avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     5.750      0.000    216.960   6151.720      0.000  13625.610 
avg	     0.029      0.000      1.085     30.759      0.000     68.128 
stddev	     0.056      0.000      0.451     10.166      0.000     10.375 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	253895.000 1813352.310   8079.990  20777.030 1047899.960 7336835.760 139243.810  28605.800 245395.450   1749.970  20000.020 
avg	  1269.475   9066.762     40.400    103.885   5239.500  36684.179    696.219    143.029   1226.977      8.750    100.000 
stddev	  4061.002   4027.831    130.197     40.595  16764.357  12875.958    202.987      3.138    434.723      2.986      0.110