linux-kernel - Re: [PATCH v3 1/6] scripts: python: Add initial script file with imports

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Date:   Mon, 17 Jul 2023 20:50:31 +0530
From:   Anup Sharma <anupnewsmail@...il.com>
To:     Ian Rogers <irogers@...gle.com>
Cc:     Anup Sharma <anupnewsmail@...il.com>,
        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>,
        Namhyung Kim <namhyung@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/6] scripts: python: Add initial script file with
 imports

On Wed, Jul 12, 2023 at 09:50:40AM -0700, Ian Rogers wrote:
> On Mon, Jul 10, 2023 at 4:09 PM Anup Sharma <anupnewsmail@...il.com> wrote:
> >
> > Added the necessary modules, including the Perf-Trace-Util
> > library, and defines the required functions and variables.
> > It leverages the perf_trace_context and Core modules for
> > tracing and processing events. Also added usage information.
> >
> > Signed-off-by: Anup Sharma <anupnewsmail@...il.com>
> 
> Acked-by: Ian Rogers <irogers@...gle.com>
> 
> > ---
> >  .../scripts/python/firefox-gecko-converter.py | 28 +++++++++++++++++++
> >  1 file changed, 28 insertions(+)
> >  create mode 100644 tools/perf/scripts/python/firefox-gecko-converter.py
> >
> > diff --git a/tools/perf/scripts/python/firefox-gecko-converter.py b/tools/perf/scripts/python/firefox-gecko-converter.py
> > new file mode 100644
> > index 000000000000..5b342641925c
> > --- /dev/null
> > +++ b/tools/perf/scripts/python/firefox-gecko-converter.py
> > @@ -0,0 +1,28 @@
> > +# firefox-gecko-converter.py - Convert perf record output to Firefox's gecko profile format
> > +# SPDX-License-Identifier: GPL-2.0
> > +#
> > +# The script converts perf.data to Gecko Profile Format,
> > +# which can be read by https://profiler.firefox.com/.
> > +#
> > +# Usage:
> > +#
> > +#     perf record -a -g -F 99 sleep 60
> > +#     perf script firefox-gecko-converter.py > output.json
> > +
> > +import os
> > +import sys
> > +import json
> > +from functools import reduce
> > +
> 
> nit: technically some of these imports should be added when necessary
> in the code.

Noted.

> > +# Add the Perf-Trace-Util library to the Python path
> > +sys.path.append(os.environ['PERF_EXEC_PATH'] + \
> > +       '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
> > +
> > +from perf_trace_context import *
> > +from Core import *
> > +
> > +def trace_end():
> > +       pass
> > +
> > +def process_event(param_dict):
> 
> nit: (this is likely addressed in later patches) you can add return
> and parameter types here to aid understanding of the code. Function
> comments are also useful.

Noted.

> > +       pass
> > --
> > 2.34.1
> >