avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.660      0.000    321.590     64.090      0.000  12913.660 
avg	     0.005      0.000      2.418      0.482      0.000     97.095 
stddev	     0.009      0.000      1.567      0.601      0.000      1.899 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1245639.830      6.000  10794.350     24.000 5023721.430  90076.760   1964.330  16547.650    631.910   6859.010 
avg	     0.000   9365.713      0.045     81.161      0.180  37772.342    677.269     14.769    124.418      4.751     51.572 
stddev	     0.000   7783.896      0.241     61.542      0.964  28964.344    415.452     25.432    205.708      3.352     38.999