avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.730      0.000   1277.400    593.860      0.000  11525.900 
avg	     0.020      0.000      9.533      4.432      0.000     86.014 
stddev	     0.028      0.000      3.816      2.625      0.000      3.814 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1047044.590      4.730   8757.560     18.880 4233300.960 128827.580  10830.390 163505.590   2109.140  11899.490 
avg	     0.000   7813.766      0.035     65.355      0.141  31591.798    961.400     80.824   1220.191     15.740     88.802 
stddev	     0.000   6759.071      0.174     23.454      0.695  11478.031     37.407     47.284    721.815     11.213     21.273