avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.250      0.000    106.930   1657.300      0.000  11535.470 
avg	     0.002      0.000      0.804     12.461      0.000     86.733 
stddev	     0.015      0.000      0.398      2.980      0.000      3.113 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1576724.480     52.000  14146.850    208.000 6370769.740 122760.380   6589.190  64337.530   1330.130  13299.810 
avg	     0.000  11855.071      0.391    106.367      1.564  47900.524    923.010     49.543    483.741     10.001     99.999 
stddev	     0.000   2435.816      0.546     25.879      2.185  10186.436    168.555     12.765    163.447      2.717      0.121