From: Jiri Olsa <jolsa@kernel.org>
To: Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Masami Hiramatsu <mhiramat@kernel.org>
Cc: netdev@vger.kernel.org, bpf@vger.kernel.org,
lkml <linux-kernel@vger.kernel.org>,
Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
Yonghong Song <yhs@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@chromium.org>,
Steven Rostedt <rostedt@goodmis.org>
Subject: [PATCHv3 bpf-next 13/13] selftests/bpf: Add cookie test for bpf_program__attach_kprobe_multi_opts
Date: Wed, 16 Mar 2022 13:24:19 +0100 [thread overview]
Message-ID: <20220316122419.933957-14-jolsa@kernel.org> (raw)
In-Reply-To: <20220316122419.933957-1-jolsa@kernel.org>
Adding bpf_cookie test for programs attached by
bpf_program__attach_kprobe_multi_opts API.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
.../selftests/bpf/prog_tests/bpf_cookie.c | 68 +++++++++++++++++++
1 file changed, 68 insertions(+)
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c b/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c
index 6671d4dc0b5d..923a6139b2d8 100644
--- a/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c
@@ -170,6 +170,72 @@ static void kprobe_multi_link_api_subtest(void)
kprobe_multi__destroy(skel);
}
+static void kprobe_multi_attach_api_subtest(void)
+{
+ struct bpf_link *link1 = NULL, *link2 = NULL;
+ LIBBPF_OPTS(bpf_kprobe_multi_opts, opts);
+ LIBBPF_OPTS(bpf_test_run_opts, topts);
+ struct kprobe_multi *skel = NULL;
+ const char *syms[8] = {
+ "bpf_fentry_test1",
+ "bpf_fentry_test2",
+ "bpf_fentry_test3",
+ "bpf_fentry_test4",
+ "bpf_fentry_test5",
+ "bpf_fentry_test6",
+ "bpf_fentry_test7",
+ "bpf_fentry_test8",
+ };
+ __u64 cookies[8];
+
+ skel = kprobe_multi__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "fentry_raw_skel_load"))
+ goto cleanup;
+
+ skel->bss->pid = getpid();
+ skel->bss->test_cookie = true;
+
+ cookies[0] = 1;
+ cookies[1] = 2;
+ cookies[2] = 3;
+ cookies[3] = 4;
+ cookies[4] = 5;
+ cookies[5] = 6;
+ cookies[6] = 7;
+ cookies[7] = 8;
+
+ opts.syms = syms;
+ opts.cnt = ARRAY_SIZE(syms);
+ opts.cookies = cookies;
+
+ link1 = bpf_program__attach_kprobe_multi_opts(skel->progs.test_kprobe,
+ NULL, &opts);
+ if (!ASSERT_OK_PTR(link1, "bpf_program__attach_kprobe_multi_opts"))
+ goto cleanup;
+
+ cookies[0] = 8;
+ cookies[1] = 7;
+ cookies[2] = 6;
+ cookies[3] = 5;
+ cookies[4] = 4;
+ cookies[5] = 3;
+ cookies[6] = 2;
+ cookies[7] = 1;
+
+ opts.retprobe = true;
+
+ link2 = bpf_program__attach_kprobe_multi_opts(skel->progs.test_kretprobe,
+ NULL, &opts);
+ if (!ASSERT_OK_PTR(link2, "bpf_program__attach_kprobe_multi_opts"))
+ goto cleanup;
+
+ kprobe_multi_test_run(skel);
+
+cleanup:
+ bpf_link__destroy(link2);
+ bpf_link__destroy(link1);
+ kprobe_multi__destroy(skel);
+}
static void uprobe_subtest(struct test_bpf_cookie *skel)
{
DECLARE_LIBBPF_OPTS(bpf_uprobe_opts, opts);
@@ -358,6 +424,8 @@ void test_bpf_cookie(void)
kprobe_subtest(skel);
if (test__start_subtest("multi_kprobe_link_api"))
kprobe_multi_link_api_subtest();
+ if (test__start_subtest("multi_kprobe_attach_api"))
+ kprobe_multi_attach_api_subtest();
if (test__start_subtest("uprobe"))
uprobe_subtest(skel);
if (test__start_subtest("tracepoint"))
--
2.35.1
next prev parent reply other threads:[~2022-03-16 12:27 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-16 12:24 [PATCHv3 bpf-next 00/13] bpf: Add kprobe multi link Jiri Olsa
2022-03-16 12:24 ` [PATCHv3 bpf-next 01/13] lib/sort: Add priv pointer to swap function Jiri Olsa
2022-03-16 12:24 ` [PATCHv3 bpf-next 02/13] kallsyms: Skip the name search for empty string Jiri Olsa
2022-03-16 12:24 ` [PATCHv3 bpf-next 03/13] bpf: Add multi kprobe link Jiri Olsa
2022-03-16 18:53 ` Alexei Starovoitov
2022-03-17 13:24 ` Jiri Olsa
2022-03-16 12:24 ` [PATCHv3 bpf-next 04/13] bpf: Add bpf_get_func_ip kprobe helper for " Jiri Olsa
2022-03-16 12:24 ` [PATCHv3 bpf-next 05/13] bpf: Add support to inline bpf_get_func_ip helper on x86 Jiri Olsa
2022-03-16 12:24 ` [PATCHv3 bpf-next 06/13] bpf: Add cookie support to programs attached with kprobe multi link Jiri Olsa
2022-03-16 12:24 ` [PATCHv3 bpf-next 07/13] libbpf: Add libbpf_kallsyms_parse function Jiri Olsa
2022-03-16 12:24 ` [PATCHv3 bpf-next 08/13] libbpf: Add bpf_link_create support for multi kprobes Jiri Olsa
2022-03-16 12:24 ` [PATCHv3 bpf-next 09/13] libbpf: Add bpf_program__attach_kprobe_multi_opts function Jiri Olsa
2022-03-18 3:53 ` Alexei Starovoitov
2022-03-18 5:14 ` Andrii Nakryiko
2022-03-18 9:22 ` Jiri Olsa
2022-03-18 9:08 ` Jiri Olsa
2022-03-16 12:24 ` [PATCHv3 bpf-next 10/13] selftests/bpf: Add kprobe_multi attach test Jiri Olsa
2022-03-16 12:24 ` [PATCHv3 bpf-next 11/13] selftests/bpf: Add kprobe_multi bpf_cookie test Jiri Olsa
2022-03-16 12:24 ` [PATCHv3 bpf-next 12/13] selftests/bpf: Add attach test for bpf_program__attach_kprobe_multi_opts Jiri Olsa
2022-03-16 12:24 ` Jiri Olsa [this message]
2022-03-18 3:50 ` [PATCHv3 bpf-next 00/13] bpf: Add kprobe multi link patchwork-bot+netdevbpf
2022-03-19 5:50 ` Andrii Nakryiko
2022-03-19 12:27 ` Jiri Olsa
2022-03-19 14:31 ` Jiri Olsa
2022-03-19 18:26 ` Andrii Nakryiko
2022-03-19 19:01 ` Andrii Nakryiko
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