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

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Date: Tue, 12 Mar 2024 15:32:11 +0530
From: Sandipan Das <sandipan.das@....com>
To: Ian Rogers <irogers@...gle.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 3/11/2024 11:13 PM, Ian Rogers wrote:
> 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?
> 

Sure. I'll move the L3 events to a separate file.

> 
>> 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 ... ]