avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.500      0.000    274.290   3794.960      0.000   9230.200 
avg	     0.004      0.000      2.062     28.534      0.000     69.400 
stddev	     0.025      0.000      0.793     10.473      0.000     11.047 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1565151.290      5.000  12333.070     20.000 6300803.490 135839.740  19002.280 204891.880   1434.040  13299.410 
avg	     0.000  11768.055      0.038     92.730      0.150  47374.462   1021.351    142.874   1540.540     10.782     99.996 
stddev	     0.000   1310.950      0.226      1.523      0.905    848.608      6.063      1.513    162.515      0.177      0.105