avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.570      0.000    265.410   4645.610      0.000   8388.470 
avg	     0.004      0.000      1.996     34.929      0.000     63.071 
stddev	     0.026      0.000      0.756     13.595      0.000     14.173 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1408044.620     46.990  13442.040    187.960 5677544.870 116565.040  19042.950 190138.700   1349.210  13299.410 
avg	     0.000  10586.802      0.353    101.068      1.413  42688.307    876.429    143.180   1429.614     10.144     99.996 
stddev	     0.000   3351.447      0.523     22.066      2.092   5082.280    169.960      1.028    185.787      1.353      0.092