linux-kernel - RE: [PATCH v5 4/4] perf/marvell: cn10k DDR perf event core ownership

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Date:   Mon, 18 Oct 2021 04:37:58 +0000
From:   Bhaskara Budiredla <bbudiredla@...vell.com>
To:     Bharat Bhushan <bbhushan2@...vell.com>,
        "will@...nel.org" <will@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        Sunil Kovvuri Goutham <sgoutham@...vell.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Bharat Bhushan <bbhushan2@...vell.com>
Subject: RE: [PATCH v5 4/4] perf/marvell: cn10k DDR perf event core ownership



>
>As DDR perf event counters are not per core, so they should be accessed only
>by one core at a time. Select new core when previously owning core is going
>offline.
>
>Signed-off-by: Bharat Bhushan <bbhushan2@...vell.com>
>---

Reviewed-by: Bhaskara Budiredla <bbudiredla@...vell.com>