avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.460      0.000    347.550  12262.390      0.000    689.800 
avg	     0.003      0.000      2.613     92.198      0.000      5.186 
stddev	     0.009      0.000      3.222      7.474      0.000      5.684 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1391538.180      7.000  12374.150     28.000 5597253.310 120295.780   2792.030  30473.700   1300.160  10263.410 
avg	     0.000  10462.693      0.053     93.039      0.211  42084.611    904.480     20.993    229.126      9.776     77.168 
stddev	     0.000   4274.530      0.223     36.497      0.893  16755.693     82.143     25.040    266.677      8.494     24.551