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Diffstat (limited to 'samples/bpf/tracex4_user.c')
-rw-r--r--samples/bpf/tracex4_user.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/samples/bpf/tracex4_user.c b/samples/bpf/tracex4_user.c
index e8faf8f184ae..a5145ad72cbf 100644
--- a/samples/bpf/tracex4_user.c
+++ b/samples/bpf/tracex4_user.c
@@ -8,7 +8,6 @@
#include <stdbool.h>
#include <string.h>
#include <time.h>
-#include <sys/resource.h>
#include <bpf/bpf.h>
#include <bpf/libbpf.h>
@@ -32,7 +31,7 @@ static void print_old_objects(int fd)
__u64 key, next_key;
struct pair v;
- key = write(1, "\e[1;1H\e[2J", 12); /* clear screen */
+ key = write(1, "\e[1;1H\e[2J", 11); /* clear screen */
key = -1;
while (bpf_map_get_next_key(fd, &key, &next_key) == 0) {
@@ -48,19 +47,13 @@ static void print_old_objects(int fd)
int main(int ac, char **argv)
{
- struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
struct bpf_link *links[2];
struct bpf_program *prog;
struct bpf_object *obj;
char filename[256];
- int map_fd, i, j = 0;
+ int map_fd, j = 0;
- if (setrlimit(RLIMIT_MEMLOCK, &r)) {
- perror("setrlimit(RLIMIT_MEMLOCK, RLIM_INFINITY)");
- return 1;
- }
-
- snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ snprintf(filename, sizeof(filename), "%s.bpf.o", argv[0]);
obj = bpf_object__open_file(filename, NULL);
if (libbpf_get_error(obj)) {
fprintf(stderr, "ERROR: opening BPF object file failed\n");
@@ -89,7 +82,7 @@ int main(int ac, char **argv)
j++;
}
- for (i = 0; ; i++) {
+ while (1) {
print_old_objects(map_fd);
sleep(1);
}