avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.400      0.000    335.850   4127.900      0.000   8835.910 
avg	     0.003      0.000      2.525     31.037      0.000     66.435 
stddev	     0.020      0.000      1.070     12.531      0.000     13.358 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 144071.000      5.000   5274.000     20.000 600824.000  25514.240  19069.810 701991.510   8021.550  13300.400 
avg	     0.000   1083.241      0.038     39.654      0.150   4517.474    191.836    143.382   5278.132     60.312    100.003 
stddev	     0.000    678.556      0.190     19.899      0.761   2510.249     83.679      4.339   5130.300     86.664      0.092