avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.320      0.000    255.720   3803.250      0.000   9240.700 
avg	     0.002      0.000      1.923     28.596      0.000     69.479 
stddev	     0.016      0.000      0.650      8.572      0.000      9.015 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1563746.290      5.000  12328.060     20.000 6298206.420 135837.580  19014.070 205594.650   1434.700  13299.810 
avg	     0.000  11757.491      0.038     92.692      0.150  47354.935   1021.335    142.963   1545.824     10.787     99.999 
stddev	     0.000   1276.692      0.226      1.591      0.905    911.247      6.008      1.013    143.658      0.189      0.121