avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.530      0.000     94.700   7840.840      0.000   5363.960 
avg	     0.004      0.000      0.712     58.954      0.000     40.331 
stddev	     0.021      0.000      0.284     21.433      0.000     21.514 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1548186.000      5.000  12316.000     20.000 6234952.000 134625.370  18435.580 199366.410   1436.480  13301.200 
avg	     0.000  11640.496      0.038     92.602      0.150  46879.338   1012.221    138.613   1498.996     10.801    100.009 
stddev	     0.000   3155.528      0.226      2.026      0.905   1308.379     23.985     14.221    177.203      0.230      0.104