[gralouf@Graloufotron trunk]$ sar -u 1 21
Linux 2.6.42.3-2.fc15.x86_64 (Graloufotron) 	03/15/2012 	_x86_64_	(4 CPU)

10:39:13 PM     CPU     %user     %nice   %system   %iowait    %steal     %idle
10:39:14 PM     all     19.70      0.00      9.34      0.00      0.00     70.96
10:39:15 PM     all     23.06      0.00      2.51      0.00      0.00     74.44
10:39:16 PM     all     21.75      0.00      2.25      0.00      0.00     76.00
10:39:17 PM     all     21.70      0.00      1.50      0.00      0.00     76.81
10:39:18 PM     all     21.80      0.00      1.75      0.00      0.00     76.44
10:39:19 PM     all     22.19      0.00      2.00      1.75      0.00     74.06
10:39:20 PM     all     21.45      0.00      1.50      0.00      0.00     77.06
10:39:21 PM     all     20.85      0.00      1.26      0.00      0.00     77.89
10:39:22 PM     all     21.00      0.00      1.50      0.00      0.00     77.50
10:39:23 PM     all     21.70      0.00      1.50      0.00      0.00     76.81
10:39:24 PM     all     21.00      0.00      2.25      0.00      0.00     76.75
10:39:25 PM     all     22.50      0.00      1.75      0.00      0.00     75.75
10:39:26 PM     all     21.95      0.00      1.50      7.98      0.00     68.58
10:39:27 PM     all     22.14      0.00      1.99      0.00      0.00     75.87
10:39:28 PM     all     20.60      0.00      1.26      1.26      0.00     76.88
10:39:29 PM     all     21.45      0.00      1.75      0.00      0.00     76.81
10:39:30 PM     all     21.11      0.00      1.01      0.00      0.00     77.89
10:39:31 PM     all     22.19      0.00      1.50      0.00      0.00     76.31
10:39:32 PM     all     21.70      0.00      1.75      0.00      0.00     76.56
10:39:33 PM     all     21.55      0.00      1.50      0.25      0.00     76.69
10:39:34 PM     all      9.23      0.00      2.00      0.50      0.00     88.28
Average:        all     20.98      0.00      2.06      0.56      0.00     76.40