linux-kernel - Re: [PATCH v2 00/11] Python improvements for a real use of parse

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Message-ID: <CAH0uvojZZR1C-NhL-ZG8WBEE+08wDaerfHQJBfe9AoPF7yNwtg@mail.gmail.com>
Date: Thu, 6 Mar 2025 18:07:07 -0800
From: Howard Chu <howardchu95@...il.com>
To: Ian Rogers <irogers@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, 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>, 
	Yicong Yang <yangyicong@...ilicon.com>, James Clark <james.clark@...aro.org>, 
	"Dr. David Alan Gilbert" <linux@...blig.org>, Levi Yun <yeoreum.yun@....com>, Ze Gao <zegao2021@...il.com>, 
	Weilin Wang <weilin.wang@...el.com>, Xu Yang <xu.yang_2@....com>, 
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 00/11] Python improvements for a real use of parse_events

Hello Ian,

On Fri, Feb 28, 2025 at 2:23 PM Ian Rogers <irogers@...gle.com> wrote:
>
> While parse_events access in python was added, it wasn't used by any
> python script. In enabling this for the tracepoint.py script a number
> of latent bugs and necessary improvements were discovered.
>
> v2: Fix a whitespace issue on the evlist.config patch spotted by
>     Howard and add his reviewed-by tags.
>
> Ian Rogers (11):
>   perf debug: Avoid stack overflow in recursive error message
>   perf evlist: Add success path to evlist__create_syswide_maps
>   perf evsel: tp_format accessing improvements
>   perf python: Add evlist enable and disable methods
>   perf python: Add member access to a number of evsel variables
>   perf python: Add optional cpus and threads arguments to parse_events
>   perf python: Update ungrouped evsel leader in clone
>   perf python: Avoid duplicated code in get_tracepoint_field
>   perf python: Add evlist all_cpus accessor
>   perf python: Add evlist.config to set up record options
>   perf python tracepoint: Switch to using parse_events

Reviewed-by: Howard Chu <howardchu95@...il.com>

>
>  tools/perf/python/tracepoint.py |  23 +++---
>  tools/perf/util/debug.c         |   2 +-
>  tools/perf/util/evlist.c        |  13 ++--
>  tools/perf/util/evsel.c         |  16 +++-
>  tools/perf/util/python.c        | 127 ++++++++++++++++++++++++++++----
>  5 files changed, 145 insertions(+), 36 deletions(-)
>
> --
> 2.48.1.711.g2feabab25a-goog
>