samples/bpf: adjust rlimit RLIMIT_MEMLOCK for traceex2, tracex3 and tracex4
Needed to adjust max locked memory RLIMIT_MEMLOCK for testing these bpf samples
as these are using more and larger maps than can fit in distro default 64Kbytes limit.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/samples/bpf/tracex2_user.c b/samples/bpf/tracex2_user.c
index ded9804..7fee0f1 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 */
