avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.680      0.000    956.450    155.100      0.000  12186.830 
avg	     0.013      0.000      7.191      1.166      0.000     91.630 
stddev	     0.045      0.000      5.274      2.614      0.000      5.885 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000  33224.000      0.000   6535.000      0.000 2515416.000  34813.950   1745.980  12326.920    241.980   3286.400 
avg	     0.000    249.805      0.000     49.135      0.000  18912.902    261.759     13.128     92.684      1.819     24.710 
stddev	     0.000    424.808      0.000     76.422      0.000  30273.505    394.958     26.270    185.702      2.974     39.074