avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.290      0.000   1949.390   5111.540      0.000  12934.670 
avg	     0.021      0.000      9.747     25.558      0.000     64.673 
stddev	     0.031      0.000      1.816      4.635      0.000      4.748 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1477446.460      5.000  16143.030     20.000 6034008.290 148070.460  24541.530 298531.720   3327.980  19614.440 
avg	     0.000   7387.232      0.025     80.715      0.100  30170.041    740.352    122.708   1492.659     16.640     98.072 
stddev	     0.000   4744.445      0.211     35.499      0.843  13603.958    112.702     43.631    547.875     13.158     12.555