avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.690      0.000    165.570   5019.500      0.000  14813.250 
avg	     0.008      0.000      0.828     25.098      0.000     74.066 
stddev	     0.033      0.000      0.325      5.560      0.000      5.724 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	256116.000   4052.530   6093.000  24504.380 1048836.000 9936205.560 155788.700   2507.860  18473.630   1472.190  19998.940 
avg	  1280.580     20.263     30.465    122.522   5244.180  49681.028    778.943     12.539     92.368      7.361     99.995 
stddev	  3863.132     55.673    101.751     42.358  15840.983  15528.871    136.307      1.575     29.833      2.001      0.139