diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_ringbuf.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_ringbuf.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_ringbuf.c b/tools/testing/selftests/bpf/progs/test_ringbuf.c index 8ba9959b036b..501cefa97633 100644 --- a/tools/testing/selftests/bpf/progs/test_ringbuf.c +++ b/tools/testing/selftests/bpf/progs/test_ringbuf.c @@ -3,6 +3,7 @@ #include <linux/bpf.h> #include <bpf/bpf_helpers.h> +#include "bpf_misc.h" char _license[] SEC("license") = "GPL"; @@ -15,7 +16,6 @@ struct sample { struct { __uint(type, BPF_MAP_TYPE_RINGBUF); - __uint(max_entries, 1 << 12); } ringbuf SEC(".maps"); /* inputs */ @@ -36,12 +36,11 @@ long prod_pos = 0; /* inner state */ long seq = 0; -SEC("tp/syscalls/sys_enter_getpgid") +SEC("fentry/" SYS_PREFIX "sys_getpgid") int test_ringbuf(void *ctx) { int cur_pid = bpf_get_current_pid_tgid() >> 32; struct sample *sample; - int zero = 0; if (cur_pid != pid) return 0; @@ -49,7 +48,7 @@ int test_ringbuf(void *ctx) sample = bpf_ringbuf_reserve(&ringbuf, sizeof(*sample), 0); if (!sample) { __sync_fetch_and_add(&dropped, 1); - return 1; + return 0; } sample->pid = pid; |