如何找出内存泄露的程序

root@linux:~# vmstat 3
procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu-----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st
 0  0      0 7047444  10788 872936    0    0   264    95  108   98  0  0 99  1  0
 0  0      0 7042976  10788 876956    0    0     0     0 1307 1836  3  1 97  0  0
 0  0      0 7039280  10796 880596    0    0     0  1941 1536 2961  1  1 97  1  0
 ……
 0  0      0 6940324  14836 970724    0    0     0     3  157  359  0  0 100  0  0
 0  0      0 6940452  14844 970724    0    0     0   235  233  348  0  0 98  2  0
 2  0      0 6940452  14844 970724    0    0     0     0  147  335  0  0 100  0  0
 0  0      0 6940292  14852 970724    0    0     0     5  142  330  0  0 100  0  0
 0  0      0 6940292  14860 970724    0    0     0     4  155  343  0  0 100  0  0
 0  0      0 6940292  14860 970724    0    0     0     3  136  317  0  0 100  0  0
 0  0      0 6940292  14868 970724    0    0     0    12  144  327  0  0 100  0  0
 0  0      0 6940292  14868 970724    0    0     0    15  146  319  0  0 100  0  0
 0  0      0 6940324  14876 970728    0    0     0     4  148  335  0  0 100  0  0
 0  0      0 6940324  14884 970728    0    0     0     7  169  354  0  0 100  0  0
 0  0      0 6940324  14884 970728    0    0     0     0  143  357  0  0 100  0  0
 1  0      0 6940200  14892 970728    0    0     0     4  155  339  0  0 100  0  0
 0  0      0 6940200  14892 970728    0    0     0     3  157  359  0  0 100  0  0
 0  0      0 6940232  14900 970728    0    0     0     7  162  353  0  0 100  0  0
 0  0      0 6940232  14908 970728    0    0     0     8  227  456  0  0 99  0  0
 0  0      0 6940232  14908 970732    0    0     0   149  254  400  0  0 98  1  0
 0  0      0 6940232  14916 970732    0    0     0     9  163  344  0  0 100  0  0
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 6940108  14916 970732    0    0     0     0  140  299  0  0 100  0  0
 0  0      0 6940108  14924 970732    0    0     0     8  154  342  0  0 100  0  0
 0  0      0 6940016  14932 970732    0    0     0     8  165  354  0  0 99  0  0
 0  0      0 6940016  14932 970732    0    0     0     8  138  304  0  0 100  0  0
 0  0      0 6940016  14940 970736    0    0     0     4  145  323  0  0 100  0  0
 0  0      0 6940016  14940 970736    0    0     0     3  135  328  0  0 100  0  0
 0  0      0 6939892  14948 970736    0    0     0     7  151  319  0  0 100  0  0
 0  0      0 6939924  14956 970736    0    0     0     7  149  324  0  0 99  0  0
 0  0      0 6939924  14956 970736    0    0     0     3  129  302  0  0 100  0  0
 0  0      0 6939924  14964 970736    0    0     0     9  150  365  0  0 100  0  0
 0  0      0 6939924  14964 970736    0    0     0    89  169  310  0  0 99  1  0
 0  0      0 6939800  14972 970736    0    0     0     5  141  329  0  0 99  0  0
 0  0      0 6939832  14980 970736    0    0     0     7  141  306  0  0 100