avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    66.140      0.000     79.880   1987.160      0.000  11166.750 
avg	     0.497      0.000      0.601     14.941      0.000     83.961 
stddev	     0.075      0.000      0.216      4.570      0.000      4.591 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1261812.700     43.010  12340.080    172.040 5089188.470 110967.420  25406.040 274919.260   1459.840  13300.230 
avg	     0.000   9487.314      0.323     92.783      1.294  38264.575    834.342    191.023   2067.062     10.976    100.002 
stddev	     0.000   3147.490      0.514     14.161      2.055   4079.933    107.714      0.479    222.570      1.590      0.189