avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.850      0.000   1043.960   3094.720      0.000  15859.380 
avg	     0.009      0.000      5.220     15.474      0.000     79.297 
stddev	     0.033      0.000      1.360      4.944      0.000      4.580 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257828.000    328.000   4346.000  24535.440 1048696.000 11184166.930 174818.560   1827.960  13336.720   1462.630  20000.410 
avg	  1289.140      1.640     21.730    122.677   5243.480  55920.835    874.093      9.140     66.684      7.313    100.002 
stddev	  3624.883      9.825     62.287     37.445  14743.833  16378.296    124.270      1.458     19.574      1.627      0.077