avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.790      0.000   1905.420   6351.630      0.000  11740.170 
avg	     0.014      0.000      9.527     31.758      0.000     58.701 
stddev	     0.027      0.000      1.987      5.042      0.000      5.079 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1395506.440      4.000  15210.830     16.000 5647092.640 141255.080  21840.610 300627.740   3688.060  18797.200 
avg	     0.000   6977.532      0.020     76.054      0.080  28235.463    706.275    109.203   1503.139     18.440     93.986 
stddev	     0.000   7342.207      0.172     38.094      0.688  14761.901    188.018     48.264    862.260     24.113     21.133