Re: [PATCH v10 5/8] x86/resctrl: Make mba_sc use total bandwidth if local is not supported
From: Reinette Chatre
Date: Tue Nov 26 2024 - 13:37:13 EST
Hi Tony,
On 11/22/24 3:58 PM, Tony Luck wrote:
> The default input measurement to the mba_sc feedback loop for
> memory bandwidth control when the user mounts with the "mba_MBps"
> option is the local bandwidth event.
>
> But some systems may not support a local bandwidth event.
>
> When local bandwidth event is not supported, check for support
> of total bandwidth and use that instead.
>
> Relax the mount option check to allow use of the "mba_MBps"
> option for systems when only total bandwidth monitoring is
> supported. Also update the error message.
>
> Signed-off-by: Tony Luck <tony.luck@xxxxxxxxx>
> ---
Reviewed-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
Reinette