procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu-----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st
 1  1  14236 137416 220536 1849816    0    0    55    90    2    6  2  0 91  8  0
 0  1  14236 137044 220544 1850088    0    0     2   904  489  601  0  0 75 25  0
 0  1  14236 136952 220544 1850328    0    0     2   880  492  639  0  0 74 26  0
 0  1  14236 136452 220544 1850572    0    0     2   814  457  631  0  0 73 26  0
 0  1  14236 136328 220552 1850692    0    0     0   744  405  590  0  0 75 25  0