avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	   139.640      0.000    597.070  12410.770      0.000   6852.520 
avg	     0.698      0.000      2.985     62.054      0.000     34.263 
stddev	     0.134      0.000      0.415      3.998      0.000      4.033 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   4575.960      1.000  24384.930      4.000 3266882.360  53390.610   3133.600  26423.610   1685.370  19920.220 
avg	     0.000     22.880      0.005    121.925      0.020  16334.412    266.953     15.668    132.118      8.427     99.601 
stddev	     0.000     13.639      0.071     22.376      0.282   3770.780     26.043      1.875     27.789      1.459      0.483