avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	   155.520      0.000    966.750   4282.560      0.000  14595.140 
avg	     0.778      0.000      4.834     21.413      0.000     72.976 
stddev	     0.168      0.000      1.423      1.666      0.000      2.655 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000  14659.530      3.000  19763.170     12.000 6689588.940 134042.930   2017.920  21476.690   2054.150  19244.050 
avg	     0.000     73.298      0.015     98.816      0.060  33447.945    670.215     10.090    107.383     10.271     96.220 
stddev	     0.000     33.001      0.212     26.633      0.846   9179.534     77.230      1.858     34.246      3.032     12.742