linux-kernel - Re: [PATCH v3 00/23] Intel vendor events and TMA 5.01 metrics

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Message-ID: <CAP-5=fW+4AmPj5gfxkPo1Anyqd+NwrRs1HOUwWEdwjBhONA3_Q@mail.gmail.com>
Date: Tue, 4 Feb 2025 11:02:06 -0800
From: Ian Rogers <irogers@...gle.com>
To: "Falcon, Thomas" <thomas.falcon@...el.com>, "Biggers, Caleb" <caleb.biggers@...el.com>, 
	"Taylor, Perry" <perry.taylor@...el.com>
Cc: "Baker, Edward" <edward.baker@...el.com>, 
	"alexander.shishkin@...ux.intel.com" <alexander.shishkin@...ux.intel.com>, 
	"mpetlan@...hat.com" <mpetlan@...hat.com>, "Hunter, Adrian" <adrian.hunter@...el.com>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "mingo@...hat.com" <mingo@...hat.com>, 
	"linux-perf-users@...r.kernel.org" <linux-perf-users@...r.kernel.org>, 
	"kan.liang@...ux.intel.com" <kan.liang@...ux.intel.com>, 
	"manivannan.sadhasivam@...aro.org" <manivannan.sadhasivam@...aro.org>, 
	"peterz@...radead.org" <peterz@...radead.org>, "Alt, Samantha" <samantha.alt@...el.com>, 
	"mark.rutland@....com" <mark.rutland@....com>, "Wang, Weilin" <weilin.wang@...el.com>, 
	"acme@...nel.org" <acme@...nel.org>, "afaerber@...e.de" <afaerber@...e.de>, 
	"jolsa@...nel.org" <jolsa@...nel.org>, "namhyung@...nel.org" <namhyung@...nel.org>
Subject: Re: [PATCH v3 00/23] Intel vendor events and TMA 5.01 metrics

On Tue, Feb 4, 2025 at 10:44 AM Falcon, Thomas <thomas.falcon@...el.com> wrote:
[snip]
> Hi, still seeing some errors in the all metrics test on Alderlake, Kan
> says that TSC is not a core pmu event:

Thanks Thomas,

the tsc event is on the msr PMU and needs special handing in the
conversion of the metrics. We've switched to a new source for the
metrics hence encountering what should be teething problem. I'll add a
fix in v4.

Ian