avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.590      0.000   1126.740     14.600      0.000  12158.030 
avg	     0.004      0.000      8.472      0.110      0.000     91.414 
stddev	     0.008      0.000      1.818      0.295      0.000      1.856 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000  17023.740      0.000  47493.950      0.000 4172171.730  29193.100    878.260   8645.150    306.420   5050.620 
avg	     0.000    127.998      0.000    357.097      0.000  31369.712    219.497      6.603     65.001      2.304     37.975 
stddev	     0.000    117.390      0.000    113.248      0.000   7411.768    178.202     18.629    240.068      8.094     21.959