linux-kernel - Re: [PATCHSET 0/6] perf annotate-data: Small updates in the data type profiling (v1)

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Message-ID: <ZjOiYjxrdxnw5CuM@x1>
Date: Thu, 2 May 2024 11:25:38 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Namhyung Kim <namhyung@...nel.org>
Cc: Ian Rogers <irogers@...gle.com>, Kan Liang <kan.liang@...ux.intel.com>,
	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
Subject: Re: [PATCHSET 0/6] perf annotate-data: Small updates in the data
 type profiling (v1)

On Wed, May 01, 2024 at 11:00:05PM -0700, Namhyung Kim wrote:
> Hello,
> 
> This is a mix of bug fixes and optimization in the data type profiling.
> 
> Firstly it now caches global variables and looks them up by address later.
> This will be good for performance as well as improves the success rates
> because some variables are defined in a separate file (compile unit) and
> has no info in the call site for some reason.
> 
> Also it properly checks instructions that use more than one register for
> a memory access like x86 SIB addressing.  And check the type of stack
> variables correctly and discard constant values (without type info).

Applied locally, doing build tests.

- Arnaldo