avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.940      0.000    698.670   5341.710      0.000   7257.740 
avg	     0.015      0.000      5.253     40.163      0.000     54.569 
stddev	     0.029      0.000      1.750     11.581      0.000     12.370 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1186078.790      6.000   9551.190     24.000 4796242.020 132115.960   7796.460 104078.570   2801.950  11933.410 
avg	     0.000   8917.886      0.045     71.813      0.180  36061.970    993.353     58.620    782.546     21.067     89.725 
stddev	     0.000   5673.316      0.208     23.724      0.830  12041.671     91.364     38.846    536.125     85.511     20.146