avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.970      0.000    184.810  19059.460      0.000    752.710 
avg	     0.015      0.000      0.924     95.297      0.000      3.764 
stddev	     0.040      0.000      0.434      7.254      0.000      7.007 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	256558.360   3011.730   5481.150  17601.680 1048158.020 8266818.180 178052.480  26691.500 265471.590   1984.690  19999.220 
avg	  1282.792     15.059     27.406     88.008   5240.790  41334.091    890.262    133.457   1327.358      9.923     99.996 
stddev	  3715.197     25.853     91.764     24.949  15208.614  11751.957    147.155     24.097    398.769      2.444      0.104