avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.410      0.000    431.980  11914.470      0.000    953.160 
avg	     0.003      0.000      3.248     89.582      0.000      7.167 
stddev	     0.012      0.000      0.756      5.912      0.000      5.843 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2125923.970      6.000  17091.980     24.000 8565042.770 133062.940  16974.660 137385.400   1153.110  13299.410 
avg	     0.000  15984.391      0.045    128.511      0.180  64398.818   1000.473    127.629   1032.973      8.670     99.996 
stddev	     0.000   7832.807      0.241     33.755      0.964  17098.656     12.839     21.401    310.808      3.656      0.105