avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.690      0.000   1063.500   1361.710      0.000  17271.050 
avg	     0.019      0.000      5.398      6.912      0.000     87.670 
stddev	     0.036      0.000      4.541      2.783      0.000      5.321 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    833.160      0.000  45079.450      0.000 20924520.530 182917.100  28352.740 124015.600    861.880  19700.730 
avg	     0.000      4.229      0.000    228.830      0.000 106215.840    928.513    143.923    629.521      4.375    100.004 
stddev	     0.000     21.422      0.000      7.229      0.000   3197.330     15.714      0.966     19.902      0.138      0.090