avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     5.810      0.000    918.980   1172.300      0.000  17902.790 
avg	     0.029      0.000      4.595      5.862      0.000     89.514 
stddev	     0.023      0.000      1.927      2.475      0.000      4.294 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	253925.000 4226256.570   8075.990  33476.250 1048003.960 17047643.800 194820.130  28679.270 158449.470   1099.960  19999.710 
avg	  1269.625  21131.283     40.380    167.381   5240.020  85238.219    974.101    143.396    792.247      5.500     99.999 
stddev	  5346.551   5289.807    169.199     40.088  22058.209  20533.611    163.919      3.060    337.313      1.218      0.079