avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.770      0.000     41.500   7838.100      0.000   5419.590 
avg	     0.006      0.000      0.312     58.933      0.000     40.749 
stddev	     0.030      0.000      0.175     17.789      0.000     17.780 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1325440.000     44.000  12990.000    176.000 5336224.000 111356.870  19057.300 195736.280   1398.060  13300.800 
avg	     0.000   9965.714      0.331     97.669      1.323  40121.985    837.270    143.288   1471.701     10.512    100.006 
stddev	     0.000   3532.131      0.486     17.846      1.945   5607.511    136.205      1.600    180.817      1.745      0.098