avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.940      0.000    990.650   6596.690      0.000  12408.650 
avg	     0.020      0.000      4.953     32.983      0.000     62.043 
stddev	     0.046      0.000      4.664      9.065      0.000      8.834 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	256218.000    468.000   5955.000  21416.640 1048692.000 10797655.290 190806.850  28767.610 236788.200   1643.760  19999.720 
avg	  1281.090      2.340     29.775    107.083   5243.460  53988.276    954.034    143.838   1183.941      8.219     99.999 
stddev	  3965.393     10.038    101.987     30.890  16249.040  15560.805    168.923      1.994    290.480      1.875      0.107