avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     7.310      0.000   1088.080   6808.280      0.000  12096.290 
avg	     0.037      0.000      5.440     34.041      0.000     60.481 
stddev	     0.060      0.000      5.290      9.870      0.000      9.314 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257828.000    470.000   4346.000  21538.880 1048696.000 10868671.760 191496.540  28730.730 233261.270   1631.990  20000.010 
avg	  1289.140      2.350     21.730    107.694   5243.480  54343.359    957.483    143.654   1166.306      8.160    100.000 
stddev	  3608.166     13.665     62.455     30.668  14676.818  15530.823    141.754      1.330    245.216      1.637      0.080