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From: Bart Van Assche <bvanassche@acm.org>
To: Tero Kristo <tero.kristo@linux.intel.com>, axboe@kernel.dk
Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 0/2] block: CPU latency PM QoS tuning
Date: Thu, 29 Aug 2024 07:04:57 -0400	[thread overview]
Message-ID: <517e19eb-010c-4509-bec3-c3f8316f2c0f@acm.org> (raw)
In-Reply-To: <20240829075423.1345042-1-tero.kristo@linux.intel.com>

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.


  parent reply	other threads:[~2024-08-29 11:05 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-29  7:18 Tero Kristo
2024-08-29  7:18 ` [RFC PATCH 1/2] bdev: add support for " Tero Kristo
2024-08-29 11:37   ` Jens Axboe
2024-08-30 11:55     ` Tero Kristo
2024-08-30 14:26       ` Ming Lei
2024-09-04 11:37         ` Tero Kristo
2024-08-29  7:18 ` [RFC PATCH 2/2] block/genhd: add sysfs knobs for the CPU latency PM QoS settings Tero Kristo
2024-08-29 11:04 ` Bart Van Assche [this message]
2024-08-30 12:01   ` [RFC PATCH 0/2] block: CPU latency PM QoS tuning Tero Kristo
2024-09-04 11:35   ` Tero Kristo

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