avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    25.450      0.000   1125.830  12554.650      0.000     94.070 
avg	     0.184      0.000      8.158     90.976      0.000      0.682 
stddev	     0.061      0.000      1.624      3.631      0.000      3.432 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1787134.000      7.000  14996.000     28.000 7276256.000 132329.290  18106.930 195761.470   1774.130  13770.800 
avg	     0.000  12950.246      0.051    108.667      0.203  52726.493    958.908    131.210   1418.561     12.856     99.788 
stddev	     0.000   8779.442      0.278     50.702      1.111  25602.746     67.872     26.434    780.619      9.432      2.550