--- /dev/null	2020-01-02 04:43:18.583999853 +0000
+++ new/src/share/classes/jdk/jfr/internal/settings/ThresholdSetting.java	2020-01-30 06:27:38.057327735 +0000
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2016, 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.internal.settings;
+
+import java.util.Objects;
+import java.util.Set;
+
+import jdk.jfr.Description;
+import jdk.jfr.Label;
+import jdk.jfr.MetadataDefinition;
+import jdk.jfr.Name;
+import jdk.jfr.Timespan;
+import jdk.jfr.internal.PlatformEventType;
+import jdk.jfr.internal.Control;
+import jdk.jfr.internal.Type;
+import jdk.jfr.internal.Utils;
+@MetadataDefinition
+@Label("Threshold")
+@Name(Type.SETTINGS_PREFIX + "Threshold")
+@Description("Record event with duration above or equal to threshold")
+@Timespan
+public final class ThresholdSetting extends Control {
+    private final static long typeId = Type.getTypeId(ThresholdSetting.class);
+    private String value = "0 ns";
+    private final PlatformEventType eventType;
+
+    public ThresholdSetting(PlatformEventType eventType, String defaultValue) {
+       super(defaultValue);
+       this.eventType = Objects.requireNonNull(eventType);
+    }
+
+    @Override
+    public String combine(Set<String> values) {
+        Long min = null;
+        String text = null;
+        for (String value : values) {
+            long l = Utils.parseTimespanWithInfinity(value);
+            // always accept first value
+            if (min == null) {
+                min = l;
+                text = value;
+            } else {
+                if (l < min) {
+                    text = value;
+                    min = l;
+                }
+            }
+        }
+        return text == null ? "0 ns" : text;
+    }
+
+    @Override
+    public void setValue(String value) {
+        long l = Utils.parseTimespanWithInfinity(value);
+        this.value = value;
+        eventType.setThreshold(l);
+    }
+
+    @Override
+    public String getValue() {
+        return value;
+    }
+
+    public static boolean isType(long typeId) {
+        return ThresholdSetting.typeId == typeId;
+    }
+}