avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.720      0.000    770.050   3806.570      0.000   8722.630 
avg	     0.005      0.000      5.790     28.621      0.000     65.584 
stddev	     0.013      0.000      3.140     15.606      0.000     18.592 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2183935.810      7.000  17251.500     28.000 8803773.470 134521.190  18918.350 169245.160   1943.610  13300.210 
avg	     0.000  16420.570      0.053    129.711      0.211  66193.785   1011.438    142.243   1272.520     14.614    100.002 
stddev	     0.000   6644.887      0.283     51.709      1.131  26567.122     42.797      4.537    685.020     23.065      0.191