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

[Suzuki Kuruppassery Poulose]

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 at linaro.org>

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