Re: [RFC PATCH 0/2] block: CPU latency PM QoS tuning

From: Tero Kristo
Date: Wed Sep 04 2024 - 07:36:01 EST


On Thu, 2024-08-29 at 07:04 -0400, Bart Van Assche wrote:
> On 8/29/24 3:18 AM, Tero Kristo wrote:
> > Any thoughts about the patches and the approach taken?
>
> The optimal value for the PM QoS latency depends on the request size
> and on the storage device characteristics. I think it would be better
> if the latency value would be chosen automatically rather than
> introducing yet another set of tunable sysfs parameters.
>
> Thanks,
>
> Bart.
>

Hi all,

Based on the feedback received, I've updated my patch to work on the
NVMe driver level instead of block layer. I'll send that to the
corresponding list as a separate RFC, but for now these two patches can
be ignored.

-Tero