avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.400      0.000     70.690   3031.760      0.000  16895.110 
avg	     0.012      0.000      0.353     15.159      0.000     84.476 
stddev	     0.040      0.000      0.325      6.498      0.000      6.679 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	256369.000   9419.850   5718.000  18709.200 1048348.000 734303.720  23336.990    104.160    751.110    119.140   2153.360 
avg	  1281.845     47.099     28.590     93.546   5241.740   3671.519    116.685      0.521      3.756      0.596     10.767 
stddev	  4299.538     58.716    103.675     43.405  17586.834    836.955    113.729      0.665      1.857      0.847     25.560