linux-kernel - Re: [PATCH v3 00/30] Add generated latest Intel events and metrics

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Date:   Thu, 28 Jul 2022 16:14:37 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ian Rogers <irogers@...gle.com>
Cc:     perry.taylor@...el.com, caleb.biggers@...el.com,
        kshipra.bopardikar@...el.com,
        Kan Liang <kan.liang@...ux.intel.com>,
        Zhengjun Xing <zhengjun.xing@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Andi Kleen <ak@...ux.intel.com>,
        James Clark <james.clark@....com>,
        John Garry <john.garry@...wei.com>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Sedat Dilek <sedat.dilek@...il.com>,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH v3 00/30] Add generated latest Intel events and metrics

Em Wed, Jul 27, 2022 at 03:08:02PM -0700, Ian Rogers escreveu:
> The goal of this patch series is to align the json events for Intel
> platforms with those generated by:
> https://github.com/intel/event-converter-for-linux-perf/blob/master/download_and_gen.py
> This script takes the latest event json and TMA metrics from:
> https://download.01.org/perfmon/ and adds to these metrics, in
> particular uncore ones, from: https://github.com/intel/perfmon-metrics
> 
> Some fixes were needed to the script for generating the json and are
> contained in this pull request:
> https://github.com/intel/event-converter-for-linux-perf/pull/15
> 
> The json files were first downloaded before being used to generate the
> perf json files. This fixes non-ascii characters for (R) and (TM) in
> the source json files. This can be reproduced with:
> $ download_and_gen.py --hermetic-download --outdir data
> $ download_and_gen.py --url=file://`pwd`/data/01 --metrics-url=file://`pwd`/data/github
> 
> A minor correction is made in the generated json of:
> tools/perf/pmu-events/arch/x86/ivytown/uncore-other.json
> changing "\\Inbound\\" to just "Inbound" to avoid compilation errors
> caused by \I.
> 
> The elkhartlake metrics file is basic and not generated by scripts. It
> is retained here although it causes a difference from the generated
> files.
> 
> The mapfile.csv is the third and final difference from the generated
> version due to a bug in 01.org's models for icelake. The existing
> models are preferred and retained.
> 
> Compared to the previous json, the major changes are:
>  - the inclusion of basic meteorlake events,
>  - the inclusion of server uncore metrics,
>  - the inclusion of previously ungenerated and experimental uncore events.
> 
> v3. Rebase on top of Zhengjun Xing's updates. Remove merged test fix
>     and tremontx rename patches.

Thanks, applied.

- Arnaldo