avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     6.440      0.000     39.960  13086.490      0.000    167.080 
avg	     0.048      0.000      0.300     98.395      0.000      1.256 
stddev	     0.061      0.000      0.231      4.069      0.000      3.924 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 969197.220     36.000  12628.090    144.000 3928408.830  87577.470  19064.500 203977.200   1461.000  13299.410 
avg	     0.000   7287.197      0.271     94.948      1.083  29536.908    658.477    143.342   1533.663     10.985     99.996 
stddev	     0.000   2884.392      0.492     25.218      1.970   4731.839    160.803      1.301    267.773      1.922      0.092