avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     5.180      0.000    207.610   6228.340      0.000  13558.830 
avg	     0.026      0.000      1.038     31.142      0.000     67.794 
stddev	     0.054      0.000      0.335     10.287      0.000     10.458 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	254135.000 1793492.940   7854.990  19967.250 1047959.960 7248480.880 139832.020  28548.880 248888.510   1757.090  19999.920 
avg	  1270.675   8967.465     39.275     99.836   5239.800  36242.404    699.160    142.744   1244.443      8.785    100.000 
stddev	  3979.238   3380.230    124.750     32.614  16414.405  10869.410    175.130      3.260    381.012      2.487      0.107