avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.130      0.000    440.210   3896.260      0.000   8963.500 
avg	     0.001      0.000      3.310     29.295      0.000     67.395 
stddev	     0.011      0.000      0.690      5.500      0.000      5.541 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    350.000      0.000  15373.820      0.000 7858492.330 135968.060  18651.890 163201.190   1196.500  13299.830 
avg	     0.000      2.632      0.000    115.593      0.000  59086.408   1022.316    140.240   1227.077      8.996     99.999 
stddev	     0.000     14.955      0.000     20.900      0.000  10705.499      8.215      2.756    189.743      1.943      0.158