avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.370      0.000    231.040   5183.650      0.000   7884.920 
avg	     0.003      0.000      1.737     38.975      0.000     59.285 
stddev	     0.025      0.000      0.718     13.815      0.000     14.417 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    136.000      5.000   6205.000     20.000 719156.000  29193.070  19092.630 436702.660   6496.370  13300.400 
avg	     0.000      1.023      0.038     46.654      0.150   5407.188    219.497    143.554   3283.479     48.845    100.003 
stddev	     0.000      0.827      0.190     16.305      0.761   1998.446     47.194      2.781   1299.365    129.106      0.077