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-rw-r--r--samples/bpf/tracex2_user.c7
-rw-r--r--samples/bpf/tracex3_user.c7
-rw-r--r--samples/bpf/tracex4_user.c8
3 files changed, 22 insertions, 0 deletions
diff --git a/samples/bpf/tracex2_user.c b/samples/bpf/tracex2_user.c
index ded9804c5034..7fee0f1ba9a3 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;
@@ -119,6 +121,11 @@ 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);
/* start 'ping' in the background to have some kfree_skb events */
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;
diff --git a/samples/bpf/tracex4_user.c b/samples/bpf/tracex4_user.c
index 03449f773cb1..22c644f1f4c3 100644
--- a/samples/bpf/tracex4_user.c
+++ b/samples/bpf/tracex4_user.c
@@ -12,6 +12,8 @@
#include <string.h>
#include <time.h>
#include <linux/bpf.h>
+#include <sys/resource.h>
+
#include "libbpf.h"
#include "bpf_load.h"
@@ -50,11 +52,17 @@ static void print_old_objects(int fd)
int main(int ac, char **argv)
{
+ struct rlimit r = {RLIM_INFINITY, 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, RLIM_INFINITY)");
+ return 1;
+ }
+
if (load_bpf_file(filename)) {
printf("%s", bpf_log_buf);
return 1;