avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.000      0.000    643.540  12386.070      0.000    269.400 
avg	     0.008      0.000      4.839     93.128      0.000      2.026 
stddev	     0.016      0.000      1.593      5.053      0.000      3.946 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2082625.080      9.000  16966.610     36.000 8408991.800 131528.870   6966.460  54395.830   1067.910  12837.810 
avg	     0.000  15658.835      0.068    127.568      0.271  63225.502    988.939     52.379    408.991      8.029     96.525 
stddev	     0.000   3469.747      0.251     26.332      1.005  13351.276     38.969     42.029    337.474      2.811      9.262