avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.090      0.000    117.470    597.760      0.000    884.700 
avg	     0.006      0.000      7.342     37.360      0.000     55.294 
stddev	     0.006      0.000      0.649      6.447      0.000      6.970 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000  35756.670      0.080    241.120      0.320 116938.100   9570.540    231.740   7870.060    391.370    284.930 
avg	     0.000   2234.792      0.005     15.070      0.020   7308.631    598.159     14.484    491.879     24.461     17.808 
stddev	     0.000   5601.756      0.013     30.602      0.053  15043.702    391.158     33.222    551.727     30.211     31.256