linux-kernel - Re: [PATCH] perf vendor events aarch64: Add JSON metrics for ARM Cortex-A53 Processor

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Message-ID: <c0d905c6-948d-98b1-85ca-5aa8b5090435@redhat.com>
Date:   Thu, 1 Feb 2018 16:52:16 -0500
From:   William Cohen <wcohen@...hat.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     peterz@...radead.org, mingo@...hat.com,
        linux-kernel@...r.kernel.org, alexander.shishkin@...ux.intel.com,
        jolsa@...hat.com, namhyung@...nel.org
Subject: Re: [PATCH] perf vendor events aarch64: Add JSON metrics for ARM
 Cortex-A53 Processor

On 02/01/2018 03:51 PM, Arnaldo Carvalho de Melo wrote:
> Em Thu, Feb 01, 2018 at 10:12:59AM -0500, William Cohen escreveu:
>> On 02/01/2018 09:43 AM, Arnaldo Carvalho de Melo wrote:
>>> Em Tue, Jan 30, 2018 at 10:28:13PM -0500, William Cohen escreveu:
>>>> Add JSON metrics for ARM Cortex-A53 Processor
>>>
>>> Hi Will, would it be possible to you include an URL for the document
>>> that served as a reference to you to write these files? Did you use some
>>> script?
>>
>> Hi Arnaldo,
>  
>> I can certainly add the reference to section "12.9 Events" of the ARM
>> Cortex -A53 MPCore Processor Revision: r0p4 Technical Reference Manual
>> to the patch.  That would be useful for people to know where to look
>> for additional information about the events.
> 

Hi Arnaldo,

The ARM Cortex A53 manual is available at:

http://infocenter.arm.com/help/topic/com.arm.doc.ddi0500g/DDI0500G_cortex_a53_trm.pdf

It would probably be useful to include that URL in the commit information to make it easier for people to look up the information.

-Will

> I'll take these clarifications and add it to your patch, that I am
> applying now, please let me know if you have anything else to add and
> I'll ammend it if I get it before I send it upstream.
>  
>> Unlike the Intel processors there isn't a script that automatically
>> generated these files. The patch was manually generated from the
>> documentation and the previous oprofile ARM Cortex ac53 event file
>> patch I made.
> 
> Thanks a lot for this extra information,
> 
> - Arnaldo
>