linux-kernel - Re: perf test hybrid failing on 14700K

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Message-ID: <Zaa8e-fM5rdEwVNp@FVFF77S0Q05N>
Date: Tue, 16 Jan 2024 17:27:23 +0000
From: Mark Rutland <mark.rutland@....com>
To: Ian Rogers <irogers@...gle.com>
Cc: "Liang, Kan" <kan.liang@...ux.intel.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Kan Liang <kan.liang@...el.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
	linux-perf-users@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: perf test hybrid failing on 14700K

On Mon, Jan 15, 2024 at 11:00:57AM +0000, Mark Rutland wrote:
> On Wed, Jan 10, 2024 at 08:29:18AM -0800, Ian Rogers wrote:

> > Lacking hardware with the broken PMU(s) I'm not able to do this. Could
> > you turn the suggestion into a patch and test on BIG.little? I can
> > test on Intel Alderlake.

For the sake of the archive; I sent that out as:

  https://lore.kernel.org/lkml/20240116170348.463479-1-mark.rutland@arm.com/

I've given that some testing on big.LITTLE: I've asked Hector and Marc to give
it a go with the Apple M1/M2 PMU specifically.

Mark.