avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.010      0.000     73.940   3410.270      0.000   9813.670 
avg	     0.015      0.000      0.556     25.641      0.000     73.787 
stddev	     0.046      0.000      0.349      8.431      0.000      8.568 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1894400.000      6.000  14998.000     24.000 7639628.000 135428.710  18670.610 167884.150   1229.310  13300.800 
avg	     0.000  14243.609      0.045    112.767      0.180  57440.812   1018.261    140.381   1262.287      9.243    100.006 
stddev	     0.000   3588.473      0.270     21.161      1.082  10805.089      6.505      7.895    212.016      2.048      0.085