Re: [PATCH v6 00/30] x86,fs/resctrl telemetry monitoring
From: Reinette Chatre
Date: Mon Jun 30 2025 - 13:52:46 EST
Tony,
On 6/26/25 9:49 AM, Tony Luck wrote:
> Background
> ----------
>
> Telemetry features are being implemented in conjunction with the
> IA32_PQR_ASSOC.RMID value on each logical CPU. This is used to send
> counts for various events to a collector in a nearby OOBMSM device to be
> accumulated with counts for each <RMID, event> pair received from other
> CPUs. Cores send event counts when the RMID value changes, or after each
> 2ms elapsed time.
To start a review of this jumbo series and find that the *first* [1]
(straight forward) request from previous review has not been addressed is
demoralizing. I was hoping that the previous version's discussions would result
in review feedback either addressed or discussed (never ignored). I
cannot imagine how requesting OOBMSM to be expanded can be invalid though.
Reinette
[1] https://lore.kernel.org/lkml/b8ddce03-65c0-4420-b30d-e43c54943667@xxxxxxxxx/