avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.600      0.000    217.330   5577.820      0.000   7504.200 
avg	     0.005      0.000      1.634     41.938      0.000     56.423 
stddev	     0.027      0.000      0.700     16.442      0.000     16.898 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1560488.210      5.000  12315.080     20.000 6285645.620 135707.830  18811.300 203770.650   1436.050  13299.810 
avg	     0.000  11732.994      0.038     92.595      0.150  47260.493   1020.360    141.438   1532.110     10.797     99.999 
stddev	     0.000   2323.359      0.226      1.387      0.905    872.583      7.988      9.460    132.907      0.159      0.099