avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.420      0.000    445.400   2089.670      0.000  10762.600 
avg	     0.018      0.000      3.349     15.712      0.000     80.922 
stddev	     0.051      0.000      3.714     11.368      0.000     12.060 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    541.000      0.000  23347.260      0.000 11848544.480 134976.970  19101.730 108948.600    757.830  13299.410 
avg	     0.000      4.068      0.000    175.543      0.000  89086.801   1014.864    143.622    819.162      5.698     99.996 
stddev	     0.000     18.321      0.000      3.650      0.000   2350.255      7.789      0.822     20.071      0.131      0.126