avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.960      0.000   1360.960   6294.120      0.000   5643.860 
avg	     0.007      0.000     10.233     47.324      0.000     42.435 
stddev	     0.021      0.000      4.141     17.407      0.000     21.265 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2089492.000      6.000  16531.000     24.000 8434256.000 135455.760  18958.440 155651.710   1145.520  13300.800 
avg	     0.000  15710.466      0.045    124.293      0.180  63415.459   1018.464    142.545   1170.314      8.613    100.006 
stddev	     0.000   3750.176      0.270     26.113      1.082  13635.734     10.315      2.184    238.928      2.899      0.120