- fixed totally bogus rates

- tweaked bar graph scale
- added basic kb handler
- split out sent/recv lines

iftop.h

@@ -6,9 +6,9 @@
 #ifndef __IFTOP_H_ /* include guard */
 #define __IFTOP_H_
 
-/* 5 * 60 / 3  */
-#define HISTORY_LENGTH  100
-#define RESOLUTION 3
+/* 60 / 3  */
+#define HISTORY_LENGTH  20
+#define RESOLUTION 1
 
 typedef struct {
     long recv[HISTORY_LENGTH];