--- /dev/null	2018-06-17 23:18:20.806999507 +0800
+++ new/src/share/classes/jdk/jfr/events/ActiveSettingEvent.java	2019-01-29 10:59:16.735227832 +0800
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2016, 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.Label;
+import jdk.jfr.Name;
+import jdk.jfr.StackTrace;
+
+@Name("com.oracle.jdk.ActiveSetting")
+@Label("Recording Setting")
+@Category("Flight Recorder")
+@StackTrace(false)
+public final class ActiveSettingEvent extends AbstractJDKEvent {
+
+    @Label("Event Id")
+    public long id;
+
+    @Label("Setting Name")
+    public String name;
+
+    @Label("Setting Value")
+    public String value;
+}