avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.270      0.000    104.990  10440.400      0.000   2754.370 
avg	     0.002      0.000      0.789     78.499      0.000     20.710 
stddev	     0.017      0.000      0.362     21.352      0.000     21.407 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1290594.000     42.000  13467.000    168.000 5224908.000 110544.890  19040.340 194995.820   1372.330  13300.800 
avg	     0.000   9703.714      0.316    101.256      1.263  39285.023    831.165    143.160   1466.134     10.318    100.006 
stddev	     0.000   3061.048      0.481     32.111      1.923   8281.724    200.914      0.936    231.788      1.554      0.049