diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:35:05 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:31 +0000 |
commit | 85c675d0d09a45a135bddd15d7b385f8758c32fb (patch) | |
tree | 76267dbc9b9a130337be3640948fe397b04ac629 /tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c | |
parent | Adding upstream version 6.6.15. (diff) | |
download | linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip |
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c')
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c b/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c index 1455911d9f..5852219508 100644 --- a/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c +++ b/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c @@ -42,6 +42,8 @@ void test_ringbuf_multi(void) { struct test_ringbuf_multi *skel; struct ring_buffer *ringbuf = NULL; + struct ring *ring_old; + struct ring *ring; int err; int page_size = getpagesize(); int proto_fd = -1; @@ -84,11 +86,24 @@ void test_ringbuf_multi(void) if (CHECK(!ringbuf, "ringbuf_create", "failed to create ringbuf\n")) goto cleanup; + /* verify ring_buffer__ring returns expected results */ + ring = ring_buffer__ring(ringbuf, 0); + if (!ASSERT_OK_PTR(ring, "ring_buffer__ring_idx_0")) + goto cleanup; + ring_old = ring; + ring = ring_buffer__ring(ringbuf, 1); + ASSERT_ERR_PTR(ring, "ring_buffer__ring_idx_1"); + err = ring_buffer__add(ringbuf, bpf_map__fd(skel->maps.ringbuf2), process_sample, (void *)(long)2); if (CHECK(err, "ringbuf_add", "failed to add another ring\n")) goto cleanup; + /* verify adding a new ring didn't invalidate our older pointer */ + ring = ring_buffer__ring(ringbuf, 0); + if (!ASSERT_EQ(ring, ring_old, "ring_buffer__ring_again")) + goto cleanup; + err = test_ringbuf_multi__attach(skel); if (CHECK(err, "skel_attach", "skeleton attachment failed: %d\n", err)) goto cleanup; |