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Date: Sat, 5 Apr 2025 11:09:12 +0200
From: Ingo Molnar <mingo@kernel.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
	Ian Rogers <irogers@google.com>,
	Kan Liang <kan.liang@linux.intel.com>, Jiri Olsa <jolsa@kernel.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Peter Zijlstra <peterz@infradead.org>,
	linux-perf-users@vger.kernel.org,
	Dmitry Vyukov <dvyukov@google.com>
Subject: Re: [perf top] annotation doesn't work, libunwind doesn't seem to be
 working either
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* Ingo Molnar <mingo@kernel.org> wrote:

> > You need to pass LIBUNWIND=1 to build with it.
> 
> So, users (including me) have absolutely no idea which unwinding 
> library they want to build with: 99% of them would like to have a 
> clean, full-featured perf build with all libraries marked as '[ on ]' 
> in the build log. :-)

Correction: users would like to use the *best* unwinding library, and 
it would be great if the build process picked that for them, or at 
least warned them if that ideal state wasn't possible due to missing 
dependencies.

Thanks,

	Ingo