avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.330      0.000     98.580   4205.130      0.000   8995.900 
avg	     0.002      0.000      0.741     31.618      0.000     67.638 
stddev	     0.021      0.000      0.327     11.455      0.000     11.594 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1386826.590     47.000  13298.160    188.000 5609159.680 114313.770  19043.880 193906.180   1379.400  13299.810 
avg	     0.000  10427.268      0.353     99.986      1.414  42174.133    859.502    143.187   1457.941     10.371     99.999 
stddev	     0.000   3112.746      0.523     21.177      2.092   4952.908    104.866      1.101    243.445      1.974      0.148