avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.070      0.000    894.270   3680.750      0.000   8723.960 
avg	     0.008      0.000      6.724     27.675      0.000     65.594 
stddev	     0.015      0.000      3.598     15.289      0.000     18.788 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2137203.290      7.000  16872.890     28.000 8613684.240 133937.200  18874.350 173448.350   2226.730  13299.810 
avg	     0.000  16069.198      0.053    126.864      0.211  64764.543   1007.047    141.912   1304.123     16.742     99.999 
stddev	     0.000   6246.968      0.255     49.457      1.019  25426.599     59.198      5.636    740.365     29.886      0.163