avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     5.420      0.000    281.810   3851.020      0.000  15861.700 
avg	     0.027      0.000      1.409     19.255      0.000     79.308 
stddev	     0.054      0.000      0.532      5.239      0.000      5.437 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	254447.200 2117157.020   7446.960  46664.750 1047576.670 8655154.460  82502.400    556.830   2256.150    792.000  17411.880 
avg	  1272.236  10585.785     37.235    233.324   5237.883  43275.772    412.512      2.784     11.281      3.960     87.059 
stddev	  4234.998   3990.755    126.879    157.314  17438.702  16267.217    124.729      1.771      6.442      1.759     12.491