avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.640      0.000    469.900  12828.620      0.000      0.840 
avg	     0.005      0.000      3.533     96.456      0.000      0.006 
stddev	     0.013      0.000      1.053      1.052      0.000      0.032 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1553770.000     52.000  17167.000    208.000 6279888.000  98443.020  19065.590 155036.720   1183.650  13300.400 
avg	     0.000  11682.481      0.391    129.075      1.564  47217.203    740.173    143.350   1165.690      8.900    100.003 
stddev	     0.000   5435.880      0.623     42.805      2.493  19432.899    216.118      1.959    334.003      3.974      0.035