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([2620:10d:c090:500::5:c621]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b4fa1a29cedsm14662741a12.46.2025.09.08.11.50.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Sep 2025 11:50:26 -0700 (PDT) Message-ID: <9cbc741a61c3015433444978db734a87247ed11e.camel@gmail.com> Subject: Re: [PATCH bpf-next v6 4/5] selftests: bpf: introduce __stderr and __stdout From: Eduard Zingerman To: Puranjay Mohan , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Xu Kuohai , Catalin Marinas , Will Deacon , Kumar Kartikeya Dwivedi , bpf@vger.kernel.org Date: Mon, 08 Sep 2025 11:50:24 -0700 In-Reply-To: <20250908163638.23150-5-puranjay@kernel.org> References: <20250908163638.23150-1-puranjay@kernel.org> <20250908163638.23150-5-puranjay@kernel.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2 (3.56.2-1.fc42) Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Mon, 2025-09-08 at 16:36 +0000, Puranjay Mohan wrote: > Add __stderr and __stdout to validate the output of BPF streams for bpf > selftests. Similar to __xlated, __jited, etc., __stderr/out can be used > in the BPF progs to compare a string (regex supported) to the output in > the bpf streams. >=20 > Signed-off-by: Puranjay Mohan > --- Thank you for adding this. I think it's a nice option for tests that had to invent a complex __retval() when checking for multiple conditions to be true in bpf program. Acked-by: Eduard Zingerman [...]