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Fri, 25 Apr 2025 13:30:27 -0700 (PDT) Received: from ezingerman-mba ([2620:10d:c090:500::5:5728]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-309ef124cf4sm3976563a91.37.2025.04.25.13.30.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Apr 2025 13:30:27 -0700 (PDT) From: Eduard Zingerman To: Alexei Starovoitov Cc: Alan Maguire , Arnaldo Carvalho de Melo , Andrii Nakryiko , Ihor Solodrai , bpf , dwarves@vger.kernel.org, Kumar Kartikeya Dwivedi Subject: Re: pahole and gcc-14 issues In-Reply-To: (Eduard Zingerman's message of "Fri, 25 Apr 2025 13:25:08 -0700") References: Date: Fri, 25 Apr 2025 13:30:25 -0700 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: dwarves@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Eduard Zingerman writes: [...] >> Once I disabled it and did >> bpftool btf dump file ./bpf_testmod.ko --base-btf .../vmlinux format c >> the task_struct from vmlinux.h and from testmod.h became exactly the same. >> So it sounds like the 3rd issue :) >> bpftool dump of distilled btf needs work. > > Mystery upon mystery. > Here is a continuation of the last one. > This is raw BTF for .ko: > > [509] STRUCT 'task_struct' size=10496 vlen=268 > ... > 'rt_priority' type_id=3 bits_offset=960 > ... > Nah, this refers to id in the distilled base. Sorry for the noise. [...]