Re: [PATCH v2 1/2] Docs/admin-guide/cgroup-v2: document io.latency rotational vs non-rotational behavior
Michal Koutný <[email protected]>
| Newsgroups | org.kernel.vger.cgroups,org.kernel.vger.linux-block,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Hi. On Fri, Jul 17, 2026 at 02:02:24PM +0800, Tao Cui <[email protected]> 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 <[email protected]>
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