avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    54.060      0.000    150.650   2902.960      0.000  10192.350 
avg	     0.406      0.000      1.133     21.827      0.000     76.634 
stddev	     0.104      0.000      0.334      3.298      0.000      3.368 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000      2.000      0.000  13158.040      0.000 5993645.100 121157.260  24906.820 253405.640   1358.790  13299.810 
avg	     0.000      0.015      0.000     98.933      0.000  45065.001    910.957    187.269   1905.306     10.216     99.999 
stddev	     0.000      0.122      0.000     10.371      0.000   4786.173     11.810      0.736    192.524      1.049      0.121