linux-kernel - Re: [PATCH] perf tools: Use symfs when opening debuginfo by path

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Message-Id: <173946729082.1291083.16132326522323232275.b4-ty@kernel.org>
Date: Thu, 13 Feb 2025 09:21:30 -0800
From: Namhyung Kim <namhyung@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>, 
 Ian Rogers <irogers@...gle.com>, Kan Liang <kan.liang@...ux.intel.com>, 
 Namhyung Kim <namhyung@...nel.org>
Cc: Jiri Olsa <jolsa@...nel.org>, Adrian Hunter <adrian.hunter@...el.com>, 
 Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...nel.org>, 
 LKML <linux-kernel@...r.kernel.org>, linux-perf-users@...r.kernel.org, 
 Masami Hiramatsu <mhiramat@...nel.org>
Subject: Re: [PATCH] perf tools: Use symfs when opening debuginfo by path

On Wed, 12 Feb 2025 14:14:45 -0800, Namhyung Kim wrote:
> I found that it failed to load a binary using --symfs option.  Say I
> have a binary in /home/user/prog/xxx and a perf data file with it.  If I
> move them to a different machine and use --symfs, it tries to find the
> binary in some locations under symfs using dso__read_binary_type_filename(),
> but not the last one.
> 
>   ${symfs}/usr/lib/debug/home/user/prog/xxx.debug
>   ${symfs}/usr/lib/debug/home/user/prog/xxx
>   ${symfs}/home/user/prog/.debug/xxx
>   /home/user/prog/xxx
> 
> [...]
Applied to perf-tools-next, thanks!

Best regards,
Namhyung