mpstat -P ALL
Linux 2.6.32-33-generic (vetl) 09/13/2013 _x86_64_ (4 CPU)
01:47:19 PM CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle 01:47:19 PM all 23.62 0.02 0.96 0.11 0.02 0.06 0.00 0.00 75.21 01:47:19 PM 0 17.62 0.01 0.87 0.10 0.07 0.24 0.00 0.00 81.09 01:47:19 PM 1 26.05 0.02 1.01 0.20 0.00 0.00 0.00 0.00 72.71 01:47:19 PM 2 25.93 0.02 1.00 0.08 0.00 0.01 0.00 0.00 72.96 01:47:19 PM 3 24.97 0.02 0.96 0.07 0.00 0.00 0.00 0.00 73.97