diff options
Diffstat (limited to 'samples/bpf/tracex2_user.c')
| -rw-r--r-- | samples/bpf/tracex2_user.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/samples/bpf/tracex2_user.c b/samples/bpf/tracex2_user.c index ded9804c5034..7321a3f253c9 100644 --- a/samples/bpf/tracex2_user.c +++ b/samples/bpf/tracex2_user.c @@ -4,6 +4,7 @@ #include <signal.h> #include <linux/bpf.h> #include <string.h> +#include <sys/resource.h> #include "libbpf.h" #include "bpf_load.h" @@ -112,6 +113,7 @@ static void int_exit(int sig) int main(int ac, char **argv) { + struct rlimit r = {1024*1024, RLIM_INFINITY}; char filename[256]; long key, next_key, value; FILE *f; @@ -119,7 +121,13 @@ int main(int ac, char **argv) snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); + if (setrlimit(RLIMIT_MEMLOCK, &r)) { + perror("setrlimit(RLIMIT_MEMLOCK)"); + return 1; + } + signal(SIGINT, int_exit); + signal(SIGTERM, int_exit); /* start 'ping' in the background to have some kfree_skb events */ f = popen("ping -c5 localhost", "r"); |