avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.720      0.000    221.340  12019.820      0.000   1057.080 
avg	     0.013      0.000      1.664     90.375      0.000      7.948 
stddev	     0.019      0.000      0.245      5.911      0.000      6.011 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000     20.000      0.000  18263.000      0.000 9138070.000 133054.250  19051.680 140177.140    999.880  13300.800 
avg	     0.000      0.150      0.000    137.316      0.000  68707.293   1000.408    143.246   1053.963      7.518    100.006 
stddev	     0.000      0.594      0.000     16.323      0.000   8248.909      9.057      0.680    143.191      2.085      0.110