avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.720      0.000    433.870  12093.220      0.000    772.270 
avg	     0.005      0.000      3.262     90.926      0.000      5.807 
stddev	     0.010      0.000      2.825      5.918      0.000      5.307 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 865819.700     33.440   8594.570    133.760 3506269.810 115300.860  19135.330 316521.430   2519.560  13299.980 
avg	     0.000   6509.923      0.251     64.621      1.006  26362.931    866.924    143.875   2379.860     18.944    100.000 
stddev	     0.000   3136.977      0.496     45.678      1.986   9114.256    107.243      2.748    502.405      8.903      0.193