linux-kernel - Re: [PATCH v3 0/5] perf: generate events for BPF metadata

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Message-ID: <CAP_z_Ch+d1FA5Yp65aegn7-vcLhZY8rspSXbDsxCA7yTLufNew@mail.gmail.com>
Date: Thu, 12 Jun 2025 12:45:28 -0700
From: Blake Jones <blakejones@...gle.com>
To: Ian Rogers <irogers@...gle.com>
Cc: Namhyung Kim <namhyung@...nel.org>, Arnaldo Carvalho de Melo <acme@...nel.org>, 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>, 
	Adrian Hunter <adrian.hunter@...el.com>, Kan Liang <kan.liang@...ux.intel.com>, 
	Steven Rostedt <rostedt@...dmis.org>, Tomas Glozar <tglozar@...hat.com>, 
	James Clark <james.clark@...aro.org>, Leo Yan <leo.yan@....com>, 
	Guilherme Amadio <amadio@...too.org>, Yang Jihong <yangjihong@...edance.com>, 
	Charlie Jenkins <charlie@...osinc.com>, Chun-Tse Shao <ctshao@...gle.com>, 
	Aditya Gupta <adityag@...ux.ibm.com>, Athira Rajeev <atrajeev@...ux.vnet.ibm.com>, 
	Zhongqiu Han <quic_zhonhan@...cinc.com>, Andi Kleen <ak@...ux.intel.com>, 
	Dmitry Vyukov <dvyukov@...gle.com>, Yujie Liu <yujie.liu@...el.com>, 
	Graham Woodward <graham.woodward@....com>, Yicong Yang <yangyicong@...ilicon.com>, 
	Ben Gainey <ben.gainey@....com>, linux-kernel@...r.kernel.org, 
	linux-perf-users@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH v3 0/5] perf: generate events for BPF metadata

On Wed, Jun 11, 2025 at 10:19 PM Ian Rogers <irogers@...gle.com> wrote:
> Fwiw, binutils is GPLv3 and license incompatible with perf which is
> largely GPLv2. This patch series deletes the code in perf using it and
> migrates the BPF disassembly to using capstone or libLLVM:
> https://lore.kernel.org/lkml/20250417230740.86048-1-irogers@google.com/
> The series isn't merged into upstream Linux but is in:
> https://github.com/googleprodkernel/linux-perf

Good to know. I'd be a bit concerned about the validity of testing my
changes with a 19-patch unmerged changeset, so I don't think I'm going
to try that for now.

Perhaps I'll just send along v4 of my changes, which has the fixes and
testing mentioned upthread.

Blake