avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     9.110      0.000  12790.780    112.000      0.000    287.960 
avg	     0.069      0.000     96.900      0.848      0.000      2.182 
stddev	     0.071      0.000      4.170      1.676      0.000      3.109 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2596589.620     12.000  23762.120     48.000 10469379.860 117371.460   4667.220  26244.670    571.980  10141.820 
avg	     0.000  19671.133      0.091    180.016      0.364  79313.484    889.178     35.358    198.823      4.333     76.832 
stddev	     0.000   8636.020      0.313     38.962      1.251  16334.695    115.297     25.422    121.835      0.724     15.056