avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.890      0.000   4685.010      3.060      0.000   8609.050 
avg	     0.022      0.000     35.226      0.023      0.000     64.730 
stddev	     0.051      0.000     20.364      0.102      0.000     20.367 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   9919.120      0.000  33388.310      0.000 2737287.050  17727.170     83.100    351.990    102.880   2543.700 
avg	     0.000     74.580      0.000    251.040      0.000  20581.106    133.287      0.625      2.647      0.774     19.126 
stddev	     0.000     98.805      0.000    279.006      0.000  23405.083     96.864      0.720      2.299      0.582     19.783