avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.050      0.000     56.220   4601.880      0.000  11538.950 
avg	     0.019      0.000      0.347     28.407      0.000     71.228 
stddev	     0.049      0.000      0.352     11.498      0.000     11.431 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000      2.000      0.000   2247.950      0.000 254754.150  33787.480      2.430    111.570     74.260    140.900 
avg	     0.000      0.012      0.000     13.876      0.000   1572.556    208.565      0.015      0.689      0.458      0.870 
stddev	     0.000      0.110      0.000      7.587      0.000   1857.679    216.021      0.044      1.040      0.549      1.802