avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     9.020      0.000    339.090   5846.990      0.000  13804.980 
avg	     0.045      0.000      1.695     29.235      0.000     69.025 
stddev	     0.065      0.000      0.600      9.562      0.000      9.996 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	254062.490 1829955.450   7775.260  21553.460 1047349.980 7392427.760 134384.820  28621.090 233801.320   1680.190  20000.020 
avg	  1270.312   9149.777     38.876    107.767   5236.750  36962.139    671.924    143.105   1169.007      8.401    100.000 
stddev	  3938.435   3992.172    123.545     38.970  16244.021  11865.686    190.788      3.468    410.157      2.904      0.108