avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.110      0.000    438.870   2613.800      0.000  10345.320 
avg	     0.016      0.000      3.275     19.506      0.000     77.204 
stddev	     0.042      0.000      2.036      6.859      0.000      6.570 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    450.000      0.000  15098.290      0.000 7628319.600 135406.260  19245.400 173555.930   1244.480  13399.810 
avg	     0.000      3.358      0.000    112.674      0.000  56927.758   1010.494    143.622   1295.194      9.287     99.999 
stddev	     0.000     17.061      0.000     21.906      0.000  11083.529      8.549      0.992    251.639      2.159      0.130