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

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Message-ID: <517e19eb-010c-4509-bec3-c3f8316f2c0f@acm.org>
Date: Thu, 29 Aug 2024 07:04:57 -0400
From: Bart Van Assche <bvanassche@....org>
To: Tero Kristo <tero.kristo@...ux.intel.com>, axboe@...nel.dk
Cc: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 0/2] block: CPU latency PM QoS tuning

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.