From: Martin KaFai Lau <martin.lau@linux.dev>
To: Stanislav Fomichev <sdf@google.com>
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
song@kernel.org, yhs@fb.com, john.fastabend@gmail.com,
kpsingh@kernel.org, haoluo@google.com, jolsa@kernel.org,
David Ahern <dsahern@gmail.com>, Jakub Kicinski <kuba@kernel.org>,
Willem de Bruijn <willemb@google.com>,
Jesper Dangaard Brouer <brouer@redhat.com>,
Anatoly Burakov <anatoly.burakov@intel.com>,
Alexander Lobakin <alexandr.lobakin@intel.com>,
Magnus Karlsson <magnus.karlsson@gmail.com>,
Maryam Tahhan <mtahhan@redhat.com>,
xdp-hints@xdp-project.net, netdev@vger.kernel.org,
bpf@vger.kernel.org
Subject: Re: [PATCH bpf-next v5 11/17] selftests/bpf: Verify xdp_metadata xdp->af_xdp path
Date: Tue, 3 Jan 2023 18:05:25 -0800 [thread overview]
Message-ID: <f372a5ca-d9f1-e44e-07fb-3ec1e089e2f7@linux.dev> (raw)
In-Reply-To: <CAKH8qBst6==Rw1mQohjNimf5QZrPJ05d+XLjqyyT1W8fENNz4w@mail.gmail.com>
On 12/22/22 8:06 PM, Stanislav Fomichev wrote:
>>> + /* First half of umem is for TX. This way address matches 1-to-1
>>> + * to the completion queue index.
>>> + */
>>> +
>>> + for (i = 0; i < UMEM_NUM / 2; i++) {
>>> + addr = i * UMEM_FRAME_SIZE;
>>> + printf("%p: tx_desc[%d] -> %lx\n", xsk, i, addr);
>> Do you still need this verbose printf which is in a loop? Also, how about other
>> printf in this test?
> In case we'd ever need to debug this test, those printfs shouldn't
> hurt, right? Or are you concerned about this test polluting the output
> with something like 'test_progs -v -v' ?
>
Asking just in case it was some left over from the earlier rfc that is no longer
needed. I think only failure test get logged in CI, so I don't mind to leave
them here if they will be useful to debug other earlier/later ASSERTs.
next prev parent reply other threads:[~2023-01-04 2:05 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-20 22:20 [PATCH bpf-next v5 00/17] xdp: hints via kfuncs Stanislav Fomichev
2022-12-20 22:20 ` [PATCH bpf-next v5 01/17] bpf: Document XDP RX metadata Stanislav Fomichev
2022-12-28 17:25 ` David Vernet
2023-01-03 22:23 ` Stanislav Fomichev
2023-01-04 16:02 ` David Vernet
2022-12-20 22:20 ` [PATCH bpf-next v5 02/17] bpf: Rename bpf_{prog,map}_is_dev_bound to is_offloaded Stanislav Fomichev
2022-12-20 22:20 ` [PATCH bpf-next v5 03/17] bpf: Move offload initialization into late_initcall Stanislav Fomichev
2022-12-20 22:20 ` [PATCH bpf-next v5 04/17] bpf: Reshuffle some parts of bpf/offload.c Stanislav Fomichev
2022-12-20 22:20 ` [PATCH bpf-next v5 05/17] bpf: Introduce device-bound XDP programs Stanislav Fomichev
2022-12-23 0:19 ` Martin KaFai Lau
2022-12-23 4:06 ` Stanislav Fomichev
2022-12-20 22:20 ` [PATCH bpf-next v5 06/17] selftests/bpf: Update expected test_offload.py messages Stanislav Fomichev
2022-12-20 22:20 ` [PATCH bpf-next v5 07/17] bpf: XDP metadata RX kfuncs Stanislav Fomichev
2022-12-21 5:43 ` kernel test robot
2022-12-21 17:49 ` Stanislav Fomichev
2022-12-23 0:31 ` Martin KaFai Lau
2022-12-23 4:06 ` Stanislav Fomichev
2022-12-27 20:33 ` David Vernet
2023-01-03 22:23 ` Stanislav Fomichev
2023-01-03 22:35 ` David Vernet
2022-12-20 22:20 ` [PATCH bpf-next v5 08/17] bpf: Support consuming XDP HW metadata from fext programs Stanislav Fomichev
2022-12-23 0:37 ` Martin KaFai Lau
2022-12-23 4:06 ` Stanislav Fomichev
2023-01-04 1:51 ` Martin KaFai Lau
2023-01-04 3:59 ` Stanislav Fomichev
2022-12-20 22:20 ` [PATCH bpf-next v5 09/17] veth: Introduce veth_xdp_buff wrapper for xdp_buff Stanislav Fomichev
2022-12-20 22:20 ` [PATCH bpf-next v5 10/17] veth: Support RX XDP metadata Stanislav Fomichev
2022-12-20 22:20 ` [PATCH bpf-next v5 11/17] selftests/bpf: Verify xdp_metadata xdp->af_xdp path Stanislav Fomichev
2022-12-23 0:40 ` Martin KaFai Lau
2022-12-23 4:06 ` Stanislav Fomichev
2023-01-04 2:05 ` Martin KaFai Lau [this message]
2022-12-20 22:20 ` [PATCH bpf-next v5 12/17] net/mlx4_en: Introduce wrapper for xdp_buff Stanislav Fomichev
2022-12-20 22:20 ` [PATCH bpf-next v5 13/17] net/mlx4_en: Support RX XDP metadata Stanislav Fomichev
2022-12-20 22:20 ` [PATCH bpf-next v5 14/17] xsk: Add cb area to struct xdp_buff_xsk Stanislav Fomichev
2022-12-20 22:20 ` [PATCH bpf-next v5 15/17] net/mlx5e: Introduce wrapper for xdp_buff Stanislav Fomichev
2022-12-20 22:20 ` [PATCH bpf-next v5 16/17] net/mlx5e: Support RX XDP metadata Stanislav Fomichev
2022-12-20 22:20 ` [PATCH bpf-next v5 17/17] selftests/bpf: Simple program to dump XDP RX metadata Stanislav Fomichev
2022-12-23 0:53 ` Martin KaFai Lau
2022-12-23 4:07 ` Stanislav Fomichev
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