avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     6.540      0.000    251.870  16721.200      0.000   3020.340 
avg	     0.033      0.000      1.259     83.606      0.000     15.102 
stddev	     0.057      0.000      0.706     23.446      0.000     23.180 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257618.000   2088.000   4534.000  18686.920 1048608.000 8435676.910 173599.340  25263.320 238513.070   1878.630  19998.720 
avg	  1288.090     10.440     22.670     93.435   5243.040  42178.385    867.997    126.317   1192.565      9.393     99.994 
stddev	  3542.966     21.642     67.716     26.302  14426.936  11847.916    157.595     27.862    395.323      2.168      0.105