linux-kernel - Re: ANNOUNCE: pahole v1.23 (BTF tags and alignment inference)

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Message-ID: <YbD696GWcp+KeMyg@kernel.org>
Date:   Wed, 8 Dec 2021 15:35:35 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Jan Engelhardt <jengelh@...i.de>
Cc:     dwarves@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        bpf@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
        Domenico Andreoli <domenico.andreoli@...ux.com>,
        Matthias Schwarzott <zzam@...too.org>,
        Yonghong Song <yhs@...com>,
        Douglas RAILLARD <douglas.raillard@....com>,
        Ilya Leoshkevich <iii@...ux.ibm.com>,
        Matteo Croce <mcroce@...rosoft.com>
Subject: Re: ANNOUNCE: pahole v1.23 (BTF tags and alignment inference)

Em Wed, Dec 08, 2021 at 03:26:31PM +0100, Jan Engelhardt escreveu:
> 
> On Wednesday 2021-12-08 14:54, Arnaldo Carvalho de Melo wrote:
> > 
> >	The v1.23 release of pahole and its friends is out, this time
> >the main new features are the ability to encode BTF tags, to carry
> 
> [    7s] /home/abuild/rpmbuild/BUILD/dwarves-1.23/btf_encoder.c:145:10: error: 'BTF_KIND_DECL_TAG' undeclared here (not in a function); did you mean 'BTF_KIND_FLOAT'?
> 
> libbpf-0.5.0 is present, since CMakeLists.txt checked for >= 0.4.0.

My fault, knowing the flux that libbpf is in getting to 1.0 I should
have retested with the perf tools container based tests.

Can you think about some fix for that? Lemme see if BTF_KIND_DECL_TAG is
a define or an enum...
 
> The 1.23 tag is missing from git.

pushed out, thanks for pointing it out.

> Is git://git.kernel.org/pub/scm/devel/pahole/pahole out of date? (Last commit
> from October 2021)

-- 

- Arnaldo