avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.360      0.000    488.900  12737.320      0.000     73.530 
avg	     0.003      0.000      3.676     95.769      0.000      0.553 
stddev	     0.018      0.000      0.846      1.527      0.000      1.303 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     4.000   7090.000     45.000  24834.000    196.000 7468244.000  81737.880   3464.010  20395.220    781.310  13300.000 
avg	     0.030     53.308      0.338    186.722      1.474  56152.211    614.571     26.045    153.348      5.875    100.000 
stddev	     0.346     49.491      1.617     53.912      7.669  13049.917     85.841      3.271     59.182      1.913      0.069