avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.220      0.000    189.180   6491.660      0.000  13315.940 
avg	     0.016      0.000      0.946     32.458      0.000     66.580 
stddev	     0.045      0.000      0.448     11.569      0.000     11.654 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257923.000   1773.990   4240.000  20549.710 1048652.000 10240188.950 189457.290  22404.500 193360.070   1732.040  19999.610 
avg	  1289.615      8.870     21.200    102.749   5243.260  51200.945    947.286    112.022    966.800      8.660     99.998 
stddev	  3643.494     55.769     60.430     30.725  14812.613  15381.027    134.989     26.814    320.313      2.086      0.078