avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.210      0.000    502.300   5933.350      0.000   6862.130 
avg	     0.017      0.000      3.777     44.612      0.000     51.595 
stddev	     0.042      0.000      0.739      7.586      0.000      7.739 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1170096.280      5.000   9457.250     20.000 4705303.880 131621.160   4604.550  71503.830   2607.990  13210.610 
avg	     0.000   8797.716      0.038     71.107      0.150  35378.225    989.633     34.621    537.623     19.609     99.328 
stddev	     0.000   3731.843      0.226     25.490      0.905  12802.089     30.819     15.419    283.724     17.794      2.569