avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    21.950      0.000    610.690  13015.830      0.000     51.600 
avg	     0.160      0.000      4.458     95.006      0.000      0.377 
stddev	     0.051      0.000      0.628      2.363      0.000      2.478 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000     96.970      0.000  17234.030      0.000 8363727.610 133224.070  18847.580 158658.230   1335.380  13699.410 
avg	     0.000      0.708      0.000    125.796      0.000  61049.107    972.438    137.574   1158.089      9.747     99.996 
stddev	     0.000      1.245      0.000     45.102      0.000  21935.117     37.999     14.373    381.077      5.436      0.124