avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     7.190      0.000   1062.600   6177.590      0.000  12752.570 
avg	     0.036      0.000      5.313     30.888      0.000     63.763 
stddev	     0.031      0.000      2.848     16.599      0.000     19.254 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	1834481.910     11.000  14456.370  41837.940 924474.810 21205919.580 193589.020  28647.020 125709.510    873.840  20000.190 
avg	  9172.410      0.055     72.282    209.190   4622.374 106029.598    967.945    143.235    628.548      4.369    100.001 
stddev	 40375.131      0.335    317.925     42.457  20346.733  21547.407    190.440      1.407    129.473      0.862      0.081