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 1937316  50192 1167144    0    0     0    15    3    5  2  1 96  0  0	
 1  0      0 1937308  50200 1167140    0    0     0    16  429 121146  0  1 99  0  0	
 2  0      0 1937308  50200 1167144    0    0     0     0  104 119952  0  4 96  0  0	
 2  0      0 1937300  50200 1167144    0    0     0     0  748 74010  1  1 98  0  0	
 2  0      0 1937308  50200 1167144    0    0     0     0   35 159852  1  2 97  0  0	
 1  0      0 1937308  50200 1167144    0    0     0     0   31 177188  0  0 100  0  0	
 2  0      0 1937308  50200 1167144    0    0     0    36   37 177326  0  0 100  0  0	
 1  0      0 1937308  50200 1167144    0    0     0     0  503 141116  0  2 98  0  0	
 1  0      0 1937308  50200 1167144    0    0     0     0  244 105976  1  0 99  0  0	
 2  0      0 1937308  50200 1167144    0    0     0     0   39 129754  0  2 98  0  0