procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st
 2  0      0 802956  50016 125208    0    0    81    17 1006   56 48 24 27  1  0
 1  0      0 802956  50016 125212    0    0     0     0 1031   52 70 30  0  0  0
 1  0      0 802956  50016 125212    0    0     0   104  804   48 67 33  0  0  0
 1  0      0 802956  50016 125212    0    0     0     0  958   35 80 20  0  0  0
 1  0      0 802956  50016 125212    0    0     0     0  886   43 62 38  0  0  0
