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| author | Jesper Dangaard Brouer <brouer@redhat.com> | 2017-05-02 15:31:50 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-03 16:30:23 +0300 |
| commit | 55de170382a92d6da6fc9f23efc21eb2f3d25126 (patch) | |
| tree | fcb84ec0ae4fac1fcc8e40f0e68be42dba784868 /samples/bpf/tracex3_user.c | |
| parent | 89c9fea3c8034cdb2fd745f551cde0b507fd6893 (diff) | |
| download | linux-55de170382a92d6da6fc9f23efc21eb2f3d25126.tar.xz | |
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>
Diffstat (limited to 'samples/bpf/tracex3_user.c')
| -rw-r--r-- | samples/bpf/tracex3_user.c | 7 |
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; |