linux-kernel - Re: [PATCH v10 00/11] New perf ilist app

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Message-ID: <aLdOMD0aszmtqvOl@x1>
Date: Tue, 2 Sep 2025 17:06:08 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ian Rogers <irogers@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
	Namhyung Kim <namhyung@...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>,
	James Clark <james.clark@...aro.org>, Xu Yang <xu.yang_2@....com>,
	"Masami Hiramatsu (Google)" <mhiramat@...nel.org>,
	Collin Funk <collin.funk1@...il.com>,
	Howard Chu <howardchu95@...il.com>,
	Weilin Wang <weilin.wang@...el.com>,
	Andi Kleen <ak@...ux.intel.com>,
	"Dr. David Alan Gilbert" <linux@...blig.org>,
	Thomas Richter <tmricht@...ux.ibm.com>,
	Tiezhu Yang <yangtiezhu@...ngson.cn>,
	Gautam Menghani <gautam@...ux.ibm.com>,
	Thomas Falcon <thomas.falcon@...el.com>,
	Chun-Tse Shao <ctshao@...gle.com>, linux-kernel@...r.kernel.org,
	linux-perf-users@...r.kernel.org
Subject: Re: [PATCH v10 00/11] New perf ilist app

On Mon, Aug 18, 2025 at 06:39:30PM -0700, Ian Rogers wrote:
> This patch series adds a new ilist app written in python using textual
> [1] for the UI. The app presents perf PMUs and events, displays the
> event information as in `perf list` while at the bottom of the console
> showing recent activity of the event in total and across all CPUs. It
> also displays metrics, placed in a tree through their metric group,
> again with counts being displayed in the bottom panel.
> 
> To run it you need the updated perf.cpython.so in your PYTHONPATH and
> then execute the script. Expanding PMUs and then selecting events will
> cause event informatin to be displayed in the top-right and the
> counters values to be displayed as sparklines and counts in the bottom
> half of the screen.
> 
> There's been feedback on how the app works, simplicity of
> implementation has been chosen as the first criteria as the app can be
> further refined from what is here. The choice of the name ilist rather
> than say istat was deliberate as I wanted the app to encourage PMU,
> event and metric discovery, as with perf list. The output counts and
> spark lines are just to give an indication of what the event
> gathers. ilist comes from interactive list, there's probably a better
> name.
> 
> [1] https://textual.textualize.io/
> 
> v10: Add Howard's reviewed-by and address documentation fix. Rebase
>      and drop build up patches merged in v6.17 by Namhyung.

Thanks, applied to perf-tools-next,

- Arnaldo