diff options
Diffstat (limited to 'tools/mm/page_owner_sort.c')
| -rw-r--r-- | tools/mm/page_owner_sort.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/tools/mm/page_owner_sort.c b/tools/mm/page_owner_sort.c index 880e36df0c11..e6954909401c 100644 --- a/tools/mm/page_owner_sort.c +++ b/tools/mm/page_owner_sort.c @@ -13,6 +13,7 @@ #include <stdio.h> #include <stdlib.h> +#include <stdbool.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> @@ -23,9 +24,6 @@ #include <linux/types.h> #include <getopt.h> -#define bool int -#define true 1 -#define false 0 #define TASK_COMM_LEN 16 struct block_list { @@ -183,7 +181,11 @@ static int compare_ts(const void *p1, const void *p2) { const struct block_list *l1 = p1, *l2 = p2; - return l1->ts_nsec < l2->ts_nsec ? -1 : 1; + if (l1->ts_nsec < l2->ts_nsec) + return -1; + if (l1->ts_nsec > l2->ts_nsec) + return 1; + return 0; } static int compare_cull_condition(const void *p1, const void *p2) @@ -669,14 +671,15 @@ int main(int argc, char **argv) { "pid", required_argument, NULL, 1 }, { "tgid", required_argument, NULL, 2 }, { "name", required_argument, NULL, 3 }, - { "cull", required_argument, NULL, 4 }, - { "sort", required_argument, NULL, 5 }, + { "cull", required_argument, NULL, 4 }, + { "sort", required_argument, NULL, 5 }, + { "help", no_argument, NULL, 'h' }, { 0, 0, 0, 0}, }; compare_flag = COMP_NO_FLAG; - while ((opt = getopt_long(argc, argv, "admnpstP", longopts, NULL)) != -1) + while ((opt = getopt_long(argc, argv, "admnpstPh", longopts, NULL)) != -1) switch (opt) { case 'a': compare_flag |= COMP_ALLOC; @@ -702,6 +705,9 @@ int main(int argc, char **argv) case 'n': compare_flag |= COMP_COMM; break; + case 'h': + usage(); + exit(0); case 1: filter = filter | FILTER_PID; fc.pids = parse_nums_list(optarg, &fc.pids_size); |