linux-kernel - Re: [PATCH] perf unwind-libdw: skip non-regular files

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Message-Id: <175078758903.337518.10854344069618331237.b4-ty@kernel.org>
Date: Tue, 24 Jun 2025 10:53:09 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: linux-kernel@...r.kernel.org, Sergei Trofimovich <slyich@...il.com>
Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
 Arnaldo Carvalho de Melo <acme@...nel.org>, 
 Mark Rutland <mark.rutland@....com>, 
 Alexander Shishkin <alexander.shishkin@...ux.intel.com>, 
 Jiri Olsa <jolsa@...nel.org>, Ian Rogers <irogers@...gle.com>, 
 Adrian Hunter <adrian.hunter@...el.com>, 
 "Liang, Kan" <kan.liang@...ux.intel.com>, linux-perf-users@...r.kernel.org
Subject: Re: [PATCH] perf unwind-libdw: skip non-regular files

On Mon, 05 May 2025 18:44:19 +0100, Sergei Trofimovich wrote:
> Without the change `perf `hangs up on charaster devices. On my system
> it's enough to run system-wide sampler for a few seconds to get the
> hangup:
> 
>     $ perf record -a -g --call-graph=dwarf
>     $ perf report
>     # hung
> 
> [...]
Applied to perf-tools-next, thanks!

Best regards,
Namhyung