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

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Message-ID: <aFXVbkxNoHOVyFwy@google.com>
Date: Fri, 20 Jun 2025 14:41:02 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: Blake Jones <blakejones@...gle.com>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ian Rogers <irogers@...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>,
	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

Hi Blake,

On Wed, Jun 11, 2025 at 06:02:55PM -0700, Blake Jones wrote:
> On Wed, Jun 11, 2025 at 5:39 PM Blake Jones <blakejones@...gle.com> wrote:
> > Is there anything written up about how to set up a machine so that
> > "make build-test" works reliably?

Sorry for the trouble.  I found it needs more work.

> 
> Barring that, I've confirmed that each of my new patches builds successfully
> under the following build commands: (I have a copy of libbpf that supports
> ".emit_strings" in /usr/local/include)
> 
>     cd tools/perf
>     make clean
>     make NO_LIBTRACEEVENT=1 LIBBPF_DYNAMIC=1 LIBBPF_INCLUDE=/usr/local/include
>     ./perf check feature libbpf-strings
> 
>     make clean
>     make NO_LIBTRACEEVENT=1
>     ./perf check feature libbpf-strings
> 
>     make clean
>     make NO_LIBTRACEEVENT=1 NO_LIBBPF=1
>     ./perf check feature libbpf-strings
> 
> Please let me know if that seems like sufficient testing.

Looks ok to me and thanks for doing this.

Namhyung