avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.770      0.000     21.630   7755.420      0.000   5518.180 
avg	     0.036      0.000      0.163     58.311      0.000     41.490 
stddev	     0.058      0.000      0.106     20.964      0.000     21.007 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000     21.000     42.990  13370.190    171.960 5269532.430 109486.230  19140.860 198597.650   1577.670  13299.620 
avg	     0.000      0.158      0.323    100.528      1.293  39620.545    823.205    143.916   1493.215     11.862     99.997 
stddev	     0.000      0.385      0.468     40.858      1.871  13869.782    161.500      2.464    412.864      5.835      0.228