linux-kernel - Re: [PATCH v2] perf vendor events intel: Add umasks/occ

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Message-ID: <CAM9d7cj4R+f3eV2SkDCpLH-X1M6xVqYhY-oyJAAeSvCzdhUf6A@mail.gmail.com>
Date: Mon, 4 Mar 2024 10:58:56 -0800
From: Namhyung Kim <namhyung@...nel.org>
To: "Liang, Kan" <kan.liang@...ux.intel.com>
Cc: Ian Rogers <irogers@...gle.com>, Peter Zijlstra <peterz@...radead.org>, 
	Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>, Mark Rutland <mark.rutland@....com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Adrian Hunter <adrian.hunter@...el.com>, linux-perf-users@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] perf vendor events intel: Add umasks/occ_sel to PCU events.

On Wed, Feb 28, 2024 at 12:46 PM Liang, Kan <kan.liang@...ux.intel.com> wrote:
>
>
>
> On 2024-02-28 12:05 p.m., Ian Rogers wrote:
> > UMasks were being dropped leading to all PCU
> > UNC_P_POWER_STATE_OCCUPANCY events having the same encoding. Don't
> > drop the umask trying to be consistent with other sources of events
> > like libpfm4 [1]. Older models need to use occ_sel rather than umask,
> > correct these values too. This applies the change from [2].
> >
> > [1] https://sourceforge.net/p/perfmon2/libpfm4/ci/master/tree/lib/events/intel_skx_unc_pcu_events.h#l30
> > [2] https://github.com/captain5050/perfmon/commit/cbd4aee81023e5bfa09677b1ce170ff69e9c423d
> >
> > Signed-off-by: Ian Rogers <irogers@...gle.com>
> > ---
> > v2 corrects BDW-DE, BDX, HSX and JKT to not use umask but occ_sel.
>
> Thanks Ian for the fix.
>
> Reviewed-by: Kan Liang <kan.liang@...ux.intel.com>

Applied to perf-tools-next, thanks!

Namhyung