--- /dev/null	2018-06-17 23:18:20.806999507 +0800
+++ new/src/share/classes/jdk/jfr/events/FileForceEvent.java	2019-01-29 10:59:19.245154269 +0800
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2017, 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.events;
+
+import jdk.jfr.Category;
+import jdk.jfr.Description;
+import jdk.jfr.Label;
+import jdk.jfr.Name;
+
+@Name("com.oracle.jdk.FileForce")
+@Label("File Force")
+@Category("Java Application")
+@Description("Force updates to be written to file")
+public final class FileForceEvent extends AbstractJDKEvent {
+
+    public static final ThreadLocal<FileForceEvent> EVENT =
+        new ThreadLocal<FileForceEvent>() {
+            @Override protected FileForceEvent initialValue() {
+                return new FileForceEvent();
+            }
+        };
+
+    @Label("Path")
+    @Description("Full path of the file")
+    public String path;
+
+    @Label("Update Metadata")
+    @Description("Whether the file metadata is updated")
+    public boolean metaData;
+
+    public void reset() {
+        path = null;
+        metaData = false;
+    }
+}