avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.170      0.000     15.850   7056.200      0.000   6227.780 
avg	     0.001      0.000      0.119     53.054      0.000     46.825 
stddev	     0.015      0.000      0.101     18.670      0.000     18.684 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    846.000     43.000  13645.000    172.000 5520324.000 107846.090  19097.610 187284.110   1314.280  13300.400 
avg	     0.000      6.361      0.323    102.594      1.293  41506.195    810.873    143.591   1408.151      9.882    100.003 
stddev	     0.000      3.576      0.468     13.251      1.871   5175.123     76.423      0.977    174.871      1.299      0.077