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-rw-r--r--samples/bpf/tracex3_user.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/samples/bpf/tracex3_user.c b/samples/bpf/tracex3_user.c
index 8f7d199d5945..fe372239d505 100644
--- a/samples/bpf/tracex3_user.c
+++ b/samples/bpf/tracex3_user.c
@@ -11,6 +11,7 @@
#include <stdbool.h>
#include <string.h>
#include <linux/bpf.h>
+#include <sys/resource.h>
#include "libbpf.h"
#include "bpf_load.h"
@@ -112,11 +113,17 @@ static void print_hist(int fd)
int main(int ac, char **argv)
{
+ struct rlimit r = {1024*1024, RLIM_INFINITY};
char filename[256];
int i;
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ if (setrlimit(RLIMIT_MEMLOCK, &r)) {
+ perror("setrlimit(RLIMIT_MEMLOCK)");
+ return 1;
+ }
+
if (load_bpf_file(filename)) {
printf("%s", bpf_log_buf);
return 1;