Re: [PATCH v2 1/2] Docs/admin-guide/cgroup-v2: document io.latency rotational vs non-rotational behavior

[Michal Koutný]

Hi.

On Fri, Jul 17, 2026 at 02:02:24PM +0800, Tao Cui <cui.tao@xxxxxxxxx> wrote:
> -		The sampling window size in milliseconds.  This is the minimum
> -		duration of time between evaluation events.  Windows only elapse
> -		with IO activity.  Idle periods extend the most recent window.
> +		(Rotational devices only.)  The sampling window size in
> +		milliseconds.  This is the minimum duration of time between
> +		evaluation events.  Windows only elapse with IO activity.  Idle
> +		periods extend the most recent window.
> +
> +	  missed
> +		(Non-rotational devices only.)  The number of IOs in the
> +		current window whose latency exceeded the target.

		A group is considered to be missing its target once
		missed reaches certain ratio of total.

I would not bind to the exact value in the docs and put the explanation
to the "missed" stanza.

Thanks for documenting missed (pun intended) fields.

Besides that
Acked-by: Michal Koutný <mkoutny@xxxxxxxx>

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