avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.880      0.000     61.830  12842.390      0.000    394.870 
avg	     0.007      0.000      0.465     96.559      0.000      2.969 
stddev	     0.028      0.000      0.226      7.835      0.000      7.744 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1078368.760      4.000  10462.670     16.000 4345937.900 110723.310  18593.910 236319.180   1701.490  13300.630 
avg	     0.000   8108.036      0.030     78.667      0.120  32676.225    832.506    139.804   1776.836     12.793    100.005 
stddev	     0.000   1922.721      0.210      6.517      0.841   2521.706     53.999      4.623    267.821      1.038      0.057