avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.500      0.000    216.310   7944.810      0.000   5137.360 
avg	     0.011      0.000      1.626     59.735      0.000     38.627 
stddev	     0.015      0.000      0.838     25.127      0.000     25.509 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1388052.370      5.000  17658.240     20.000 5626257.350 112240.240   2560.040  26665.450   1085.800   9005.800 
avg	     0.000  10436.484      0.038    132.769      0.150  42302.687    843.912     19.248    200.492      8.164     67.713 
stddev	     0.000   4609.387      0.190    147.288      0.761  19705.082    232.891     28.696    310.281      9.168     27.985