avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	   132.240      0.000    766.130  18670.720      0.000    430.740 
avg	     0.661      0.000      3.831     93.354      0.000      2.154 
stddev	     0.141      0.000      2.267     11.050      0.000      9.738 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 973092.170     59.000  24392.010    236.000 3983496.990  72269.680  27459.770 233046.240   1743.340  19999.620 
avg	     0.000   4865.461      0.295    121.960      1.180  19917.485    361.348    137.299   1165.231      8.717     99.998 
stddev	     0.000   2400.020      0.527     33.638      2.109   4967.156    154.581     10.365    248.395      2.119      0.114