linux-kernel - Re: [PATCH v5 0/4] Add support for ThunderX2 pmu events using json files

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Message-ID: <CAKTKpr6KB3VQ0bg-nA02T2-o9D1WbqS9UAinCN7YYwVd=MhyWg@mail.gmail.com>
Date:   Thu, 24 Aug 2017 12:53:06 +0530
From:   Ganapatrao Kulkarni <gklkml16@...il.com>
To:     John Garry <john.garry@...wei.com>
Cc:     Ganapatrao Kulkarni <ganapatrao.kulkarni@...ium.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Will Deacon <Will.Deacon@....com>, mark.rutland@....com,
        alexander.shishkin@...ux.intel.com, catalin.marinas@....com,
        Zi.Lim@...ium.com, linux-kernel@...r.kernel.org,
        Zhangshaokun <zhangshaokun@...ilicon.com>, peterz@...radead.org,
        Robert.Richter@...ium.com, mingo@...hat.com,
        jnair@...iumnetworks.com, linux-arm-kernel@...ts.infradead.org,
        Ganapatrao Kulkarni <gpkulkarni@...il.com>,
        Linuxarm <linuxarm@...wei.com>
Subject: Re: [PATCH v5 0/4] Add support for ThunderX2 pmu events using json files

Hi John,

On Wed, Aug 23, 2017 at 2:52 PM, John Garry <john.garry@...wei.com> wrote:
> On 22/08/2017 05:21, Ganapatrao Kulkarni wrote:
>>
>> Hi Arnaldo, Will,
>>
>> are there any comments on this series?
>>
>
> Hi Ganapatrao,
>
> Is it possible to have vendor sub-folder in tools/perf/pmu-events/arch/arm64
> folder (like arm64 device tree files)? We (HiSilicon) want to add support
> for our hip08 SoC, and I don't think "hip08" or "<internal code name for
> core>" are good arch sub-folder names.

at present the directory structure is in-line with as done for x86 and powerpc.
there can be separate patchset to have directory hierarchy as
suggested by you, if every one agrees on it!

>
> I am not sure if this way discussed before, but the changelog does not
> mention it. And I think that we had the same location for thunderx2 in v1
> series.
>
> We should also consider that in theory the events could change per SoC using
> the same custom ARMv8 custom implementation.
>
> Thanks,
> John
>
>>
>> On Wed, Aug 16, 2017 at 12:40 PM, Ganapatrao Kulkarni
>> <ganapatrao.kulkarni@...ium.com> wrote:
>>>
>>> Extending json/jevent framework for parsing arm64 event files.
>>> Adding jevents for ThunderX2 implementation defined PMU events.
>>>
>>> v5:
>>>    - Addressed comments from Arnaldo.
>>>    - Rebased to 4.13-rc5
>>>
>>> v4:
>>>    - Rebased to 4.13-rc1
>>>
>>> v3:
>>>    - Addressed comments from Will Deacon and Jayachandran C.
>>>    - Rebased to 4.12-rc1
>>>
>>> v2:
>>>    - Updated as per Mark Rutland's suggestions.
>>>    - Added provision for get_cpuid_str to get cpu id string
>>>      from associated cpus of pmu core device.
>>>
>>> v1: Initial patchset.
>>>
>>> Ganapatrao Kulkarni (4):
>>>   perf utils: passing pmu as a parameter to function get_cpuid_str
>>>   perf tools arm64: Add support for get_cpuid_str function.
>>>   perf utils: Add helper function is_pmu_core to detect PMU CORE devices
>>>   perf vendor events arm64: Add ThunderX2 implementation defined pmu
>>>     core events
>>>
>>>  tools/perf/arch/arm64/util/Build                   |  1 +
>>>  tools/perf/arch/arm64/util/header.c                | 61
>>> +++++++++++++++++++++
>>>  tools/perf/arch/powerpc/util/header.c              |  2 +-
>>>  tools/perf/arch/x86/util/header.c                  |  2 +-
>>>  tools/perf/pmu-events/arch/arm64/mapfile.csv       | 15 ++++++
>>>  .../arm64/thunderx2/implementation-defined.json    | 62
>>> ++++++++++++++++++++++
>>>  tools/perf/util/header.h                           |  3 +-
>>>  tools/perf/util/pmu.c                              | 53
>>> +++++++++++++++---
>>>  8 files changed, 188 insertions(+), 11 deletions(-)
>>>  create mode 100644 tools/perf/arch/arm64/util/header.c
>>>  create mode 100644 tools/perf/pmu-events/arch/arm64/mapfile.csv
>>>  create mode 100644
>>> tools/perf/pmu-events/arch/arm64/thunderx2/implementation-defined.json
>>>
>>> --
>>> 2.9.4
>>>
>>
>> thanks
>> Ganapat
>>
>> _______________________________________________
>> linux-arm-kernel mailing list
>> linux-arm-kernel@...ts.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>>
>> .
>>
>
>

thanks
Ganapat

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