avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.240      0.000    562.060   5116.100      0.000   7621.670 
avg	     0.002      0.000      4.226     38.467      0.000     57.306 
stddev	     0.015      0.000      0.811      4.824      0.000      5.072 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    349.000      0.000  15443.620      0.000 7729613.940 133116.640   6023.130  54108.920   1200.700  13299.810 
avg	     0.000      2.624      0.000    116.117      0.000  58117.398   1000.877     45.287    406.834      9.028     99.999 
stddev	     0.000     14.861      0.000     23.045      0.000  11578.092     11.850      7.933    131.509      2.125      0.130