linux-kernel - Re: [PATCH v9 0/7] Hwmon PMUs

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Message-Id: <173117023754.3738736.6659250361794956153.b4-ty@kernel.org>
Date: Sat, 09 Nov 2024 08:37:17 -0800
From: Namhyung Kim <namhyung@...nel.org>
To: 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>, 
 Kan Liang <kan.liang@...ux.intel.com>, 
 Ravi Bangoria <ravi.bangoria@....com>, Weilin Wang <weilin.wang@...el.com>, 
 Yoshihiro Furudera <fj5100bi@...itsu.com>, 
 James Clark <james.clark@...aro.org>, 
 Athira Jajeev <atrajeev@...ux.vnet.ibm.com>, 
 Howard Chu <howardchu95@...il.com>, Oliver Upton <oliver.upton@...ux.dev>, 
 Changbin Du <changbin.du@...wei.com>, Ze Gao <zegao2021@...il.com>, 
 Junhao He <hejunhao3@...wei.com>, linux-kernel@...r.kernel.org, 
 linux-perf-users@...r.kernel.org, Ian Rogers <irogers@...gle.com>
Subject: Re: [PATCH v9 0/7] Hwmon PMUs

On Fri, 08 Nov 2024 16:37:52 -0800, Ian Rogers wrote:

> Following the convention of the tool PMU, create a hwmon PMU that
> exposes hwmon data for reading. For example, the following shows
> reading the CPU temperature and 2 fan speeds alongside the uncore
> frequency:
> ```
> $ perf stat -e temp_cpu,fan1,hwmon_thinkpad/fan2/,tool/num_cpus_online/ -M UNCORE_FREQ -I 1000
>      1.001153138              52.00 'C   temp_cpu
>      1.001153138              2,588 rpm  fan1
>      1.001153138              2,482 rpm  hwmon_thinkpad/fan2/
>      1.001153138                  8      tool/num_cpus_online/
>      1.001153138      1,077,101,397      UNC_CLOCK.SOCKET                 #     1.08 UNCORE_FREQ
>      1.001153138      1,012,773,595      duration_time
> ...
> ```
> 
> [...]

Applied to perf-tools-next, thanks!

Best regards,
Namhyung