avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.610      0.000    191.580   3121.050      0.000  16683.800 
avg	     0.018      0.000      0.958     15.605      0.000     83.419 
stddev	     0.050      0.000      0.367      5.358      0.000      5.617 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257368.000   3875.000   4839.000  25118.200 1048828.000 10872844.750 166368.080   2247.160  16139.650   1435.310  19999.410 
avg	  1286.840     19.375     24.195    125.591   5244.140  54364.224    831.840     11.236     80.698      7.177     99.997 
stddev	  3689.666     55.681     77.344     39.383  15049.509  16331.787    123.725      1.524     23.932      1.704      0.092