linux-kernel - Re: [PATCH v4 0/5] powerpc/perf: Add json file support for hv

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Date:   Mon, 20 Jul 2020 21:21:33 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Kajol Jain <kjain@...ux.ibm.com>, ak@...ux.intel.com
Cc:     acme@...nel.org, peterz@...radead.org, mingo@...hat.com,
        mark.rutland@....com, alexander.shishkin@...ux.intel.com,
        pc@...ibm.com, namhyung@...nel.org, yao.jin@...ux.intel.com,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        irogers@...gle.com, maddy@...ux.ibm.com,
        ravi.bangoria@...ux.ibm.com, anju@...ux.vnet.ibm.com,
        kan.liang@...ux.intel.com, nasastry@...ibm.com
Subject: Re: [PATCH v4 0/5] powerpc/perf: Add json file support for hv_24x7
 core level events

On Mon, Jul 20, 2020 at 12:31:22PM +0530, Kajol Jain wrote:
> 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:
> v3 -> v4:
> - Include pmu-events.h header file in jevents.c and remove
>   redecalaration of enum aggr_mode_class as Suggested by Jiri.
> - Add Acked-by tag.

looks good to me, but still missing reaction from people maintaining
intel's jsons

jirka