avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.470      0.000     76.930   7925.660      0.000   5296.970 
avg	     0.004      0.000      0.578     59.591      0.000     39.827 
stddev	     0.024      0.000      0.258     18.150      0.000     18.197 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1333678.000     43.000  13439.000    172.000 5383028.000 111761.210  19072.550 192709.320   1359.710  13300.400 
avg	     0.000  10027.654      0.323    101.045      1.293  40473.895    840.310    143.403   1448.942     10.223    100.003 
stddev	     0.000   3332.830      0.484     26.143      1.934   5835.206    169.938      1.095    192.721      1.451      0.035