linux-kernel - Re: [PATCH v2 4/4] perf python: Add counting.py as example for counting perf events

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Message-ID: <CAP-5=fXK9Jru+ZqeTSuaTmOTmpF3JDHDswUOcmdOyLSP1Go_Gg@mail.gmail.com>
Date: Tue, 13 May 2025 13:59:28 -0700
From: Ian Rogers <irogers@...gle.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Gautam Menghani <gautam@...ux.ibm.com>, namhyung@...nel.org, peterz@...radead.org, 
	mingo@...hat.com, mark.rutland@....com, alexander.shishkin@...ux.intel.com, 
	jolsa@...nel.org, adrian.hunter@...el.com, kan.liang@...ux.intel.com, 
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org, 
	maddy@...ux.ibm.com
Subject: Re: [PATCH v2 4/4] perf python: Add counting.py as example for
 counting perf events

On Tue, May 13, 2025 at 1:50 PM Arnaldo Carvalho de Melo
<acme@...nel.org> wrote:
[snip]
> Right, I like the effort he is making into having perf more usable in
> python, and I encourage him to think about the issues you raised so that
> we can come to some good abstractions.

Thanks Arnaldo, can we be tolerant to API changes in the python from a
"regression" point-of-view? Like avoiding the notion of indices?
Presumably such a fix would also need fixing in all the perf python
scripts, but the external users I worry about. My sense is the number
of external users is minimal, for example, toplev I don't believe is a
user [1].

Ian

[1] https://github.com/andikleen/pmu-tools