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

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Message-ID: <f698b4dc-be65-9911-9dee-6f2534c0ab83@huawei.com>
Date:   Thu, 19 Oct 2017 11:29:04 +0100
From:   John Garry <john.garry@...wei.com>
To:     Ganapatrao Kulkarni <gklkml16@...il.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

>>
>> #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.

Thanks,
John