Index: /trunk/src/org/openstreetmap/josm/gui/mappaint/RenderingCLI.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/mappaint/RenderingCLI.java	(revision 16817)
+++ /trunk/src/org/openstreetmap/josm/gui/mappaint/RenderingCLI.java	(revision 16818)
@@ -48,4 +48,5 @@
 import org.openstreetmap.josm.tools.OptionParser.OptionCount;
 import org.openstreetmap.josm.tools.OptionParser.OptionParseException;
+import org.openstreetmap.josm.tools.Stopwatch;
 import org.openstreetmap.josm.tools.Territories;
 
@@ -161,4 +162,7 @@
             parseArguments(argArray);
             initialize();
+            Stopwatch stopwatch = Stopwatch.createStarted();
+            String task = tr("Rendering {0} to {1}", argInput, argOutput);
+            System.err.println(task);
             DataSet ds = loadDataset();
             RenderingArea area = determineRenderingArea(ds);
@@ -167,4 +171,5 @@
             BufferedImage image = rh.render();
             writeImageToFile(image);
+            System.err.println(stopwatch.toString(task));
         } catch (FileNotFoundException | NoSuchFileException e) {
             if (Logging.isDebugEnabled()) {