avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     8.610      0.000    404.660   8981.730      0.000  10604.990 
avg	     0.043      0.000      2.023     44.909      0.000     53.025 
stddev	     0.061      0.000      0.730     11.010      0.000     11.369 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	258042.000    225.000   4120.000  22140.710 1048648.000 11307512.990 194452.930  28690.400 228977.740   1599.140  20000.210 
avg	  1290.210      1.125     20.600    110.704   5243.240  56537.565    972.265    143.452   1144.889      7.996    100.001 
stddev	  3765.345      2.789     59.828     32.201  15300.821  16457.358    137.595      1.621    283.016      1.577      0.065