linux-kernel - Re: [PATCH v5 03/14] coresight: perf: traceid: Add perf ID allocation and notifiers

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Message-ID: <c974168f-d997-18e0-22fd-07a0e73c5aef@arm.com>
Date:   Tue, 8 Nov 2022 15:04:50 +0000
From:   Suzuki Kuruppassery Poulose <suzuki.poulose@....com>
To:     Mike Leach <mike.leach@...aro.org>, coresight@...ts.linaro.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     mathieu.poirier@...aro.org, peterz@...radead.org, mingo@...hat.com,
        acme@...nel.org, linux-perf-users@...r.kernel.org,
        leo.yan@...aro.org, quic_jinlmao@...cinc.com
Subject: Re: [PATCH v5 03/14] coresight: perf: traceid: Add perf ID allocation
 and notifiers

On 01/11/2022 16:30, Mike Leach wrote:
> Adds in calls to allocate and release Trace ID for the CPUs in use
> by the perf session.
> 
> Adds in notifier calls to the trace ID allocator that perf
> events are starting and stopping.
> 
> This ensures that Trace IDs associated with CPUs remain the same
> throughout the perf session, and are only released when all perf
> sessions are complete.
> 
> Signed-off-by: Mike Leach <mike.leach@...aro.org>

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