Re: [REPORT] sched: ITMT + DELAY_DEQUEUE: woken task waits ~1 ms behind another task on the preferred CPU while allowed CPUs are idle

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From: Mike Galbraith

Date: Tue Nov 03 2026 - 22:14:10 EST

On Wed, 2026-11-04 at 00:33 +0100, Francesco Nigro wrote:
>
> Is it expected that ITMT keeps two busy threads on the same two
> top-ranked CPUs, sometimes on the same one, while the other allowed
> CPUs are idle?

In your specific case, dunno. In general, absolutely.

-Mike