avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.750      0.000   2466.240   1142.970      0.000  16387.900 
avg	     0.014      0.000     12.331      5.715      0.000     81.939 
stddev	     0.025      0.000      1.818      2.915      0.000      3.428 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    292.530      0.000  17248.880      0.000 5687266.180 132004.010  18429.610 216256.360   2393.170  19975.310 
avg	     0.000      1.463      0.000     86.244      0.000  28436.331    660.020     92.148   1081.282     11.966     99.877 
stddev	     0.000      2.644      0.000     13.679      0.000   4682.490     38.202     41.309    498.446      2.838      1.871