avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.900      0.000     88.940   4224.370      0.000   8984.780 
avg	     0.014      0.000      0.669     31.762      0.000     67.555 
stddev	     0.043      0.000      0.463     11.900      0.000     12.081 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1426843.050     48.000  13594.970    192.000 5770285.940 114505.950  19019.610 188268.410   1344.010  13299.810 
avg	     0.000  10728.143      0.361    102.218      1.444  43385.609    860.947    143.005   1415.552     10.105     99.999 
stddev	     0.000   3057.600      0.525     19.728      2.101   6202.320    112.405      1.294    211.486      1.907      0.156