gistfile1.txt

diff --git a/src/main/java/fi/helsinki/cs/titokone/GUIBrain.java b/src/main/java/fi/helsinki/cs/titokone/GUIBrain.java
index fbaec9b..b123da7 100644
--- a/src/main/java/fi/helsinki/cs/titokone/GUIBrain.java
+++ b/src/main/java/fi/helsinki/cs/titokone/GUIBrain.java
@@ -338,6 +338,8 @@ public class GUIBrain {
      * This method corresponds to the menu option File -> Run. It does
      * its work by calling runInstruction().
      */
+    private long lastMillis;
+    private int lastCycles;
        public void menuRun() {
         synchronized (lock) {
             threadRunning = true;
@@ -498,6 +500,12 @@ public class GUIBrain {
                      */
                     if (runinfo.whatOUT()[0] == Processor.CRT) {
                         gui.addOutputData(runinfo.whatOUT()[1]);
+                        int cycles = ((Processor)control.getCpu()).giveCommAmount();
+                        long millis = System.currentTimeMillis();
+                        System.out.printf("Delta: %d cycles / %d ms, %f cycles/ms\n", cycles - lastCycles, millis - lastMillis,
+                                (double)(cycles - lastCycles) / (millis - lastMillis));
+                        lastCycles = cycles;
+                        lastMillis = millis;
                     }
                 }
             } while (interruptSent == false); // End of do-while -loop