linux-kernel - RE: [RFC PATCH v14 0/8] TPEBS counting mode support

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Message-ID: <DM8PR11MB56372A51C1D0D2EEDDA95E31EEDC2@DM8PR11MB5637.namprd11.prod.outlook.com>
Date: Tue, 2 Jul 2024 04:27:08 +0000
From: "Wang, Weilin" <weilin.wang@...el.com>
To: Namhyung Kim <namhyung@...nel.org>
CC: Ian Rogers <irogers@...gle.com>, Arnaldo Carvalho de Melo
	<acme@...nel.org>, Peter Zijlstra <peterz@...radead.org>, Ingo Molnar
	<mingo@...hat.com>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>, "Hunter, Adrian" <adrian.hunter@...el.com>, Kan
 Liang <kan.liang@...ux.intel.com>, "linux-perf-users@...r.kernel.org"
	<linux-perf-users@...r.kernel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "Taylor, Perry" <perry.taylor@...el.com>,
	"Alt, Samantha" <samantha.alt@...el.com>, "Biggers, Caleb"
	<caleb.biggers@...el.com>
Subject: RE: [RFC PATCH v14 0/8] TPEBS counting mode support



> -----Original Message-----
> From: Wang, Weilin
> Sent: Saturday, June 29, 2024 10:13 PM
> To: Namhyung Kim <namhyung@...nel.org>
> Cc: Ian Rogers <irogers@...gle.com>; Arnaldo Carvalho de Melo
> <acme@...nel.org>; Peter Zijlstra <peterz@...radead.org>; Ingo Molnar
> <mingo@...hat.com>; Alexander Shishkin
> <alexander.shishkin@...ux.intel.com>; Jiri Olsa <jolsa@...nel.org>; Hunter,
> Adrian <adrian.hunter@...el.com>; Kan Liang <kan.liang@...ux.intel.com>;
> linux-perf-users@...r.kernel.org; linux-kernel@...r.kernel.org; Taylor, Perry
> <perry.taylor@...el.com>; Alt, Samantha <samantha.alt@...el.com>; Biggers,
> Caleb <caleb.biggers@...el.com>
> Subject: RE: [RFC PATCH v14 0/8] TPEBS counting mode support
> 
> 
> 
> > -----Original Message-----
> > From: Namhyung Kim <namhyung@...nel.org>
> > Sent: Thursday, June 27, 2024 1:32 PM
> > To: Wang, Weilin <weilin.wang@...el.com>
> > Cc: Ian Rogers <irogers@...gle.com>; Arnaldo Carvalho de Melo
> > <acme@...nel.org>; Peter Zijlstra <peterz@...radead.org>; Ingo Molnar
> > <mingo@...hat.com>; Alexander Shishkin
> > <alexander.shishkin@...ux.intel.com>; Jiri Olsa <jolsa@...nel.org>; Hunter,
> > Adrian <adrian.hunter@...el.com>; Kan Liang <kan.liang@...ux.intel.com>;
> > linux-perf-users@...r.kernel.org; linux-kernel@...r.kernel.org; Taylor, Perry
> > <perry.taylor@...el.com>; Alt, Samantha <samantha.alt@...el.com>;
> Biggers,
> > Caleb <caleb.biggers@...el.com>
> > Subject: Re: [RFC PATCH v14 0/8] TPEBS counting mode support
> >
> > On Wed, Jun 26, 2024 at 06:17:22PM +0000, Wang, Weilin wrote:
> > >
> > >
> > > > -----Original Message-----
> > > > From: Namhyung Kim <namhyung@...nel.org>
> > > > Sent: Wednesday, June 26, 2024 10:59 AM
> > > > To: Wang, Weilin <weilin.wang@...el.com>
> > > > Cc: Ian Rogers <irogers@...gle.com>; Arnaldo Carvalho de Melo
> > > > <acme@...nel.org>; Peter Zijlstra <peterz@...radead.org>; Ingo Molnar
> > > > <mingo@...hat.com>; Alexander Shishkin
> > > > <alexander.shishkin@...ux.intel.com>; Jiri Olsa <jolsa@...nel.org>;
> Hunter,
> > > > Adrian <adrian.hunter@...el.com>; Kan Liang
> <kan.liang@...ux.intel.com>;
> > > > linux-perf-users@...r.kernel.org; linux-kernel@...r.kernel.org; Taylor,
> > Perry
> > > > <perry.taylor@...el.com>; Alt, Samantha <samantha.alt@...el.com>;
> > Biggers,
> > > > Caleb <caleb.biggers@...el.com>
> > > > Subject: Re: [RFC PATCH v14 0/8] TPEBS counting mode support
> > > >
> > > > On Mon, Jun 24, 2024 at 06:20:16PM -0400, weilin.wang@...el.com
> > wrote:
> > > > > From: Weilin Wang <weilin.wang@...el.com>
> > > > >
> > > > > Changes in v14:
> > > > >  - Fix the python import test failure. We cannot support PYTHON_PERF
> > > > because it
> > > > >  will trigger a chain of dependency issues if we add intel-tpebs.c to it.
> So,
> > > > >  only enable tpebs functions in evsel and evlist when PYTHON_PERF is
> not
> > > > >  defined.
> > > >
> > > > I think it's easier if we have Ian's python build cleanup first.
> > > >
> > > >   https://lore.kernel.org/linux-perf-users/20240625214117.953777-1-
> > > > irogers@...gle.com
> > > >
> > > > Let me take a look at it..
> > >
> > > Ok, I will hold the cmd option name update until we conclude on this one.
> > > Thanks a lot!
> >
> > Please take a look at the current perf-tools-next branch.
> 
> Hi Namhyung,
> 
> The python import test works correctly with the latest perf-tools-next branch
> without the change I added in v14. I will send a new version that reverts this
> change and update the command line option. Is there any other changes
> you'd
> like me to add?

Hi Namhyung,

I'm planning to submit the new version before Wednesday. Please let me know if
you have any new comment on this.

Thanks,
Weilin

> 
> Thanks,
> Weilin
> 
> >
> > Thanks,
> > Namhyung
> >