avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.920      0.000     23.520   6526.350      0.000   6748.210 
avg	     0.014      0.000      0.177     49.070      0.000     50.738 
stddev	     0.044      0.000      0.122     22.034      0.000     22.055 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   1059.950     43.990  13688.910    175.960 5652209.190 110022.700  19074.020 185793.760   1310.620  13299.410 
avg	     0.000      7.970      0.331    102.924      1.323  42497.813    827.238    143.414   1396.946      9.854     99.996 
stddev	     0.000      3.748      0.470     13.582      1.882   6016.022     89.322      1.023    140.302      1.301      0.116