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authorYauheni Kaliuta <yauheni.kaliuta@redhat.com>2021-04-08 09:13:09 +0300
committerAndrii Nakryiko <andrii@kernel.org>2021-04-08 23:54:48 -0700
commitf3f4c23e1238783f3d719cfbda6c5e2fd03a48c4 (patch)
tree39ee74e3a70de436a49f1bc5d815178f8388b5ea
parentb3278099b2f6e81771c6c2b70fcf9a56e9ba5d93 (diff)
selftests/bpf: ringbuf_multi: Use runtime page size
Set bpf table sizes dynamically according to the runtime page size value. Do not switch to ASSERT macros, keep CHECK, for consistency with the rest of the test. Can be a separate cleanup patch. Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@redhat.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210408061310.95877-8-yauheni.kaliuta@redhat.com
-rw-r--r--tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c23
-rw-r--r--tools/testing/selftests/bpf/progs/test_ringbuf_multi.c1
2 files changed, 20 insertions, 4 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c b/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c
index d37161e59bb2..159de99621c7 100644
--- a/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c
+++ b/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c
@@ -41,13 +41,30 @@ static int process_sample(void *ctx, void *data, size_t len)
void test_ringbuf_multi(void)
{
struct test_ringbuf_multi *skel;
- struct ring_buffer *ringbuf;
+ struct ring_buffer *ringbuf = NULL;
int err;
+ int page_size = getpagesize();
- skel = test_ringbuf_multi__open_and_load();
- if (CHECK(!skel, "skel_open_load", "skeleton open&load failed\n"))
+ skel = test_ringbuf_multi__open();
+ if (CHECK(!skel, "skel_open", "skeleton open failed\n"))
return;
+ err = bpf_map__set_max_entries(skel->maps.ringbuf1, page_size);
+ if (CHECK(err != 0, "bpf_map__set_max_entries", "bpf_map__set_max_entries failed\n"))
+ goto cleanup;
+
+ err = bpf_map__set_max_entries(skel->maps.ringbuf2, page_size);
+ if (CHECK(err != 0, "bpf_map__set_max_entries", "bpf_map__set_max_entries failed\n"))
+ goto cleanup;
+
+ err = bpf_map__set_max_entries(bpf_map__inner_map(skel->maps.ringbuf_arr), page_size);
+ if (CHECK(err != 0, "bpf_map__set_max_entries", "bpf_map__set_max_entries failed\n"))
+ goto cleanup;
+
+ err = test_ringbuf_multi__load(skel);
+ if (CHECK(err != 0, "skel_load", "skeleton load failed\n"))
+ goto cleanup;
+
/* only trigger BPF program for current process */
skel->bss->pid = getpid();
diff --git a/tools/testing/selftests/bpf/progs/test_ringbuf_multi.c b/tools/testing/selftests/bpf/progs/test_ringbuf_multi.c
index edf3b6953533..055c10b2ff80 100644
--- a/tools/testing/selftests/bpf/progs/test_ringbuf_multi.c
+++ b/tools/testing/selftests/bpf/progs/test_ringbuf_multi.c
@@ -15,7 +15,6 @@ struct sample {
struct ringbuf_map {
__uint(type, BPF_MAP_TYPE_RINGBUF);
- __uint(max_entries, 1 << 12);
} ringbuf1 SEC(".maps"),
ringbuf2 SEC(".maps");