diff options
| author | Kenny Yu <kennyyu@fb.com> | 2022-01-24 10:54:03 -0800 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2022-01-24 19:59:38 -0800 |
| commit | 45105c2eb751e2a3dd9858622cf72e2d588209a0 (patch) | |
| tree | 34071034e4092118810dc213cd49b28c989f1fa6 /tools/testing/selftests/bpf/prog_tests/bpf_iter.c | |
| parent | a8b77f7463a500584a69fed60bb4da57ac435138 (diff) | |
| download | linux-45105c2eb751e2a3dd9858622cf72e2d588209a0.tar.bz2 | |
selftests/bpf: Add test for sleepable bpf iterator programs
This adds a test for bpf iterator programs to make use of sleepable
bpf helpers.
Signed-off-by: Kenny Yu <kennyyu@fb.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20220124185403.468466-5-kennyyu@fb.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/bpf_iter.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/bpf_iter.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_iter.c b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c index b84f859b1267..5142a7d130b2 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_iter.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c @@ -138,6 +138,24 @@ static void test_task(void) bpf_iter_task__destroy(skel); } +static void test_task_sleepable(void) +{ + struct bpf_iter_task *skel; + + skel = bpf_iter_task__open_and_load(); + if (!ASSERT_OK_PTR(skel, "bpf_iter_task__open_and_load")) + return; + + do_dummy_read(skel->progs.dump_task_sleepable); + + ASSERT_GT(skel->bss->num_expected_failure_copy_from_user_task, 0, + "num_expected_failure_copy_from_user_task"); + ASSERT_GT(skel->bss->num_success_copy_from_user_task, 0, + "num_success_copy_from_user_task"); + + bpf_iter_task__destroy(skel); +} + static void test_task_stack(void) { struct bpf_iter_task_stack *skel; @@ -1252,6 +1270,8 @@ void test_bpf_iter(void) test_bpf_map(); if (test__start_subtest("task")) test_task(); + if (test__start_subtest("task_sleepable")) + test_task_sleepable(); if (test__start_subtest("task_stack")) test_task_stack(); if (test__start_subtest("task_file")) |