avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.870      0.000     83.120   2030.260      0.000  11185.660 
avg	     0.007      0.000      0.625     15.265      0.000     84.103 
stddev	     0.021      0.000      0.948     15.570      0.000     16.197 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2694336.150      9.000  21295.320     36.000 10867158.220 135617.450  18829.270 118287.770    844.540  13300.610 
avg	     0.000  20258.167      0.068    160.115      0.271  81707.957   1019.680    141.573    889.382      6.350    100.005 
stddev	     0.000   3465.075      0.305     16.880      1.221   8883.361     10.568      6.480     98.448      1.062      0.174