Add tests for the new API ring__size. Signed-off-by: Martin Kelly <martin.kelly@xxxxxxxxxxxxxxx> --- tools/testing/selftests/bpf/prog_tests/ringbuf.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf.c b/tools/testing/selftests/bpf/prog_tests/ringbuf.c index e4e1171e2e4d..962dc1bc5f3b 100644 --- a/tools/testing/selftests/bpf/prog_tests/ringbuf.c +++ b/tools/testing/selftests/bpf/prog_tests/ringbuf.c @@ -92,7 +92,7 @@ static void ringbuf_subtest(void) int page_size = getpagesize(); void *mmap_ptr, *tmp_ptr; struct ring *ring; - unsigned long avail_data, cons_pos, prod_pos; + unsigned long avail_data, ring_size, cons_pos, prod_pos; skel = test_ringbuf_lskel__open(); if (CHECK(!skel, "skel_open", "skeleton open failed\n")) @@ -189,6 +189,10 @@ static void ringbuf_subtest(void) CHECK(avail_data != 3 * rec_sz, "err_ring_avail_size", "exp %ld, got %ld\n", 3L * rec_sz, avail_data); + ring_size = ring__size(ring); + CHECK(ring_size != page_size, + "err_ring_ring_size", "exp %ld, got %ld\n", + (long)page_size, ring_size); cons_pos = ring__consumer_pos(ring); CHECK(cons_pos != 0, "err_ring_cons_pos", "exp %ld, got %ld\n", -- 2.34.1
