avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     6.330      0.000    439.040   2985.000      0.000   9869.670 
avg	     0.048      0.000      3.301     22.444      0.000     74.208 
stddev	     0.071      0.000      1.155      9.074      0.000     10.051 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1477443.000     48.000  13088.000    192.000 6041880.000 128349.550  19036.140 198767.560   1390.920  13300.800 
avg	     0.000  11108.594      0.361     98.406      1.444  45427.669    965.034    143.129   1494.493     10.458    100.006 
stddev	     0.000   3072.165      0.480     26.299      1.921   6995.520    180.192      0.610    184.312      1.292      0.049