avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.500      0.000   1471.660   3230.590      0.000  15294.220 
avg	     0.018      0.000      7.358     16.153      0.000     76.471 
stddev	     0.031      0.000      1.033      5.210      0.000      5.355 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    981.910      3.000  14989.580     12.000 6702097.410 178643.300  29364.730 392942.050   2810.880  19999.830 
avg	     0.000      4.910      0.015     74.948      0.060  33510.487    893.216    146.824   1964.710     14.054     99.999 
stddev	     0.000      6.938      0.157     11.642      0.630   5315.953     29.739     32.331    443.372      7.192      0.204