procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
 4  1      0  22688 123432  69172    0    0     7    78   45   21  3  0 96  1
 4  2      0  22680 123432  69180    0    0     0 15872  249  461 34 66  0  0
 4  2      0  22680 123432  69180    0    0     0 15872  247  468 37 63  0  0
 4  2      0  22680 123432  69180    0    0     0 15872  251  472 38 62  0  0
 4  2      0  22680 123432  69180    0    0     0 16000  252  495 43 57  0  0
 4  2      0  22680 123432  69180    0    0     0 15872  252  471 32 68  0  0
 3  2      0  22680 123440  69180    0    0     0 15984  251  516 73 27  0  0
 3  1      0  22680 123440  69180    0    0     0 15872  250  482 33 67  0  0
 4  2      0  22620 123440  69180    0    0     0 15872  251  467 30 70  0  0
 4  2      0  22620 123440  69180    0    0     0 15872  250  460 45 55  0  0