avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.390      0.000    253.060    116.280      0.000  12930.220 
avg	     0.003      0.000      1.903      0.874      0.000     97.220 
stddev	     0.011      0.000      1.545      1.512      0.000      2.680 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 847733.760     53.990   8805.360    215.960 3426029.900  61567.590   2534.610  20105.110    522.990   5332.760 
avg	     0.000   6373.938      0.406     66.206      1.624  25759.623    462.914     19.057    151.166      3.932     40.096 
stddev	     0.000   7848.449      0.491     80.440      1.964  28596.846    427.790     28.764    222.567      4.043     43.381