avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     8.420      0.000    237.700   5500.360      0.000  14253.480 
avg	     0.042      0.000      1.188     27.502      0.000     71.267 
stddev	     0.071      0.000      0.680      9.907      0.000     10.271 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	254220.000 2103253.910   7780.000  18756.680 1048000.000 8491434.210 170039.040  28495.210 263420.470   1895.410  19999.720 
avg	  1271.100  10516.270     38.900     93.783   5240.000  42457.171    850.195    142.476   1317.102      9.477     99.999 
stddev	  3949.022   3864.450    123.458     31.815  16286.692  14241.390    195.545      2.657    443.999      3.175      0.107