avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.370      0.000    658.280   6252.990      0.000   6388.300 
avg	     0.003      0.000      4.949     47.015      0.000     48.032 
stddev	     0.023      0.000      4.820     15.256      0.000     15.437 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    284.000      0.000  12218.230      0.000 6154647.330 133985.680  19107.360 208209.750   1448.710  13299.430 
avg	     0.000      2.135      0.000     91.866      0.000  46275.544   1007.411    143.664   1565.487     10.893     99.996 
stddev	     0.000     11.751      0.000      2.380      0.000   1359.447     10.900      1.035    148.132      0.290      0.108