avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.550      0.000    226.780   5905.830      0.000   7166.840 
avg	     0.004      0.000      1.705     44.405      0.000     53.886 
stddev	     0.028      0.000      0.618     14.069      0.000     14.510 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000      6.000      3.000   5649.000     12.000 660116.000  31024.060  19095.210 452643.710   3277.980  13300.800 
avg	     0.000      0.045      0.023     42.474      0.090   4963.278    233.264    143.573   3403.336     24.646    100.006 
stddev	     0.000      0.208      0.259      8.125      1.037    971.520      4.169      3.061    360.899      6.209      0.163