Re: [PATCH v12 13/13] Documentation/x86: Update resctrl.rst for new features

From: Reinette Chatre
Date: Tue Jan 17 2023 - 17:35:34 EST


Hi Babu,

On 1/13/2023 7:20 AM, Babu Moger wrote:
> Update the documentation for the new features:
> 1. Slow Memory Bandwidth allocation (SMBA).
> With this feature, the QOS enforcement policies can be applied
> to the external slow memory connected to the host. QOS enforcement
> is accomplished by assigning a Class Of Service (COS) to a processor
> and specifying allocations or limits for that COS for each resource
> to be allocated.
>
> 2. Bandwidth Monitoring Event Configuration (BMEC).
> The bandwidth monitoring events mbm_total_bytes and mbm_local_bytes
> are set to count all the total and local reads/writes respectively.
> With the introduction of slow memory, the two counters are not
> enough to count all the different types of memory events. With the
> feature BMEC, the users have the option to configure mbm_total_bytes
> and mbm_local_bytes to count the specific type of events.
>
> Also add configuration instructions with examples.
>
> Signed-off-by: Babu Moger <babu.moger@xxxxxxx>

Thank you.

Reviewed-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>

Reinette