avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.400      0.000   1146.470   9994.960      0.000   7056.230 
avg	     0.013      0.000      6.299     54.917      0.000     38.770 
stddev	     0.026      0.000      1.453      8.034      0.000      8.437 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1808912.080     59.220  17036.180    236.870 7303735.440 157119.390  21048.180 236338.650   2893.450  17390.800 
avg	     0.000   9939.077      0.325     93.605      1.301  40130.415    863.293    115.649   1298.564     15.898     95.554 
stddev	     0.000   7014.107      0.464     47.859      1.857  22293.855    263.682     42.692    641.466     16.324     13.644