avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.630      0.000    509.360  12733.820      0.000     55.170 
avg	     0.012      0.000      3.830     95.743      0.000      0.415 
stddev	     0.030      0.000      1.496      4.439      0.000      3.654 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1097970.020      6.000  12868.590     24.000 4455132.190  92003.140   8354.150  88768.140   1571.320  12979.720 
avg	     0.000   8255.414      0.045     96.756      0.180  33497.235    691.753     62.813    667.430     11.814     97.592 
stddev	     0.000   2515.006      0.208     26.897      0.830   9461.075     58.727     41.608    484.965      7.831      7.800