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From: Eduard Zingerman <eddyz87@gmail.com>
To: Andrii Nakryiko <andrii.nakryiko@gmail.com>,
	Alan Maguire <alan.maguire@oracle.com>,
	Mykyta Yatsenko <mykyta.yatsenko5@gmail.com>
Cc: andrii@kernel.org, ast@kernel.org, jolsa@kernel.org,
	acme@redhat.com,  quentin@isovalent.com, mykolal@fb.com,
	daniel@iogearbox.net, martin.lau@linux.dev,  song@kernel.org,
	yonghong.song@linux.dev, john.fastabend@gmail.com,
	 kpsingh@kernel.org, sdf@google.com, haoluo@google.com,
	houtao1@huawei.com,  bpf@vger.kernel.org, masahiroy@kernel.org,
	mcgrof@kernel.org, nathan@kernel.org
Subject: Re: [PATCH v2 bpf-next 09/13] libbpf: split BTF relocation
Date: Thu, 02 May 2024 09:39:43 -0700	[thread overview]
Message-ID: <21a0516c0ce86941f9cc6b95d978e9d7ab071ba1.camel@gmail.com> (raw)
In-Reply-To: <CAEf4BzYnw3n_qHGCBGPxYw1Q1S8d+uF62MybJakgcAG9=CF-Bw@mail.gmail.com>

On Tue, 2024-04-30 at 10:41 -0700, Andrii Nakryiko wrote:

[...]


> Speaking of sorting, Mykyta (cc'ed) is working on teaching *bpftool*
> to do a sane ordering of types so that vmlinux.h output is a)
> meaningfully (from human POV) sorted and b) vmlinux.h overall is more
> "stable" between slight changes to vmlinux BTF itself, so that they
> can be more meaningfully diffed. This is in no way related to sorting
> vmlinux BTF data itself (sorting is done on the fly before generating
> vmlinux.h), but I thought I'd mention that as you are probably
> interested in this as well.

Oh, well...
I have a sorting pass already, it is here:
https://github.com/eddyz87/dwarves/tree/sort-btf
Would be a bit simpler, if moved inside libbpf and uses internal APIs.


  reply	other threads:[~2024-05-02 16:39 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-24 15:47 [PATCH v2 bpf-next 00/13] bpf: support resilient split BTF Alan Maguire
2024-04-24 15:47 ` [PATCH v2 bpf-next 01/13] libbpf: add support to btf__add_fwd() for ENUM64 Alan Maguire
2024-04-26 22:56   ` Andrii Nakryiko
2024-04-24 15:47 ` [PATCH v2 bpf-next 02/13] libbpf: add btf__distill_base() creating split BTF with distilled base BTF Alan Maguire
2024-04-26 22:57   ` Andrii Nakryiko
2024-04-30 23:06   ` Eduard Zingerman
2024-05-01 17:29     ` Alan Maguire
2024-05-01 17:43       ` Eduard Zingerman
2024-05-02 11:51         ` Alan Maguire
2024-04-24 15:47 ` [PATCH v2 bpf-next 03/13] selftests/bpf: test distilled base, split BTF generation Alan Maguire
2024-04-30 23:50   ` Eduard Zingerman
2024-04-30 23:55   ` Eduard Zingerman
2024-05-01 17:31     ` Alan Maguire
2024-04-24 15:47 ` [PATCH v2 bpf-next 04/13] libbpf: add btf__parse_opts() API for flexible BTF parsing Alan Maguire
2024-04-29 23:40   ` Andrii Nakryiko
2024-05-01 17:42     ` Alan Maguire
2024-05-01 17:47       ` Andrii Nakryiko
2024-05-01  0:07   ` Eduard Zingerman
2024-04-24 15:47 ` [PATCH v2 bpf-next 05/13] bpftool: support displaying raw split BTF using base BTF section as base Alan Maguire
2024-04-29 23:42   ` Andrii Nakryiko
2024-04-24 15:47 ` [PATCH v2 bpf-next 06/13] kbuild,bpf: switch to using --btf_features for pahole v1.26 and later Alan Maguire
2024-04-29 23:43   ` Andrii Nakryiko
2024-05-01 17:22     ` Alan Maguire
2024-04-24 15:48 ` [PATCH v2 bpf-next 07/13] resolve_btfids: use .BTF.base ELF section as base BTF if -B option is used Alan Maguire
2024-04-29 23:45   ` Andrii Nakryiko
2024-05-01 20:39   ` Eduard Zingerman
2024-05-02 14:53     ` Alan Maguire
2024-04-24 15:48 ` [PATCH v2 bpf-next 08/13] kbuild, bpf: add module-specific pahole/resolve_btfids flags for distilled base BTF Alan Maguire
2024-04-24 15:48 ` [PATCH v2 bpf-next 09/13] libbpf: split BTF relocation Alan Maguire
2024-04-30  0:14   ` Andrii Nakryiko
2024-04-30 16:56     ` Alan Maguire
2024-04-30 17:41       ` Andrii Nakryiko
2024-05-02 16:39         ` Eduard Zingerman [this message]
2024-04-24 15:48 ` [PATCH v2 bpf-next 10/13] module, bpf: store BTF base pointer in struct module Alan Maguire
2024-04-24 15:48 ` [PATCH v2 bpf-next 11/13] libbpf,bpf: share BTF relocate-related code with kernel Alan Maguire
2024-04-24 15:48 ` [PATCH v2 bpf-next 12/13] selftests/bpf: extend distilled BTF tests to cover BTF relocation Alan Maguire
2024-04-24 15:48 ` [PATCH v2 bpf-next 13/13] bpftool: support displaying relocated-with-base split BTF Alan Maguire
2024-04-26 22:56 ` [PATCH v2 bpf-next 00/13] bpf: support resilient " Andrii Nakryiko
2024-04-27  0:24   ` Andrii Nakryiko
2024-04-29 15:25     ` Alan Maguire
2024-04-29 17:05       ` Andrii Nakryiko
2024-04-29 17:31         ` Alan Maguire
2024-04-29 18:02           ` Andrii Nakryiko

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