linux-kernel - Re: [PATCH 0/5 v1] Processing java JIT dumps from containers

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Message-ID: <Z2m_VVM-vXGVor_z@x1>
Date: Mon, 23 Dec 2024 16:51:49 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Stephane Eranian <eranian@...gle.com>,
	Yonatan Goldschmidt <yonatan.goldschmidt@...nulate.io>
Cc: Francesco Nigro <fnigro@...hat.com>, Ilan Green <igreen@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>, Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	James Clark <james.clark@...aro.org>, Jiri Olsa <jolsa@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Kan Liang <kan.liang@...ux.intel.com>,
	Clark Williams <williams@...hat.com>, linux-kernel@...r.kernel.org,
	linux-perf-users@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [PATCH 0/5 v1] Processing java JIT dumps from containers

On Fri, Dec 06, 2024 at 05:48:23PM -0300, Arnaldo Carvalho de Melo wrote:
> From: Arnaldo Carvalho de Melo <acme@...hat.com>
> 
> Hi,
> 
> 	This is trying to move the needle on supporting jitdump done
> from a container while perf is running from the outside, that is not
> working right now.
> 
> 	I tried to collect as much details on what is being done in the
> commit logs to document further work that needs to be done to support
> such a scenario in a streamlined way, but what in this patchkit at least
> helped in a real case, allowing us to get 'perf annotate' to work and
> confirm suspicions.

I'm going to apply this to perf-tools-next, please holler if you
disagree.

- Arnaldo
 
> - Arnaldo
> 
> Arnaldo Carvalho de Melo (5):
>   perf config: Fix trival typo 'an' -> 'can'
>   perf jitdump: Accept jitdump mmaps emitted from inside containers
>   perf namespaces: Introduce nsinfo__set_in_pidns()
>   perf jitdump: Fixup in_pidns member when java agent and 'perf record' are not in the same pidns
>   perf namespaces: Fixup the nsinfo__in_pidns() return type, its bool
> 
>  tools/perf/Documentation/perf-config.txt |  2 +-
>  tools/perf/util/jitdump.c                | 15 ++++++++++++---
>  tools/perf/util/namespaces.c             |  7 ++++++-
>  tools/perf/util/namespaces.h             |  3 ++-
>  4 files changed, 21 insertions(+), 6 deletions(-)
> 
> -- 
> 2.47.0