linux-kernel - Re: [PATCH v3 00/23] Improvements to Intel perf metrics

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Date:   Tue, 4 Oct 2022 15:09:42 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ian Rogers <irogers@...gle.com>
Cc:     Andi Kleen <ak@...ux.intel.com>,
        Zhengjun Xing <zhengjun.xing@...ux.intel.com>,
        Kan Liang <kan.liang@...ux.intel.com>, perry.taylor@...el.com,
        caleb.biggers@...el.com, kshipra.bopardikar@...el.com,
        samantha.alt@...el.com, ahmad.yasin@...el.com,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH v3 00/23] Improvements to Intel perf metrics

Em Tue, Oct 04, 2022 at 10:55:56AM -0700, Ian Rogers escreveu:
> On Tue, Oct 4, 2022 at 10:29 AM Andi Kleen <ak@...ux.intel.com> wrote:
> > Then if I follow the wiki example here I would expect I need to do

> > $ ./perf stat -M tma_backend_bound_group ~/pmu/pmu-tools/workloads/BC1s

> > Cannot find metric or group `tma_backend_bound_group'

> > but tma_retiring_group doesn't exist. So it seems the methodology isn't
> > fully consistent everywhere? Perhaps the wiki needs to document the
> > supported CPUs and also what part of the hierarchy is supported.
 
> So I think you've not got Arnaldo's branch with the changes applied.
> Unfortunately the instructions around '_group' are only going to apply
> to Linux 6.1.

I just pushed perf/core with Ian's v3 series, please check with that
one.

- Arnaldo