From: Jiri Olsa <olsajiri@gmail.com>
To: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Cc: Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
bpf@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>,
Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>
Subject: Re: [PATCHv3 bpf-next 18/26] selftests/bpf: Add uprobe_multi api test
Date: Tue, 11 Jul 2023 11:06:27 +0200 [thread overview]
Message-ID: <ZK0bk5+oZ22WKtZ8@krava> (raw)
In-Reply-To: <CAEf4BzYhfSZgWSRSn4QUm+k0JMzqUd0R_ud5-DVL0Lm1GmvOWA@mail.gmail.com>
On Thu, Jul 06, 2023 at 09:32:15PM -0700, Andrii Nakryiko wrote:
> On Fri, Jun 30, 2023 at 1:37 AM Jiri Olsa <jolsa@kernel.org> wrote:
> >
> > Adding uprobe_multi test for bpf_program__attach_uprobe_multi
> > attach function.
> >
> > Testing attachment using glob patterns and via bpf_uprobe_multi_opts
> > paths/syms fields.
> >
> > Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> > ---
> > .../bpf/prog_tests/uprobe_multi_test.c | 71 +++++++++++++++++++
> > 1 file changed, 71 insertions(+)
> >
> > diff --git a/tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c b/tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c
> > index 5cd1116bbb62..f97a68871e73 100644
> > --- a/tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c
> > +++ b/tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c
> > @@ -69,8 +69,79 @@ static void test_skel_api(void)
> > uprobe_multi__destroy(skel);
> > }
> >
> > +static void
> > +test_attach_api(const char *binary, const char *pattern, struct bpf_uprobe_multi_opts *opts)
> > +{
> > + struct bpf_link *link1 = NULL, *link2 = NULL;
> > + struct bpf_link *link3 = NULL, *link4 = NULL;
> > + struct uprobe_multi *skel = NULL;
> > +
> > + skel = uprobe_multi__open_and_load();
> > + if (!ASSERT_OK_PTR(skel, "uprobe_multi__open_and_load"))
> > + goto cleanup;
> > +
> > + opts->retprobe = false;
> > + link1 = bpf_program__attach_uprobe_multi(skel->progs.test_uprobe, -1,
> > + binary, pattern, opts);
> > + if (!ASSERT_OK_PTR(link1, "bpf_program__attach_uprobe_multi"))
> > + goto cleanup;
> > +
> > + opts->retprobe = true;
> > + link2 = bpf_program__attach_uprobe_multi(skel->progs.test_uretprobe, -1,
> > + binary, pattern, opts);
> > + if (!ASSERT_OK_PTR(link2, "bpf_program__attach_uprobe_multi_retprobe"))
> > + goto cleanup;
> > +
> > + opts->retprobe = false;
> > + link3 = bpf_program__attach_uprobe_multi(skel->progs.test_uprobe_sleep, -1,
> > + binary, pattern, opts);
> > + if (!ASSERT_OK_PTR(link1, "bpf_program__attach_uprobe_multi"))
>
> link3
>
> > + goto cleanup;
> > +
> > + opts->retprobe = true;
> > + link4 = bpf_program__attach_uprobe_multi(skel->progs.test_uretprobe_sleep, -1,
> > + binary, pattern, opts);
> > + if (!ASSERT_OK_PTR(link2, "bpf_program__attach_uprobe_multi_retprobe"))
>
> link4
>
> > + goto cleanup;
> > +
> > + uprobe_multi_test_run(skel);
> > +
> > +cleanup:
> > + bpf_link__destroy(link4);
> > + bpf_link__destroy(link3);
> > + bpf_link__destroy(link2);
> > + bpf_link__destroy(link1);
>
> you could have used
> skel->links.{test_uprobe,test_uretprobe,test_uprobe_sleep,test_uretprobe_sleep}
> "containers" to not manage destruction of these links manually
ah right, I keep forgetting we have those variables ready in there :-\
will change
thanks,
jirka
>
> > + uprobe_multi__destroy(skel);
> > +}
> > +
> > +static void test_attach_api_pattern(void)
> > +{
> > + LIBBPF_OPTS(bpf_uprobe_multi_opts, opts);
> > +
> > + test_attach_api("/proc/self/exe", "uprobe_multi_func_*", &opts);
> > + test_attach_api("/proc/self/exe", "uprobe_multi_func_?", &opts);
> > +}
> > +
>
> [...]
next prev parent reply other threads:[~2023-07-11 9:06 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-30 8:33 [PATCHv3 bpf-next 00/26] bpf: Add multi uprobe link Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 01/26] bpf: Add attach_type checks under bpf_prog_attach_check_attach_type Jiri Olsa
2023-07-06 22:34 ` Andrii Nakryiko
2023-06-30 8:33 ` [PATCHv3 bpf-next 02/26] bpf: Add multi uprobe link Jiri Olsa
2023-07-06 22:34 ` Andrii Nakryiko
2023-07-11 9:00 ` Jiri Olsa
2023-07-07 4:22 ` Andrii Nakryiko
2023-07-11 9:01 ` Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 03/26] bpf: Add cookies support for uprobe_multi link Jiri Olsa
2023-07-01 3:40 ` Yafang Shao
2023-07-01 8:54 ` Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 04/26] bpf: Add pid filter " Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 05/26] bpf: Add bpf_get_func_ip helper support for uprobe link Jiri Olsa
2023-07-06 22:29 ` Andrii Nakryiko
2023-07-10 7:24 ` Jiri Olsa
2023-07-10 17:55 ` Andrii Nakryiko
2023-07-11 8:28 ` Jiri Olsa
2023-07-11 16:57 ` Andrii Nakryiko
2023-06-30 8:33 ` [PATCHv3 bpf-next 06/26] libbpf: Add uprobe_multi attach type and link names Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 07/26] libbpf: Move elf_find_func_offset* functions to elf object Jiri Olsa
2023-07-06 23:02 ` Andrii Nakryiko
2023-07-11 9:05 ` Jiri Olsa
2023-07-11 17:01 ` Andrii Nakryiko
2023-07-06 23:03 ` Andrii Nakryiko
2023-07-11 9:05 ` Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 08/26] libbpf: Add elf_open/elf_close functions Jiri Olsa
2023-07-06 23:09 ` Andrii Nakryiko
2023-07-11 9:01 ` Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 09/26] libbpf: Add elf symbol iterator Jiri Olsa
2023-07-06 23:24 ` Andrii Nakryiko
2023-07-11 9:03 ` Jiri Olsa
2023-07-11 16:59 ` Andrii Nakryiko
2023-06-30 8:33 ` [PATCHv3 bpf-next 10/26] libbpf: Add elf_resolve_syms_offsets function Jiri Olsa
2023-07-07 3:48 ` Andrii Nakryiko
2023-07-11 9:04 ` Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 11/26] libbpf: Add elf_resolve_pattern_offsets function Jiri Olsa
2023-07-07 3:52 ` Andrii Nakryiko
2023-07-11 9:04 ` Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 12/26] libbpf: Add bpf_link_create support for multi uprobes Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 13/26] libbpf: Add bpf_program__attach_uprobe_multi function Jiri Olsa
2023-07-07 4:05 ` Andrii Nakryiko
2023-07-11 9:05 ` Jiri Olsa
2023-07-11 17:02 ` Andrii Nakryiko
2023-06-30 8:33 ` [PATCHv3 bpf-next 14/26] libbpf: Add support for u[ret]probe.multi[.s] program sections Jiri Olsa
2023-07-07 4:07 ` Andrii Nakryiko
2023-06-30 8:33 ` [PATCHv3 bpf-next 15/26] libbpf: Add uprobe multi link detection Jiri Olsa
2023-07-07 4:20 ` Andrii Nakryiko
2023-07-11 9:03 ` Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 16/26] libbpf: Add uprobe multi link support to bpf_program__attach_usdt Jiri Olsa
2023-07-07 4:29 ` Andrii Nakryiko
2023-07-11 9:04 ` Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 17/26] selftests/bpf: Add uprobe_multi skel test Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 18/26] selftests/bpf: Add uprobe_multi api test Jiri Olsa
2023-07-07 4:32 ` Andrii Nakryiko
2023-07-11 9:06 ` Jiri Olsa [this message]
2023-06-30 8:33 ` [PATCHv3 bpf-next 19/26] selftests/bpf: Add uprobe_multi link test Jiri Olsa
2023-07-07 4:33 ` Andrii Nakryiko
2023-07-11 9:06 ` Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 20/26] selftests/bpf: Add uprobe_multi test program Jiri Olsa
2023-07-07 4:35 ` Andrii Nakryiko
2023-06-30 8:33 ` [PATCHv3 bpf-next 21/26] selftests/bpf: Add uprobe_multi bench test Jiri Olsa
2023-07-07 4:38 ` Andrii Nakryiko
2023-07-11 9:07 ` Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 22/26] selftests/bpf: Add usdt_multi test program Jiri Olsa
2023-07-07 4:39 ` Andrii Nakryiko
2023-06-30 8:33 ` [PATCHv3 bpf-next 23/26] selftests/bpf: Add usdt_multi bench test Jiri Olsa
2023-07-07 4:42 ` Andrii Nakryiko
2023-07-11 9:07 ` Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 24/26] selftests/bpf: Add uprobe_multi cookie test Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 25/26] selftests/bpf: Add uprobe_multi pid filter tests Jiri Olsa
2023-06-30 8:33 ` [PATCHv3 bpf-next 26/26] selftests/bpf: Add extra link to uprobe_multi tests Jiri Olsa
2023-07-05 12:45 ` [PATCHv3 bpf-next 00/26] bpf: Add multi uprobe link Daniel Borkmann
2023-07-05 19:10 ` Jiri Olsa
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