linux-kernel - Re: [PATCH v6 4/4] perf vendor events arm64: Add ThunderX2 implementation defined pmu core events

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Date:   Thu, 31 Aug 2017 18:29:01 +0800
From:   Zhangshaokun <zhangshaokun@...ilicon.com>
To:     Robert Richter <robert.richter@...ium.com>
CC:     Ganapatrao Kulkarni <ganapatrao.kulkarni@...ium.com>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <Will.Deacon@....com>,
        <catalin.marinas@....com>, <mark.rutland@....com>,
        <acme@...nel.org>, <alexander.shishkin@...ux.intel.com>,
        <peterz@...radead.org>, <mingo@...hat.com>,
        <jnair@...iumnetworks.com>, <Jonathan.Cameron@...wei.com>,
        <gklkml16@...il.com>, John Garry <john.garry@...wei.com>
Subject: Re: [PATCH v6 4/4] perf vendor events arm64: Add ThunderX2
 implementation defined pmu core events

Hi Robert,

On 2017/8/29 20:47, Robert Richter wrote:
> Shaokun,
> 
> On 29.08.17 17:26:00, Zhangshaokun wrote:
>> On 2017/8/24 20:03, Ganapatrao Kulkarni wrote:
>>> This is not a full event list, but a short list of useful events.
>>>
>>> Signed-off-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@...ium.com>
>>> ---
>>>  tools/perf/pmu-events/arch/arm64/mapfile.csv       | 15 ++++++
>>>  .../arm64/thunderx2/implementation-defined.json    | 62 ++++++++++++++++++++++
>>>  2 files changed, 77 insertions(+)
>>>  create mode 100644 tools/perf/pmu-events/arch/arm64/mapfile.csv
>>>  create mode 100644 tools/perf/pmu-events/arch/arm64/thunderx2/implementation-defined.json
>>>
>>
>> I saw you also used thunderx2 in tools/perf/pmu-events/arch/arm64/, how about John's suggestion
>> that would use vendor sub-folder?
>> Of course, appreciate maintainer's comments.
> 
> this would just add another level of subdirectories. I rather would
> prefer to have a per platform dir comparable to what is listed in
> 
>  arch/arm64/Kconfig.platforms
> 

Check it again that not all vendors have specific platform config per SoC family,
so this would not work for us (HiSilicon) and maybe some other vendors.

Thanks,
Shaokun

> This is the same as Ganapat has implemented it.
> 
> -Robert
> 
>