avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.890      0.000    306.830   6304.040      0.000   6688.350 
avg	     0.007      0.000      2.307     47.399      0.000     50.288 
stddev	     0.032      0.000      0.744     14.476      0.000     14.931 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 201627.810      3.000   6952.460     12.000 831974.650  31657.280  19140.550 365817.070   2770.530  13299.410 
avg	     0.000   1515.999      0.023     52.274      0.090   6255.448    238.025    143.914   2750.504     20.831     99.996 
stddev	     0.000    467.686      0.148      8.829      0.594   1108.859      9.921      2.175    248.481     11.978      0.126