diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2024-04-30 13:28:30 +0200 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2024-04-30 10:23:25 -0700 |
| commit | a3a5113393ccfad2eb23ca091aa6e55b5bd67eb4 (patch) | |
| tree | b575361002db6d53f2840aa2562b19dac72f64fc /tools/testing/selftests/bpf/prog_tests | |
| parent | 0983b1697aefbf69f465f907b934b89bbce467ea (diff) | |
selftests/bpf: Add kprobe session cookie test
Adding kprobe session test that verifies the cookie value
get properly propagated from entry to return program.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20240430112830.1184228-8-jolsa@kernel.org
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c b/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c index 42d6592f1e7f..960c9323d1e0 100644 --- a/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c +++ b/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c @@ -5,6 +5,7 @@ #include "kprobe_multi_empty.skel.h" #include "kprobe_multi_override.skel.h" #include "kprobe_multi_session.skel.h" +#include "kprobe_multi_session_cookie.skel.h" #include "bpf/libbpf_internal.h" #include "bpf/hashmap.h" @@ -363,6 +364,38 @@ cleanup: kprobe_multi_session__destroy(skel); } +static void test_session_cookie_skel_api(void) +{ + struct kprobe_multi_session_cookie *skel = NULL; + LIBBPF_OPTS(bpf_kprobe_multi_opts, opts); + LIBBPF_OPTS(bpf_test_run_opts, topts); + struct bpf_link *link = NULL; + int err, prog_fd; + + skel = kprobe_multi_session_cookie__open_and_load(); + if (!ASSERT_OK_PTR(skel, "fentry_raw_skel_load")) + return; + + skel->bss->pid = getpid(); + + err = kprobe_multi_session_cookie__attach(skel); + if (!ASSERT_OK(err, " kprobe_multi_wrapper__attach")) + goto cleanup; + + prog_fd = bpf_program__fd(skel->progs.trigger); + err = bpf_prog_test_run_opts(prog_fd, &topts); + ASSERT_OK(err, "test_run"); + ASSERT_EQ(topts.retval, 0, "test_run"); + + ASSERT_EQ(skel->bss->test_kprobe_1_result, 1, "test_kprobe_1_result"); + ASSERT_EQ(skel->bss->test_kprobe_2_result, 2, "test_kprobe_2_result"); + ASSERT_EQ(skel->bss->test_kprobe_3_result, 3, "test_kprobe_3_result"); + +cleanup: + bpf_link__destroy(link); + kprobe_multi_session_cookie__destroy(skel); +} + static size_t symbol_hash(long key, void *ctx __maybe_unused) { return str_hash((const char *) key); @@ -729,4 +762,6 @@ void test_kprobe_multi_test(void) test_attach_override(); if (test__start_subtest("session")) test_session_skel_api(); + if (test__start_subtest("session_cookie")) + test_session_cookie_skel_api(); } |