avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.250      0.000    509.540   3292.820      0.000   9497.440 
avg	     0.002      0.000      3.831     24.758      0.000     71.409 
stddev	     0.015      0.000      3.382      8.538      0.000      8.584 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    279.000      0.000  12335.000      0.000 6220088.000 134136.700  19099.630 206340.940   1435.240  13300.800 
avg	     0.000      2.098      0.000     92.744      0.000  46767.579   1008.547    143.606   1551.436     10.791    100.006 
stddev	     0.000     11.452      0.000      2.396      0.000   1266.474     10.607      0.794    197.732      0.282      0.069