linux-kernel - Re: [PATCH V2 09/11] coresight: etm-perf: Truncate the perf record if handle has no space

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Message-ID: <70925374-15c7-538a-321e-9af15aa3bd61@arm.com>
Date:   Wed, 13 Jan 2021 09:48:55 +0000
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     Anshuman Khandual <anshuman.khandual@....com>,
        linux-arm-kernel@...ts.infradead.org, coresight@...ts.linaro.org
Cc:     mathieu.poirier@...aro.org, mike.leach@...aro.org,
        Linu Cherian <lcherian@...vell.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 09/11] coresight: etm-perf: Truncate the perf record if
 handle has no space

On 1/13/21 4:18 AM, Anshuman Khandual wrote:
> While starting off the etm event, just abort and truncate the perf record
> if the perf handle as no space left. This avoids configuring both source
> and sink devices in case the data cannot be consumed in perf.
> 
> Cc: Mathieu Poirier <mathieu.poirier@...aro.org>
> Cc: Mike Leach <mike.leach@...aro.org>
> Cc: Suzuki K Poulose <suzuki.poulose@....com>
> Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>

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