linux-kernel - Re: [PATCH] perf annotate: Fix register usage in data type profiling

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Message-ID: <qncykxscahgsit26ctsja4jox4353uburbfoehfcuneycbgnvg@jvgs3twjn2rq>
Date: Fri, 6 Feb 2026 10:08:55 +0100
From: Dmitry Dolgov <9erthalion6@...il.com>
To: Ian Rogers <irogers@...gle.com>
Cc: Namhyung Kim <namhyung@...nel.org>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, James Clark <james.clark@...aro.org>, 
	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, Zecheng Li <zli94@...u.edu>
Subject: Re: [PATCH] perf annotate: Fix register usage in data type profiling

> On Thu, Feb 05, 2026 at 09:00:43PM -0800, Ian Rogers wrote:
> It'd be nice to have a test on this to avoid a regression. Dmitrii's patch:
> https://lore.kernel.org/linux-perf-users/20260127083030.5909-1-9erthalion6@gmail.com/
> does that for a Rust struct Buf, but it'd be nice to do something similar for C.

Agree, and I was planning to extend the tests in the patch above with a
C workload as well.