avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.110      0.000    963.430  18971.030      0.000     63.390 
avg	     0.011      0.000      4.817     94.855      0.000      0.317 
stddev	     0.035      0.000      3.811      4.143      0.000      1.944 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257827.000    539.000   4347.000  24241.200 1048696.000 10755700.040 169978.360  28711.720 210521.740   1490.480  19999.610 
avg	  1289.135      2.695     21.735    121.206   5243.480  53778.500    849.892    143.559   1052.609      7.452     99.998 
stddev	  3586.216     12.093     61.440     38.469  14588.213  16988.620    113.250      1.104    268.584      1.829      0.069