avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.360      0.000    517.970   5893.590      0.000   6888.190 
avg	     0.003      0.000      3.895     44.313      0.000     51.791 
stddev	     0.013      0.000      0.830      5.026      0.000      4.821 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1182752.470     41.000  11911.480    164.000 4762996.630 108381.760   4839.140  55017.470   1615.170  13199.010 
avg	     0.000   8892.876      0.308     89.560      1.233  35812.005    814.900     36.385    413.665     12.144     99.241 
stddev	     0.000   1991.104      0.508     24.830      2.033   9122.871    142.377     22.360    286.084      4.282      1.617