avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.020      0.000    257.950    770.600      0.000  12270.370 
avg	     0.008      0.000      1.939      5.794      0.000     92.258 
stddev	     0.026      0.000      1.694      4.750      0.000      5.032 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    562.000      0.000  21594.500      0.000 10045367.440 123645.720  19139.690 120408.610    932.680  13299.620 
avg	     0.000      4.226      0.000    162.365      0.000  75529.078    929.667    143.907    905.328      7.013     99.997 
stddev	     0.000     18.532      0.000     25.914      0.000  12168.463     23.592      1.784    198.449      6.885      0.171