Index: trunk/MagicSoft/Mars/datacenter/macros/plotdb.C
===================================================================
--- trunk/MagicSoft/Mars/datacenter/macros/plotdb.C	(revision 7625)
+++ trunk/MagicSoft/Mars/datacenter/macros/plotdb.C	(revision 7627)
@@ -425,4 +425,6 @@
     plot.SetDescription("Measures effective on time;T_{eff} [s]", "EffOn");
     plot.Plot("Star.fEffOnTime",               0, 10000, 150);
+    plot.SetDescription("Relative effective on time;T_{eff}/T_{obs} [ratio]", "RelTime");
+    plot.Plot("Star.fEffOnTime/Sequences.fRunTime",    0, 1.5, 0.01);
     plot.SetDescription("Datarate [Hz]", "Rate");
     plot.Plot("Star.fDataRate",                0, 600, 10);