linux-kernel - Re: [PATCH 1/3] perf: add support for printing BTF character arrays as strings

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Message-ID: <aD9RbG8ePGESPwRf@google.com>
Date: Tue, 3 Jun 2025 12:47:56 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc: Blake Jones <blakejones@...gle.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Andrii Nakryiko <andrii@...nel.org>,
	Martin KaFai Lau <martin.lau@...ux.dev>,
	Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>,
	Yonghong Song <yonghong.song@...ux.dev>,
	John Fastabend <john.fastabend@...il.com>,
	KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...ichev.me>,
	Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>, Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Kan Liang <kan.liang@...ux.intel.com>,
	Chun-Tse Shao <ctshao@...gle.com>,
	Zhongqiu Han <quic_zhonhan@...cinc.com>,
	James Clark <james.clark@...aro.org>,
	Charlie Jenkins <charlie@...osinc.com>,
	Andi Kleen <ak@...ux.intel.com>, Dmitry Vyukov <dvyukov@...gle.com>,
	Leo Yan <leo.yan@....com>, Yujie Liu <yujie.liu@...el.com>,
	Graham Woodward <graham.woodward@....com>,
	Yicong Yang <yangyicong@...ilicon.com>,
	Ben Gainey <ben.gainey@....com>,
	LKML <linux-kernel@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
	"linux-perf-use." <linux-perf-users@...r.kernel.org>
Subject: Re: [PATCH 1/3] perf: add support for printing BTF character arrays
 as strings

On Tue, Jun 03, 2025 at 11:43:29AM -0700, Alexei Starovoitov wrote:
> On Tue, Jun 3, 2025 at 11:24 AM Blake Jones <blakejones@...gle.com> wrote:
> >
> > The libbpf patch set is under discussion right now. Once it converges,
> > is there a way to include those patches in the perf tree without
> > waiting for them to go up to the main tree and then back down? Could I
> > resend them here, or include them as the first part of my next patch
> > series?
> 
> Not really. libbpf is developed in kernel tree, sync to github
> and released from github.

But you can continue to work on the perf side after adding a feature
test.  I think we can accept the change once the libbpf change is
finalized.

It won't actually work until the both changes are merged to the
mainline in the next cycle, but you can test it locally.

Thanks,
Namhyung