linux-kernel - Re: [PATCH] perf vendor events arm64: Add hip08 implementation defined PMU core events

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Message-ID: <CAKTKpr6Z2d4v4VPTGf0xdOTEZvwQ1f5SZ5urOYk3CPJReZp+_A@mail.gmail.com>
Date:   Wed, 25 Oct 2017 15:36:25 +0530
From:   Ganapatrao Kulkarni <gklkml16@...il.com>
To:     John Garry <john.garry@...wei.com>
Cc:     Will Deacon <will.deacon@....com>,
        Shaokun Zhang <zhangshaokun@...ilicon.com>,
        Ganapatrao Kulkarni <ganapatrao.kulkarni@...ium.com>,
        linux-kernel@...r.kernel.org, Linuxarm <linuxarm@...wei.com>,
        jonathan.cameron@...wei.com, Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Subject: Re: [PATCH] perf vendor events arm64: Add hip08 implementation
 defined PMU core events

Hi John,

On Thu, Oct 19, 2017 at 3:59 PM, John Garry <john.garry@...wei.com> wrote:
>>>
>>> #Family-model,Version,Filename,EventType
>>> 0x00000000420f5160,v1,cavium,core
>>> 0x00000000420f5161,v1,cavium,core
>>
>>
>> certainly, there is Part number(PartNum, bits [15:4] ) change from
>> thunderx2 to thunderx3.
>> thunderx3 should have its own json file describing all its supported
>> events.
>> same applies to other SoCs as well.
>>
>> IIUC, the idea of ignoring Revision and Variants is that, the PMU
>> design/version wont change across Revisions and Variants.
>>
>
> Hi Ganapatrao,
>
> Right, I should have modified the part num for my illustration, but I am
> still concerned. Please see my example in the other mail and check what I am
> missing.

ok, then my original naming was more appropriate.
i.e have josn files defined in SoC directory, instead of having single
vendor directory for all SoC json files.

like,
          pmu-events/arch/arm64/thunderx2
          pmu-events/arch/arm64/thunderx3
          pmu-events/arch/arm64/hip08
          pmu-events/arch/arm64/hip09

>
> Thanks,
> John
>
>
>
>

thanks
Ganapat