avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.430      0.000   2672.100  17252.210      0.000     73.170 
avg	     0.012      0.000     13.360     86.261      0.000      0.366 
stddev	     0.024      0.000      0.975      1.297      0.000      0.907 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1606053.310     52.220  16893.320    208.860 6569132.110 154845.980  22793.250 271605.850   3014.820  19521.050 
avg	     0.000   8030.267      0.261     84.467      1.044  32845.661    774.230    113.966   1358.029     15.074     97.605 
stddev	     0.000   6036.968      0.435     35.218      1.741  15463.073    162.332     34.362    521.117     10.478      8.343