linux-kernel - Re: [RFC PATCH v7 1/6] perf stat: Parse and find tpebs events when parsing metrics to prepare for perf record sampling

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Date: Mon, 22 Apr 2024 12:13:08 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: weilin.wang@...el.com
Cc: Ian Rogers <irogers@...gle.com>, Arnaldo Carvalho de Melo <acme@...nel.org>, 
	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Adrian Hunter <adrian.hunter@...el.com>, Kan Liang <kan.liang@...ux.intel.com>, 
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Perry Taylor <perry.taylor@...el.com>, Samantha Alt <samantha.alt@...el.com>, 
	Caleb Biggers <caleb.biggers@...el.com>
Subject: Re: [RFC PATCH v7 1/6] perf stat: Parse and find tpebs events when
 parsing metrics to prepare for perf record sampling

On Tue, Apr 2, 2024 at 2:45 PM <weilin.wang@...el.com> wrote:
>
> From: Weilin Wang <weilin.wang@...el.com>
>
> Metrics that use tpebs values would use the R as retire_latency modifier in

Can you please add this to documentation so that others can refer?
I'm not sure if we have a doc for the JSON metric format.

Thanks,
Namhyung


> formulas. We put all these events into a list and pass the list to perf
> record to collect their retire latency value.
>
> Signed-off-by: Weilin Wang <weilin.wang@...el.com>
> Reviewed-by: Ian Rogers <irogers@...gle.com>