procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
 2  2      0 133908  31200  70236    0    0    26  4585  185  177 22  4 61 14
 2  2      0 133908  31200  70236    0    0     0 15936  354  488  0  2  0 98
 1  2      0 133908  31200  70236    0    0     0 16064  356  514  0  1  0 99
 1  2      0 133908  31200  70236    0    0     0 16000  354  496  0  1  0 99
 2  2      0 133908  31200  70236    0    0     0 15872  350  481  0  3  0 97
 2  2      0 133908  31200  70236    0    0     0 15872  350  477  0  3  0 97
 2  2      0 133908  31208  70236    0    0     0 15984  357  507  0  2  0 98
 2  2      0 133908  31208  70236    0    0     0 15872  352  481  0  4  0 96
 3  2      0 133908  31208  70236    0    0     0 15872  351  469  0  2  0 98
 3  2      0 133908  31208  70236    0    0     0 16000  355  500  0  1  0 99