procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
 8  1      0   8260  64260 117276    0    0    18  2481  239  279 44  7 44  5
 8  2      0   8200  64260 117276    0    0     0 15920  361  510 89 11  0  0
 9  2      0   8200  64268 117276    0    0     0 16100  362  511 89 11  0  0
 9  2      0   8200  64268 117276    0    0     0 16000  353  495 85 15  0  0
 8  2      0   8200  64268 117276    0    0     0 16000  352  502 90 10  0  0
 9  2      0   8200  64268 117276    0    0     0 15872  350  494 88 12  0  0
 8  2      0   8200  64268 117276    0    0     0 15872  350  497 91  9  0  0
 9  2      0   8200  64268 117276    0    0     0 15872  353  471 75 25  0  0
 8  2      0   8200  64276 117276    0    0     0 15956  356  521 88 12  0  0
 9  2      0   8200  64276 117276    0    0     0 16000  353  516 92  8  0  0