avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.430      0.000     19.500   2128.120      0.000  11151.890 
avg	     0.003      0.000      0.147     16.001      0.000     83.849 
stddev	     0.011      0.000      0.159     17.038      0.000     17.166 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1282938.220     39.000  14785.470    156.000 5183238.730 116408.040  19063.930 219404.150   1709.520  13300.610 
avg	     0.000   9646.152      0.293    111.169      1.173  38971.720    875.248    143.338   1649.655     12.854    100.005 
stddev	     0.000   4525.577      0.487    195.431      1.949  13136.745    117.718      1.832    429.183      5.732      0.148