avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.970      0.000     59.020   7763.190      0.000   5476.800 
avg	     0.007      0.000      0.444     58.370      0.000     41.179 
stddev	     0.029      0.000      0.216     17.646      0.000     17.677 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1683098.620      6.000  13716.810     24.000 6792488.360 131667.270  18585.430 181626.850   1324.630  13299.410 
avg	     0.000  12654.877      0.045    103.134      0.180  51071.341    989.979    139.740   1365.615      9.960     99.996 
stddev	     0.000   2753.520      0.270     15.746      1.082   7829.200     12.350      5.248    164.189      1.783      0.116