procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st
 1  0      0 803444  49984 124916    0    0    87    17 1006   57 47 23 28  1  0
 1  0      0 803444  49984 124940    0    0     0   104  992   59 75 25  0  0  0
 1  0      0 803444  49984 124940    0    0     0     0  839   35 73 27  0  0  0
 1  0      0 803444  49984 124940    0    0     0     0  903   35 78 22  0  0  0
 2  0      0 803444  49984 124940    0    0     0     0  722   22 78 22  0  0  0
