avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.790      0.000    650.610   4627.860      0.000   8018.810 
avg	     0.021      0.000      4.892     34.796      0.000     60.292 
stddev	     0.048      0.000      2.880      8.914      0.000      9.025 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    342.000      0.000  15212.090      0.000 7680045.700 134259.340  19099.930 169443.340   1213.720  13299.410 
avg	     0.000      2.571      0.000    114.377      0.000  57744.705   1009.469    143.608   1274.010      9.126     99.996 
stddev	     0.000     12.768      0.000     21.799      0.000  11083.484     10.058      0.952    215.029      2.040      0.143