avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.180      0.000    725.310   1705.360      0.000  10865.030 
avg	     0.031      0.000      5.453     12.822      0.000     81.692 
stddev	     0.054      0.000      1.505      1.768      0.000      2.355 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    390.000      0.000  19708.980      0.000 7445995.800 103421.100   1101.690   8224.910    975.860  13299.810 
avg	     0.000      2.932      0.000    148.188      0.000  55984.931    777.602      8.283     61.841      7.337     99.999 
stddev	     0.000     16.647      0.000     40.137      0.000  13604.267    154.081      1.799     25.068      2.284      0.163