avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.670      0.000   1969.830   3699.690      0.000   7627.860 
avg	     0.020      0.000     14.811     27.817      0.000     57.352 
stddev	     0.027      0.000     11.844     32.546      0.000     30.237 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000  74873.120      0.000  15454.470      0.000 5779429.110 103282.790   5000.380  50391.770   1521.230   9930.090 
avg	     0.000    562.956      0.000    116.199      0.000  43454.354    776.562     37.597    378.885     11.438     74.662 
stddev	     0.000    301.204      0.000     57.813      0.000  19201.729    222.953     29.866    333.012     24.042     25.421