Index: trunk/test/performance/org/openstreetmap/josm/PerformanceTestUtils.java
===================================================================
--- trunk/test/performance/org/openstreetmap/josm/PerformanceTestUtils.java	(revision 9788)
+++ trunk/test/performance/org/openstreetmap/josm/PerformanceTestUtils.java	(revision 9789)
@@ -71,5 +71,5 @@
      */
     public static void measurementPlotsPluginOutput(String name, double value) {
-        System.out.println("<measurement><name>"+XmlWriter.encode(name)+"</name><value>"+value+"</value></measurement>");
+        System.err.println("<measurement><name>"+XmlWriter.encode(name)+"</name><value>"+value+"</value></measurement>");
     }
 }