linux-kernel - Re: [PATCH v3 0/5] powerpc/perf: Add json file support for hv

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Message-ID: <CAP-5=fVu5wcb864RWa8_j8kv3XLU0Cr5nbhvrwBNytfgmuPObg@mail.gmail.com>
Date:   Fri, 17 Jul 2020 15:11:11 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     kajoljain <kjain@...ux.ibm.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Paul Clarke <pc@...ibm.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Jin Yao <yao.jin@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-perf-users <linux-perf-users@...r.kernel.org>,
        maddy@...ux.ibm.com, Ravi Bangoria <ravi.bangoria@...ux.ibm.com>,
        Anju T Sudhakar <anju@...ux.vnet.ibm.com>,
        "Liang, Kan" <kan.liang@...ux.intel.com>, nasastry@...ibm.com
Subject: Re: [PATCH v3 0/5] powerpc/perf: Add json file support for hv_24x7
 core level events

On Fri, Jul 17, 2020 at 1:55 AM Jiri Olsa <jolsa@...hat.com> wrote:
>
> On Fri, Jul 17, 2020 at 01:41:22PM +0530, kajoljain wrote:
> >
> >
> > On 7/16/20 8:52 PM, Arnaldo Carvalho de Melo wrote:
> > > Em Thu, Jul 16, 2020 at 03:12:11PM +0530, Kajol Jain escreveu:
> > >> Patchset enhance current runtime parameter support. It introduces new
> > >> fields like "PerChip" and "PerCore" similar to the field "PerPkg" which is
> > >> used to specify perpkg events.
> > >>
> > >> The "PerCore" and "PerChip" specifies whether its core or chip events.
> > >> Based on which we can decide which runtime parameter user want to
> > >> access. Now character  '?' can refers different parameter based on user
> > >> requirement.
> > >>
> > >> Initially, every time we want to add new terms like chip, core, thread
> > >> etc, we need to create corrsponding fields in pmu_events and event
> > >> struct.
> > >> This patchset adds an enum called 'aggr_mode_class' which store all these
> > >> aggregation like perpkg/percore. It also adds new field 'AggregationMode'
> > >> to capture these terms.
> > >> Now, if user wants to add any new term, they just need to add it in
> > >> the enum defined. I try to test it with  my current setup.
> > >>
> > >> I also need to replace PerPkg field to AggregationMode in all the
> > >> x86 uncore json files. It will great if Andi and team can test it
> > >> and let me know if they have any concerns.
> > >>
> > >> Changelog:
> > >> v2 -> v3:
> > >> - Did some nits changes suggested by Jiri include correction of
> > >>   indentation, and making PerCore/PerChip values forward after
> > >>   PerPkg as 1 in the enum.
> > >> - Rebase the patchset on Arnaldo's tmp.perf/core branch.
> > >> - Change RFC tag
> > >
> > > Hey, have anybody provided Acked-by/Reviewed-by for previous revisions
> > > of this patchset? If so you could have collected them for patches
> > > without changes, was that the case?
> >
> > Hi Arnaldo,
> >       I did get "Acked-by: Ian Rogers" on my initial prototype which I send in my RFC.
> > Link to the patch: https://lkml.org/lkml/2020/7/5/399
> >
> > After that, I break it down and made some nits changes as suggested by Jiri, that's why I didn't
> > add his Acked-by tag.
> > Ian should I add it, if it seems fine to you.
>
> I posted one more comment and I'd also like to hear from
> guys maintainng json list on intel side that they are ok
> with this, mainly the change introduced in:
>
>   pmu-events/x86/uncore: Replace PerPkg field to AggregationMode in x86 json files
>
> Andi?
>
> thanks,
> jirka

I am happy with this change.

Acked-by: Ian Rogers <irogers@...gle.com>

Thanks,
Ian