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From: Andrii Nakryiko <andrii.nakryiko@gmail.com>
To: Yonghong Song <yhs@fb.com>
Cc: bpf <bpf@vger.kernel.org>, Networking <netdev@vger.kernel.org>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Kernel Team <kernel-team@fb.com>
Subject: Re: [PATCH bpf-next v2 2/2] selftests/bpf: test task_file iterator without visiting pthreads
Date: Tue, 1 Sep 2020 17:41:37 -0700	[thread overview]
Message-ID: <CAEf4BzbQboQ3uPmXG2HAsv2=S3iJ5-6RQiC8Z8OymnCCyMJ77A@mail.gmail.com> (raw)
In-Reply-To: <20200828053817.817890-1-yhs@fb.com>

On Thu, Aug 27, 2020 at 10:38 PM Yonghong Song <yhs@fb.com> wrote:
>
> Modified existing bpf_iter_test_file.c program to check whether
> all accessed files from the main thread or not.
>
> Modified existing bpf_iter_test_file program to check
> whether all accessed files from the main thread or not.
>   $ ./test_progs -n 4
>   ...
>   #4/7 task_file:OK
>   ...
>   #4 bpf_iter:OK
>   Summary: 1/24 PASSED, 0 SKIPPED, 0 FAILED
>
> Signed-off-by: Yonghong Song <yhs@fb.com>
> ---

Acked-by: Andrii Nakryiko <andriin@fb.com>

>  .../selftests/bpf/prog_tests/bpf_iter.c       | 21 +++++++++++++++++++
>  .../selftests/bpf/progs/bpf_iter_task_file.c  | 10 ++++++++-
>  2 files changed, 30 insertions(+), 1 deletion(-)
>

[...]

> +       if (CHECK(pthread_join(thread_id, &ret) || ret != NULL,
> +                 "pthread_join", "pthread_join failed\n"))
> +               goto done;
> +
> +       CHECK(skel->bss->count != 0, "",

nit: please use non-empty string for second argument

> +             "invalid non pthread file visit %d\n", skel->bss->count);
> +
> +done:
>         bpf_iter_task_file__destroy(skel);
>  }
>

[...]

  reply	other threads:[~2020-09-02  0:41 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-28  5:38 [PATCH bpf-next v2 0/2] bpf: avoid iterating duplicated files for task_file iterator Yonghong Song
2020-08-28  5:38 ` [PATCH bpf-next v2 1/2] " Yonghong Song
2020-09-01 16:17   ` Josef Bacik
2020-09-01 17:18   ` Josef Bacik
2020-09-01 17:38     ` Yonghong Song
2020-08-28  5:38 ` [PATCH bpf-next v2 2/2] selftests/bpf: test task_file iterator without visiting pthreads Yonghong Song
2020-09-02  0:41   ` Andrii Nakryiko [this message]
2020-09-02  2:18     ` Yonghong Song

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