avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.490      0.000     59.430   7889.790      0.000   5350.350 
avg	     0.004      0.000      0.447     59.322      0.000     40.228 
stddev	     0.019      0.000      0.221     16.543      0.000     16.548 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1673113.060      6.000  13621.190     24.000 6753601.470 131781.970  18792.340 184596.120   1337.210  13299.810 
avg	     0.000  12579.797      0.045    102.415      0.180  50778.958    990.842    141.296   1387.941     10.054     99.999 
stddev	     0.000   2513.545      0.270     16.419      1.082   8248.827     12.228      3.181    166.067      1.862      0.139