avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.120      0.000   2484.050   8051.580      0.000   1563.190 
avg	     0.009      0.000     20.529     66.542      0.000     12.919 
stddev	     0.023      0.000      3.783     11.704      0.000     12.137 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 881580.200     30.700   9757.100    122.760 3533833.120  87735.340  19109.770 237248.920   2148.340  12083.050 
avg	     0.000   7285.787      0.254     80.637      1.015  29205.232    725.085    157.932   1960.735     17.755     99.860 
stddev	     0.000   4774.734      0.429     39.207      1.717  14929.965    177.292     29.777    562.938     13.992      1.390