avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.960      0.000    107.400  13162.800      0.000     28.750 
avg	     0.007      0.000      0.808     98.968      0.000      0.216 
stddev	     0.029      0.000      0.249      0.336      0.000      0.190 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   4443.390     23.000  21793.390     92.000 2959416.690  37060.850   8087.810  49628.370    833.480  13300.150 
avg	     0.000     33.409      0.173    163.860      0.692  22251.253    278.653     60.811    373.146      6.267    100.001 
stddev	     0.000     24.899      0.378     27.437      1.513   1856.114     50.617      9.085     66.232      1.045      0.041