linux-kernel - Re: [PATCH] perf vendor events amd: Fix Zen 5 MAB allocation events

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Message-ID: <aXfQHyNAVUXZaFNa@x1>
Date: Mon, 26 Jan 2026 17:35:43 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ian Rogers <irogers@...gle.com>
Cc: Sandipan Das <sandipan.das@....com>, linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org, Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>, Namhyung Kim <namhyung@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	James Clark <james.clark@...aro.org>,
	Suyash Mahar <smahar@...a.com>,
	Ravi Bangoria <ravi.bangoria@....com>,
	Ananth Narayan <ananth.narayan@....com>
Subject: Re: [PATCH] perf vendor events amd: Fix Zen 5 MAB allocation events

On Thu, Jan 22, 2026 at 08:00:09AM -0800, Ian Rogers wrote:
> On Thu, Jan 22, 2026 at 12:10 AM Sandipan Das <sandipan.das@....com> wrote:
> > The unit masks for PMCx041 vary across different generations of Zen
> > processors. Fix the Zen 5 events based on PMCx041 as they incorrectly
> > use the same unit masks as that of Zen 4.

> > Fixes: 45c072f2537a ("perf vendor events amd: Add Zen 5 core events")
> > Reported-by: Suyash Mahar <smahar@...a.com>
> > Signed-off-by: Sandipan Das <sandipan.das@....com>
 
> Reviewed-by: Ian Rogers <irogers@...gle.com>

Thanks, applied to perf-tools-next,

- Arnaldo