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

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Message-ID: <pvavzfl6u5a2ofnzn7hkwv7kmto6coshps7fbfa5bzsuajq2jw@qulvbcmhumta>
Date: Sun, 8 Feb 2026 13:24:27 +0100
From: Dmitry Dolgov <9erthalion6@...il.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Ian Rogers <irogers@...gle.com>, Namhyung Kim <namhyung@...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 Fri, Feb 06, 2026 at 06:19:41PM -0300, Arnaldo Carvalho de Melo wrote:
> On Fri, Feb 06, 2026 at 10:08:55AM +0100, Dmitry Dolgov wrote:
> > > 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.
> 
> Hey, did you test the patch? Having a Tested-by you in addition to the
> Reported-by would be nice.

Yep, I did some testing, all looked fine.