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| author | Alexei Starovoitov <ast@kernel.org> | 2021-02-09 19:36:32 -0800 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2021-02-11 16:19:24 +0100 |
| commit | dcf33b6f4de173818540e3a2a0668c80a1ebdc68 (patch) | |
| tree | fa59bfe32570d6ee5c13b496a9984b93c89ff744 /tools | |
| parent | 9ed9e9ba2337205311398a312796c213737bac35 (diff) | |
| download | linux-dcf33b6f4de173818540e3a2a0668c80a1ebdc68.tar.bz2 | |
selftests/bpf: Improve recursion selftest
Since recursion_misses counter is available in bpf_prog_info
improve the selftest to make sure it's counting correctly.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20210210033634.62081-8-alexei.starovoitov@gmail.com
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/recursion.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/recursion.c b/tools/testing/selftests/bpf/prog_tests/recursion.c index 863757461e3f..0e378d63fe18 100644 --- a/tools/testing/selftests/bpf/prog_tests/recursion.c +++ b/tools/testing/selftests/bpf/prog_tests/recursion.c @@ -5,6 +5,8 @@ void test_recursion(void) { + struct bpf_prog_info prog_info = {}; + __u32 prog_info_len = sizeof(prog_info); struct recursion *skel; int key = 0; int err; @@ -28,6 +30,12 @@ void test_recursion(void) ASSERT_EQ(skel->bss->pass2, 1, "pass2 == 1"); bpf_map_lookup_elem(bpf_map__fd(skel->maps.hash2), &key, 0); ASSERT_EQ(skel->bss->pass2, 2, "pass2 == 2"); + + err = bpf_obj_get_info_by_fd(bpf_program__fd(skel->progs.on_lookup), + &prog_info, &prog_info_len); + if (!ASSERT_OK(err, "get_prog_info")) + goto out; + ASSERT_EQ(prog_info.recursion_misses, 2, "recursion_misses"); out: recursion__destroy(skel); } |