From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Alan Maguire <alan.maguire@oracle.com>
Cc: andrii.nakryiko@gmail.com, jolsa@kernel.org, ast@kernel.org,
daniel@iogearbox.net, eddyz87@gmail.com, martin.lau@linux.dev,
song@kernel.org, yhs@fb.com, john.fastabend@gmail.com,
kpsingh@kernel.org, sdf@google.com, haoluo@google.com,
mykolal@fb.com, bpf@vger.kernel.org
Subject: Re: [PATCH v4 dwarves 0/5] pahole, btf_encoder: support --btf_features
Date: Wed, 25 Oct 2023 14:48:50 -0300 [thread overview]
Message-ID: <ZTlVAtFw7oKaFrvl@kernel.org> (raw)
In-Reply-To: <ZTlTpYYVoYL0fls7@kernel.org>
Em Wed, Oct 25, 2023 at 02:43:02PM -0300, Arnaldo Carvalho de Melo escreveu:
> But 'bpftool bpf' doesn't like it:
> $ bpftool btf dump file vmlinux.v5.19.0-rc5+.enum64 raw
> Error: failed to load BTF from vmlinux.v5.19.0-rc5+.enum64: Invalid argument
> $
> But it doesn't like it even when not using --btf_features :-\
>
> $ cp vmlinux.v5.19.0-rc5+ vmlinux.v5.19.0-rc5+.default_btf_encode ; pahole --btf_encode vmlinux.v5.19.0-rc5+.default_btf_encode
> $ bpftool btf dump file vmlinux.v5.19.0-rc5+.default_btf_encode raw | wc -l
> Error: failed to load BTF from vmlinux.v5.19.0-rc5+.default_btf_encode: Invalid argument
> 0
> $
> I'll try to root cause this problem...
Random old bpftool on this notebook was the cause, nevermind, I'm back
testing this, sorry for the noise :-)
- Arnaldo
next prev parent reply other threads:[~2023-10-25 17:48 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-23 9:57 [PATCH v4 dwarves 0/5] pahole, btf_encoder: support --btf_features Alan Maguire
2023-10-23 9:57 ` [PATCH v4 dwarves 1/5] btf_encoder, pahole: move btf encoding options into conf_load Alan Maguire
2023-10-23 9:57 ` [PATCH v4 dwarves 2/5] dwarves: move ARRAY_SIZE() to dwarves.h Alan Maguire
2023-10-23 9:57 ` [PATCH v4 dwarves 3/5] pahole: add --btf_features support Alan Maguire
2023-10-23 9:57 ` [PATCH v4 dwarves 4/5] pahole: add --supported_btf_features Alan Maguire
2023-10-23 9:57 ` [PATCH v4 dwarves 5/5] pahole: add --btf_features_strict to reject unknown BTF features Alan Maguire
2023-10-25 17:43 ` [PATCH v4 dwarves 0/5] pahole, btf_encoder: support --btf_features Arnaldo Carvalho de Melo
2023-10-25 17:48 ` Arnaldo Carvalho de Melo [this message]
2023-10-25 18:12 ` Arnaldo Carvalho de Melo
2023-10-25 18:30 ` Arnaldo Carvalho de Melo
2023-10-25 22:28 ` Eduard Zingerman
2023-10-26 22:06 ` Andrii Nakryiko
2023-10-27 13:25 ` Arnaldo Carvalho de Melo
2023-10-27 14:24 ` RCU stall issues in bpf-next (was: Re: [PATCH v4 dwarves 0/5] pahole, btf_encoder: support --btf_features) Alan Maguire
2023-10-27 19:54 ` Jiri Olsa
2023-10-25 18:18 ` [PATCH v4 dwarves 0/5] pahole, btf_encoder: support --btf_features Arnaldo Carvalho de Melo
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