linux-kernel - Re: [PATCH v2 3/7] scripts: python: create threads with schemas

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Date:   Tue, 11 Jul 2023 03:24:23 +0530
From:   Anup Sharma <anupnewsmail@...il.com>
To:     Namhyung Kim <namhyung@...nel.org>
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>, Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/7] scripts: python: create threads with schemas

On Wed, Jul 05, 2023 at 10:46:51PM -0700, Namhyung Kim wrote:
> On Wed, Jul 5, 2023 at 12:47 PM Anup Sharma <anupnewsmail@...il.com> wrote:
> >
> > The markers structure defines the schema and data for
> > thread markers, including fields such as 'name',
> > 'startTime', 'endTime', 'phase', 'category', and 'data'.
> >
> > The samples structure defines the schema and data for thread
> > samples, including fields such as 'stack', 'time', and
> > 'responsiveness'.
> >
> > The frameTable structure defines the schema and data for frame
> > information, including fields such as 'location', 'relevantForJS',
> > 'innerWindowID', 'implementation', 'optimizations', 'line',
> > 'column', 'category', and 'subcategory'.
> >
> > The purpose of this function is to create a new thread structure
> > These structures provide a framework for storing and organizing
> > information related to thread markers, samples, frame details,
> > and stack information.
> >
> > Signed-off-by: Anup Sharma <anupnewsmail@...il.com>
> > ---
> >  .../scripts/python/firefox-gecko-converter.py | 41 +++++++++++++++++++
> >  1 file changed, 41 insertions(+)
> >
> > diff --git a/tools/perf/scripts/python/firefox-gecko-converter.py b/tools/perf/scripts/python/firefox-gecko-converter.py
> > index 95b061a97cbc..e56864e78dc1 100644
> > --- a/tools/perf/scripts/python/firefox-gecko-converter.py
> > +++ b/tools/perf/scripts/python/firefox-gecko-converter.py
> > @@ -24,6 +24,47 @@ start_time = None
> >  def process_event(param_dict):
> >         global start_time
> >         global thread_map
> > +       def _createtread(name, pid, tid):
> > +               markers = {
> > +                       'schema': {
> > +                               'name': 0,
> > +                               'startTime': 1,
> > +                               'endTime': 2,
> > +                               'phase': 3,
> > +                               'category': 4,
> > +                               'data': 5,
> > +                       },
> > +                       'data': [],
> > +               }
> > +               samples = {
> > +                       'schema': {
> > +                               'stack': 0,
> > +                               'time': 1,
> > +                               'responsiveness': 2,
> > +                               },
> > +                       'data': [],
> > +               }
> > +               frameTable = {
> > +                       'schema': {
> > +                               'location': 0,
> > +                               'relevantForJS': 1,
> > +                               'innerWindowID': 2,
> > +                               'implementation': 3,
> > +                               'optimizations': 4,
> > +                               'line': 5,
> > +                               'column': 6,
> > +                               'category': 7,
> > +                               'subcategory': 8,
> > +                       },
> > +                       'data': [],
> > +               }
> > +               stackTable = {
> > +                       'schema': {
> > +                               'prefix': 0,
> > +                               'frame': 1,
> > +                       },
> > +                       'data': [],
> > +               }
> 
> It seems this function doesn't return anything.
> Can we have a complete definition?  Otherwise it's hard to
> know how these tables are used.

I will add the complete definition in the next version.

> Thanks,
> Namhyung
> 
> 
> >
> >         def _addThreadSample(pid, tid, threadName, time_stamp, stack):
> >                 thread = thread_map.get(tid)
> > --
> > 2.34.1
> >