--- /dev/null	2018-06-17 23:18:20.806999507 +0800
+++ new/test/jdk/jfr/event/io/TestFileChannelEvents.java	2019-01-29 11:03:55.520089227 +0800
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2018, 2019, 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.io;
+
+import static jdk.testlibrary.Asserts.assertEquals;
+
+import java.io.File;
+import java.io.RandomAccessFile;
+import java.nio.ByteBuffer;
+import java.nio.channels.FileChannel;
+import java.time.Duration;
+import java.util.ArrayList;
+import java.util.List;
+
+import jdk.jfr.Recording;
+import jdk.jfr.consumer.RecordedEvent;
+import jdk.testlibrary.jfr.Events;
+import jdk.testlibrary.jfr.IOEvent;
+import jdk.testlibrary.jfr.IOHelper;
+/*
+ * @test
+ * @key jfr
+ * @library /lib/testlibrary
+ * @run main/othervm jdk.jfr.event.io.TestFileChannelEvents
+ */
+public class TestFileChannelEvents {
+    public static void main(String[] args) throws Throwable {
+        File tmp = File.createTempFile("TestFileChannelEvents", ".tmp", new File("."));
+        tmp.deleteOnExit();
+        Recording recording = new Recording();
+        List<IOEvent> expectedEvents = new ArrayList<>();
+
+        try (RandomAccessFile rf = new RandomAccessFile(tmp, "rw"); FileChannel ch = rf.getChannel();) {
+            recording.enable(IOEvent.EVENT_FILE_FORCE).withThreshold(Duration.ofMillis(0));
+            recording.enable(IOEvent.EVENT_FILE_READ).withThreshold(Duration.ofMillis(0));
+            recording.enable(IOEvent.EVENT_FILE_WRITE).withThreshold(Duration.ofMillis(0));
+            recording.start();
+
+            ByteBuffer bufA = ByteBuffer.allocateDirect(10);
+            ByteBuffer bufB = ByteBuffer.allocateDirect(20);
+            bufA.put("1234567890".getBytes());
+            bufB.put("1234567890".getBytes());
+
+            // test write(ByteBuffer)
+            bufA.flip();
+            long size = ch.write(bufA);
+            expectedEvents.add(IOEvent.createFileWriteEvent(size, tmp));
+
+            // test write(ByteBuffer, long)
+            bufA.flip();
+            size = ch.write(bufA, bufA.capacity() / 2);
+            expectedEvents.add(IOEvent.createFileWriteEvent(size, tmp));
+
+            // test write(ByteBuffer[])
+            bufA.flip();
+            bufA.limit(5);
+            bufB.flip();
+            bufB.limit(5);
+            size = ch.write(new ByteBuffer[] { bufA, bufB });
+            expectedEvents.add(IOEvent.createFileWriteEvent(size, tmp));
+
+            // test force(boolean)
+            ch.force(true);
+            expectedEvents.add(IOEvent.createFileForceEvent(tmp));
+
+            // reset file
+            ch.position(0);
+
+            // test read(ByteBuffer)
+            bufA.clear();
+            size = ch.read(bufA);
+            expectedEvents.add(IOEvent.createFileReadEvent(size, tmp));
+
+            // test read(ByteBuffer, long)
+            bufA.clear();
+            size = ch.read(bufA, bufA.capacity() / 2);
+            expectedEvents.add(IOEvent.createFileReadEvent(size, tmp));
+
+            // test read(ByteBuffer[])
+            bufA.clear();
+            bufA.limit(5);
+            bufB.clear();
+            bufB.limit(5);
+            size = ch.read(new ByteBuffer[] { bufA, bufB });
+            expectedEvents.add(IOEvent.createFileReadEvent(size, tmp));
+
+            // Read at EOF. Should get size -1 in event.
+            ch.position(ch.size());
+            bufA.clear();
+            size = ch.read(bufA);
+            assertEquals(size, -1L, "Expected size -1 when read at EOF");
+            expectedEvents.add(IOEvent.createFileReadEvent(size, tmp));
+
+            ch.close();
+            recording.stop();
+            List<RecordedEvent> events = Events.fromRecording(recording);
+            IOHelper.verifyEqualsInOrder(events, expectedEvents);
+        }
+    }
+}