Re: [PATCH v5 10/14] perf: cs-etm: Update record event to use new Trace ID protocol

[Suzuki K Poulose]

On 01/11/2022 16:30, Mike Leach wrote:
> Trace IDs are now dynamically allocated.
>
> Previously used the static association algorithm that is no longer
> used. The 'cpu * 2 + seed' was outdated and broken for systems with high
> core counts (>46). as it did not scale and was broken for larger
> core counts.
>
> Trace ID will now be sent in PERF_RECORD_AUX_OUTPUT_HW_ID record.
>
> Legacy ID algorithm renamed and retained for limited backward
> compatibility use.
>
> Signed-off-by: Mike Leach <mike.leach@xxxxxxxxxx>
> Reviewed-by: James Clark <james.clark@xxxxxxx>

Acked-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>