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[2a01:cb08:8949:7e00:26dd:69ac:e0c0:2e6e]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43fe4cb1365sm41235025f8f.7.2026.04.21.11.21.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Apr 2026 11:21:19 -0700 (PDT) Date: Tue, 21 Apr 2026 20:21:16 +0200 From: Paul Chaignon To: Alexis =?iso-8859-1?Q?Lothor=E9_=28eBPF_Foundation=29?= Cc: Andrii Nakryiko , Eduard Zingerman , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Kumar Kartikeya Dwivedi , Song Liu , Yonghong Song , Jiri Olsa , Shuah Khan , "David S. Miller" , Jakub Kicinski , Jesper Dangaard Brouer , John Fastabend , Stanislav Fomichev , ebpf@linuxfoundation.org, Bastien Curutchet , Thomas Petazzoni , linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, netdev@vger.kernel.org, Alan Maguire Subject: Re: [PATCH bpf-next] selftests/bpf: drop xdping tool Message-ID: References: <20260417-xdping-v1-1-9b0ce0e7adf8@bootlin.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260417-xdping-v1-1-9b0ce0e7adf8@bootlin.com> On Fri, Apr 17, 2026 at 05:33:02PM +0200, Alexis Lothoré (eBPF Foundation) wrote: > As part of a larger cleanup effort in the bpf selftests directory, > tests and scripts are either being converted to the test_progs framework > (so they are executed automatically in bpf CI), or removed if not > relevant for such integration. > > The test_xdping.sh script (with the associated xdping.c) acts as a RTT > measurement tool, by attaching two small xdp programs to two interfaces. > Converting this test to test_progs may not make much sense: > - RTT measurement does not really fit in the scope of a functional test, > this is rather about measuring some performance level. > - there are other existing tests in test_progs that actively validate > XDP features like program attachment, return value processing, packet > modification, etc > > Drop test_xdping.sh and the corresponding xdping.c userspace part. Keep > the ebpf part (xdping_kern.c), as it is used by another test integrated > in test_progs (btf_dump) The xdping_kern object file is just used in bpf_dump to check we can parse the license as expected. You can replace that by any other test with a GPL license (ex., btf_type_tag_percpu.bpf.o) and remove xdping_kern.c. [...]