avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.320      0.000     95.600   8033.180      0.000   5170.920 
avg	     0.002      0.000      0.719     60.400      0.000     38.879 
stddev	     0.019      0.000      0.352     23.299      0.000     23.420 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000     81.000      0.000  12275.000      0.000 6092550.500 132083.060  19099.810 207174.670   1442.860  13300.800 
avg	     0.000      0.609      0.000     92.293      0.000  45808.650    993.106    143.608   1557.704     10.849    100.006 
stddev	     0.000      1.096      0.000      3.147      0.000   1567.046     28.706      2.279    133.893      0.372      0.069