diff --git a/gui/menubar.xml b/gui/menubar.xml
index 40fc4d288..de2d1b339 100644
--- a/gui/menubar.xml
+++ b/gui/menubar.xml
@@ -653,7 +653,7 @@
 		</item>
 
 		<item>
-			<label>Print Statistics</label>
+			<label>Print Rendering Statistics</label>
 			<binding>
 				<command>property-assign</command>
 				<property>/sim/rendering/print-statistics</property>
@@ -670,6 +670,14 @@
 			</binding>
 		</item>
 
+		<item>
+			<label>Toggle Subsystem Statistics</label>
+			<binding>
+				<command>property-toggle</command>
+				<property>/sim/timing-statistics/enabled</property>
+			</binding>
+		</item>
+
 		<item>
 			<label>Browse Internal Properties</label>
 			<binding>
diff --git a/preferences.xml b/preferences.xml
index 4a25675cf..0b57ebeb8 100644
--- a/preferences.xml
+++ b/preferences.xml
@@ -23,7 +23,7 @@ Started September 2000 by David Megginson, david@megginson.com
 
   <session type="int" userarchive="y">0</session>
   <paths>
-   <screenshot-dir/> <!-- defaults to current working dir -->
+   <screenshot-dir type="string"/> <!-- defaults to current working dir -->
    <validate>
     <read type="string"/>
     <write type="string"/>
@@ -635,6 +635,14 @@ Started September 2000 by David Megginson, david@megginson.com
   <user>
    <callsign type="string">Golf Foxtrot Sierra</callsign>
   </user>
+
+  <timing-statistics>
+   <enabled type="bool" archive="n">false</enabled>
+   <interval-s type="double" archive="n">20.0</interval-s>
+   <min-jitter-ms type="double" archive="n">0.0</min-jitter-ms>
+   <min-time-ms type="double" archive="n">100.0</min-time-ms>
+  </timing-statistics>
+
  </sim>