avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.040      0.000     76.950    307.430      0.000    815.560 
avg	     0.003      0.000      6.413     25.619      0.000     67.963 
stddev	     0.005      0.000      0.928      5.276      0.000      5.123 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000  34037.360      1.100    317.280      4.400 156432.760   7591.120    409.480   7945.030    251.490    393.620 
avg	     0.000   2836.447      0.092     26.440      0.367  13036.063    632.593     34.123    662.086     20.957     32.802 
stddev	     0.000   4436.798      0.274     35.258      1.097  17612.246    404.910     50.661    655.962     23.358     40.436