avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.090      0.000   1365.110   1095.110      0.000  17535.590 
avg	     0.020      0.000      6.826      5.476      0.000     87.678 
stddev	     0.036      0.000      3.100      1.013      0.000      3.279 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    942.000      0.000  41075.820      0.000 21012228.740 204608.670  28787.380 140221.010    974.210  19999.240 
avg	     0.000      4.710      0.000    205.379      0.000 105061.144   1023.043    143.937    701.105      4.871     99.996 
stddev	     0.000     25.965      0.000      4.639      0.000   2634.361      5.352      1.344     21.679      0.113      0.176