avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.910      0.000    113.140   1800.970      0.000  11382.010 
avg	     0.029      0.000      0.851     13.541      0.000     85.579 
stddev	     0.057      0.000      0.434      3.869      0.000      4.115 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1865827.700      6.000  15991.780     24.000 7531384.830 125934.120   3917.440  35161.690   1180.010  13299.810 
avg	     0.000  14028.780      0.045    120.239      0.180  56626.954    946.873     29.454    264.374      8.872     99.999 
stddev	     0.000   3127.933      0.270     28.346      1.082  12427.635     59.282      3.858     95.409      2.430      0.110