avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.560      0.000     69.760   4020.300      0.000   9209.430 
avg	     0.004      0.000      0.525     30.228      0.000     69.244 
stddev	     0.025      0.000      0.270     11.508      0.000     11.587 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1797529.600      6.000  14311.880     24.000 7253863.170 134748.820  18398.700 173481.180   1311.580  13299.810 
avg	     0.000  13515.260      0.045    107.608      0.180  54540.325   1013.149    138.336   1304.370      9.862     99.999 
stddev	     0.000   3788.856      0.270     24.040      1.082  12225.647     11.426      9.070    252.009      2.603      0.121