avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.080      0.000     79.630   4146.740      0.000   9072.510 
avg	     0.008      0.000      0.599     31.178      0.000     68.214 
stddev	     0.033      0.000      0.290     11.334      0.000     11.423 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1846461.020      6.000  14673.790     24.000 7440922.690 134832.540  17166.670 156866.110   1256.770  13299.810 
avg	     0.000  13883.166      0.045    110.329      0.180  55946.787   1013.778    129.073   1179.444      9.449     99.999 
stddev	     0.000   5710.696      0.270     20.857      1.082  10596.185      8.970     24.950    271.845      2.090      0.130