avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     5.270      0.000    227.920   5398.540      0.000  14368.240 
avg	     0.026      0.000      1.140     26.993      0.000     71.841 
stddev	     0.055      0.000      0.524     10.061      0.000     10.413 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	254620.000 1927325.220   7366.000  21343.530 1047944.000 7801413.070 145740.820  28744.240 240119.770   1716.610  20000.110 
avg	  1273.100   9636.626     36.830    106.718   5239.720  39007.065    728.704    143.721   1200.599      8.583    100.001 
stddev	  3830.112   4466.245    116.338     42.661  15776.237  14360.709    227.010      4.432    388.003      3.002      0.080