avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.860      0.000    568.240  12687.810      0.000     42.090 
avg	     0.014      0.000      4.272     95.397      0.000      0.316 
stddev	     0.061      0.000      0.511      0.517      0.000      0.170 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1086826.770      5.000   9657.730     20.000 4345468.480 119633.180   3482.750  48871.500   2156.510  13220.390 
avg	     0.000   8171.630      0.038     72.615      0.150  32672.695    899.498     26.186    367.455     16.214     99.401 
stddev	     0.000   2912.432      0.226     21.691      0.905   9725.906     38.038     13.934    201.902     10.108      1.802