Description of Problem:
Running "sar -u" and pulling data from the current sa data file will some times
list %user, %nice, and %system ALL being over 100% and idle being 0%. This of
course the system average as well. 

Version-Release number of selected component (if applicable):
sysstat-4.0.3-1.i386.rpm

How Reproducible:
Not sure, let system collect data over a day - my system is fairly idle
and then try display the day's sar processor time (sar -u)

Steps to Reproduce:
1. leave system up for a day
2. run sar -u
3. 

Actual Results:


Expected Results:
Values for %user, %nice, and %system that added to 100% not were each over a 
100%. Also, average values that make sense as well.

Additional Information:
Here is output from sar -u

...
05:50:00 PM       all      0.06      0.00      0.03     99.91
06:00:00 PM       all      0.06      0.00      0.03     99.91
06:10:00 PM       all      0.07      0.01      0.05     99.87
06:20:00 PM       all      0.07      0.00      0.02     99.91
06:30:00 PM       all      0.91      0.00      0.82     98.26
06:40:00 PM       all      0.54      0.00      0.42     99.04
06:50:00 PM       all      0.01      0.00      0.01     99.99
07:00:01 PM       all      0.01      0.00      0.01     99.98

07:00:01 PM       CPU     %user     %nice   %system     %idle
07:10:00 PM       all      0.01      0.00      0.01     99.97
07:20:00 PM       all      0.48      0.00      0.39     99.13
07:50:00 PM       all    101.64    101.64    101.64      0.00
08:00:00 PM       all      0.06      0.00      0.05     99.89
08:10:00 PM       all      0.06      0.00      0.03     99.91
08:20:00 PM       all      0.11      0.00      0.10     99.79
08:30:00 PM       all      0.05      0.00      0.04     99.90
08:40:01 PM       all      0.13      0.00      0.10     99.78
08:50:00 PM       all      0.98      0.00      0.57     98.45
Average:          all    101.47    101.47    101.47      0.00
 
[root@malibu sa]# uname -a
Linux malibu 2.4.9-21 #1 Thu Jan 17 13:35:24 EST 2002 i586 unknown