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Date: Tue, 16 Sep 2025 23:30:36 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: John Stultz <jstultz@google.com>
Cc: Juri Lelli <juri.lelli@redhat.com>, LKML <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@redhat.com>,
	Vincent Guittot <vincent.guittot@linaro.org>,
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Subject: Re: [RFC][PATCH] sched/deadline: Fix dl_server getting stuck,
 allowing cpu starvation
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On Tue, Sep 16, 2025 at 10:35:46AM -0700, John Stultz wrote:
> I of course still see the thread spawning issues with my
> ksched_football test that come from keeping the dl_server running for
> the whole period, but that's a separate thing I'm trying to isolate.

So what happens with that football thing -- you're saying thread
spawning issues, so kthread_create() is not making progress?

You're also saying 'keeping the dl_server running for the whole period',
are you seeing it not being limited to its allocated bandwidth?

Per the bug today, the dl_server does get throttled, not sufficiently?