avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.840      0.000   2539.230  10515.660      0.000    244.250 
avg	     0.006      0.000     19.092     79.065      0.000      1.836 
stddev	     0.020      0.000      0.579      0.642      0.000      0.300 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    220.000      0.000  11622.000      0.000 5564024.000 127336.040   3691.080  42344.200   1526.510  13300.800 
avg	     0.000      1.654      0.000     87.383      0.000  41834.767    957.414     27.752    318.377     11.478    100.006 
stddev	     0.000      9.139      0.000      4.629      0.000   2392.467     18.442      5.935     71.589      0.636      0.110