avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.220      0.000    135.810   2830.210      0.000  10333.770 
avg	     0.002      0.000      1.021     21.280      0.000     77.698 
stddev	     0.013      0.000      0.707      9.100      0.000      9.399 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1596848.520     52.990  14328.300    211.960 6457937.150 122759.050  18936.340 180592.570   1319.600  13299.810 
avg	     0.000  12006.380      0.398    107.732      1.594  48555.918    923.000    142.378   1357.839      9.922     99.999 
stddev	     0.000   4618.999      0.534     28.162      2.134   9448.441    136.722      3.296    277.858      2.696      0.121