avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.590      0.000    982.260   6777.210      0.000  12036.050 
avg	     0.023      0.000      4.961     34.228      0.000     60.788 
stddev	     0.052      0.000      4.498     11.262      0.000     10.518 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	248553.000    487.000   4056.000  21870.930 1010684.000 11031773.070 190192.520  28447.630 227767.320   1596.750  19799.820 
avg	  1255.318      2.460     20.485    110.459   5104.465  55716.026    960.568    143.675   1150.340      8.064     99.999 
stddev	  3602.809     13.198     59.251     32.605  14650.792  16480.778    137.522      1.341    274.093      1.748      0.101