--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/jcmd/TestJcmdStartPathToGCRoots.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2015, 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.jcmd;
+
+import java.util.List;
+
+import jdk.jfr.FlightRecorder;
+import jdk.jfr.Recording;
+import jdk.test.lib.jfr.EventNames;
+
+
+/*
+ * @test
+ * @summary Start a recording with or without path-to-gc-roots
+ * @library /test/lib /test/jdk
+ * @key jfr
+ *
+ * @run main/othervm jdk.jfr.jcmd.TestJcmdStartPathToGCRoots
+ */
+public class TestJcmdStartPathToGCRoots {
+
+    public static void main(String[] args) throws Exception {
+
+        JcmdHelper.jcmd("JFR.start", "path-to-gc-roots=true");
+        assertCutoff("infinity", "Expected cutoff to be '0 ns' wuth -XX:StartFlightRecording=path-to-gc-roots=true");
+        closeRecording();
+
+        JcmdHelper.jcmd("JFR.start", "path-to-gc-roots=false");
+        assertCutoff("0 ns", "Expected cutoff to be '0 ns' with -XX:StartFlightRecording=path-to-gc-roots=false");
+        closeRecording();
+
+        JcmdHelper.jcmd("JFR.start");
+        assertCutoff("0 ns", "Expected cutoff to be '0 ns' with -XX:StartFlightRecording=");
+        closeRecording();
+    }
+
+    private static void assertCutoff(String expected, String errorMessage) throws Exception {
+        List<Recording> recordings = FlightRecorder.getFlightRecorder().getRecordings();
+        if (recordings.isEmpty()) {
+            throw new Exception("Expected recording to be started");
+        }
+        if (recordings.size() != 1) {
+            throw new Exception("Expected only one recording");
+        }
+
+        String settingName = EventNames.OldObjectSample + "#" + "cutoff";
+        Recording r = recordings.get(0);
+        String cutoff = r.getSettings().get(settingName);
+        System.out.println(settingName + "=" + cutoff);
+        if (!expected.equals(cutoff)) {
+            throw new Exception(errorMessage);
+        }
+        r.close();
+    }
+
+    private static void closeRecording() {
+        for (Recording r : FlightRecorder.getFlightRecorder().getRecordings()) {
+            r.close();
+        }
+    }
+
+}