linux-kernel - Re: [PATCH V2] perf cs-etm: Add fix for coresight trace for any range of CPUs

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Message-ID: <c4868b79-b617-e6f6-383f-00d14042fd67@arm.com>
Date:   Wed, 3 May 2023 14:31:16 +0100
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Ganapatrao Kulkarni <gankulkarni@...amperecomputing.com>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        mike.leach@...aro.org, mathieu.poirier@...aro.org,
        darren@...amperecomputing.com, scott@...amperecomputing.com,
        scclevenger@...amperecomputing.com
Subject: Re: [PATCH V2] perf cs-etm: Add fix for coresight trace for any range
 of CPUs

On 29/04/2023 02:57, Arnaldo Carvalho de Melo wrote:
> Em Thu, Apr 20, 2023 at 10:52:53PM -0700, Ganapatrao Kulkarni escreveu:
>> The current implementation supports coresight trace decode for a range
>> of CPUs, if the first CPU is CPU0.
>>
>> Perf report segfaults, if tried for sparse CPUs list and also for
>> any range of CPUs(non zero first CPU).
>>
>> Adding a fix to perf report for any range of CPUs and for sparse list.
> 
> Can some ARM people please review this?
> 
> - Arnaldo

Reviewed-by: Suzuki K Poulose <suzuki.poulose@....com>

Suzuki