linux-kernel - Re: [PATCH 2/4] perf vendor events amd: Add Zen 5 uncore events

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Message-ID: <CAP-5=fU=gO49ASVVLUbT5bFPoOE3qi3+xJqvRD3tA=upVUT_aQ@mail.gmail.com>
Date: Mon, 11 Mar 2024 10:43:35 -0700
From: Ian Rogers <irogers@...gle.com>
To: Sandipan Das <sandipan.das@....com>
Cc: linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org, 
	peterz@...radead.org, mingo@...hat.com, acme@...nel.org, namhyung@...nel.org, 
	mark.rutland@....com, alexander.shishkin@...ux.intel.com, jolsa@...nel.org, 
	adrian.hunter@...el.com, eranian@...gle.com, ravi.bangoria@....com, 
	ananth.narayan@....com
Subject: Re: [PATCH 2/4] perf vendor events amd: Add Zen 5 uncore events

On Sun, Mar 10, 2024 at 10:24 PM Sandipan Das <sandipan.das@....com> wrote:
>
> Add uncore events taken from Section 1.5 "L3 Cache Performance Monitor
> Counters" and Section 2 "UMC Performance Monitors" of the Performance
> Monitor Counters for AMD Family 1Ah Model 00h-0Fh Processors document
> available at the link below. This constitutes events which capture L3
> cache and UMC command activity.

Why do the L3 uncore PMU events go in the same topic as the core/cpu
events, but the memory controller events not? Could they both go in
separate files to make better use of the topic?

Thanks,
Ian

> Link: https://bugzilla.kernel.org/attachment.cgi?id=305974
> Signed-off-by: Sandipan Das <sandipan.das@....com>
> ---
>  .../pmu-events/arch/x86/amdzen5/cache.json    | 175 ++++++++++++++++++
>  .../arch/x86/amdzen5/memory-controller.json   | 101 ++++++++++

[ ... snip ... ]