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From: Peter Zijlstra <peterz@infradead.org>
To: Juri Lelli <juri.lelli@redhat.com>
Cc: Gabriele Monaco <gmonaco@redhat.com>,
	linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
	Clark Williams <williams@redhat.com>
Subject: Re: [RFC PATCH] sched/deadline: Avoid dl_server boosting with expired deadline
Date: Tue, 14 Oct 2025 21:33:00 +0200	[thread overview]
Message-ID: <20251014193300.GA1206438@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <aO5zxvoCPNfWwfoK@jlelli-thinkpadt14gen4.remote.csb>

On Tue, Oct 14, 2025 at 06:01:10PM +0200, Juri Lelli wrote:

> Shouldn't idle time be accounted (subtracted from runtime) as well, though?

Argh, indeed. Then I suppose we should look at bringing some of that
'idle-for-whole-period' logic to try and actually stop the timer at some
point if nothing happens.



  reply	other threads:[~2025-10-14 19:33 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-07 12:29 Gabriele Monaco
2025-10-14  9:30 ` Gabriele Monaco
2025-10-14  9:54 ` Peter Zijlstra
2025-10-14 10:05   ` Gabriele Monaco
2025-10-14 10:25     ` Peter Zijlstra
2025-10-14 15:32       ` Gabriele Monaco
2025-10-14 16:01         ` Juri Lelli
2025-10-14 19:33           ` Peter Zijlstra [this message]
2025-10-15  5:40             ` Juri Lelli
2025-10-20 14:11               ` Peter Zijlstra
2025-10-22 10:11                 ` Gabriele Monaco
2025-10-30 18:42                   ` Peter Zijlstra
2025-10-31 13:05                     ` Peter Zijlstra
2025-10-31 13:24                       ` Gabriele Monaco
2025-10-31 15:20                         ` Peter Zijlstra
2025-10-31 15:41                           ` Gabriele Monaco
2025-10-31 15:44                             ` Peter Zijlstra
2025-10-31 15:51                               ` Gabriele Monaco
2025-11-01  0:00                               ` Peter Zijlstra
2025-11-11  9:58                                 ` Gabriele Monaco
2025-11-11 11:17                                   ` Peter Zijlstra
2025-11-11 11:24                                     ` Peter Zijlstra
2025-11-11 11:37                                 ` [tip: sched/core] sched/deadline: Fix dl_server stop condition tip-bot2 for Peter Zijlstra
2025-11-01  0:08                             ` [RFC PATCH] sched/deadline: Avoid dl_server boosting with expired deadline Peter Zijlstra
2025-11-01  8:43                               ` Gabriele Monaco
2025-11-11 11:37                 ` [tip: sched/core] sched/deadline: Fix dl_server time accounting tip-bot2 for Peter Zijlstra

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