avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    26.110      0.000   1069.160  12628.210      0.000     76.620 
avg	     0.189      0.000      7.748     91.509      0.000      0.555 
stddev	     0.054      0.000      2.392      4.484      0.000      4.337 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1740477.000     57.000  17424.000    228.000 7084404.000 115388.350  19908.490 161908.400   1243.500  13781.200 
avg	     0.000  12612.152      0.413    126.261      1.652  51336.261    836.147    144.264   1173.249      9.011     99.864 
stddev	     0.000   5888.503      0.507     43.255      2.028  15917.971    152.610     17.218    326.804      3.665      1.631