static class Lock {
+    }
+
+    public static void main(String[] args) throws Throwable {
+        Recording recording = new Recording();
+
+        recording.enable(EVENT_NAME).withThreshold(Duration.ofMillis(THRESHOLD_MILLIS));
+        recording.start();
+        final Lock lock = new Lock();
+        final CountDownLatch blockerInLock = new CountDownLatch(1);
+        final CountDownLatch blockingFinished = new CountDownLatch(1);
+        final CountDownLatch blockedFinished = new CountDownLatch(1);
+        TestThread blockerThread = new TestThread(new XRun() {
+            @Override
+            public void xrun() throws Throwable {
+                synchronized (lock) {
+                    blockerInLock.countDown();
+                    blockingFinished.await();
+                }
+                blockedFinished.await();
+            }
+        });
+
+        TestThread blockedThread = new TestThread(new XRun() {
+            @Override
+            public void xrun() throws Throwable {
+                blockerInLock.await();
+                synchronized (lock) {
+                    blockedFinished.countDown();
+                }
+            }
+        });
+        blockerThread.start();
+        blockedThread.start();
+
+        blockerInLock.await();
+        ThreadMXBeanTool.waitUntilBlockingOnObject(blockedThread, Thread.State.BLOCKED, lock);
+        Thread.sleep(2 * THRESHOLD_MILLIS);
+        blockingFinished.countDown();
+        blockedFinished.await();
+
+        blockedThread.join();
+        blockerThread.join();
+        recording.stop();
+
+        List<RecordedEvent> events = Events.fromRecording(recording);
+        boolean isAnyFound = false;
+        for (RecordedEvent event : events) {
+            System.out.println("Event:" + event);
+            if (event.getThread().getJavaThreadId() == blockedThread.getId()) {
+                if (isMyLock(Events.assertField(event, "monitorClass.name").getValue())) {
+                    Events.assertEventThread(event, "previousOwner", blockerThread);
+                    Events.assertField(event, "address").above(0L);
+                    assertFalse(isAnyFound, "Found multiple events");
+                    isAnyFound = true;
+                }
+            }
+        }
+        assertTrue(isAnyFound, "No blocking event from " + blockedThread.getName());
+    }
+
+    private static boolean isMyLock(String className) {
+        return Lock.class.getName().replace('.', '/').equals(className);
+    }
+}