From: Cyril Hrubis <chrubis@suse.cz>
To: Li Wang <liwang@redhat.com>
Cc: ltp@lists.linux.it
Subject: Re: [LTP] [PATCH] sched_football: synchronize with kickoff flag to reduce skew
Date: Thu, 4 Sep 2025 12:08:08 +0200 [thread overview]
Message-ID: <aLllCF-dioIEJftH@yuki.lan> (raw)
In-Reply-To: <CAEemH2ecch7oK5RMCGx-Dagw3=FUa3PDA69GJpjkw+zvEtxy_w@mail.gmail.com>
Hi!
> > No Cyril wasn't wrong. The realtime schedulling priorities in kernel are
> > completely different thing from realtime kernel patchset.
> >
>
> Yes, we can set up processes with SCHED_FIFO or SCHED_RR policies
> on the stock kernel, but it's not the same thing as the PREEMPT_RT kernel.
Honestly it is, the difference with PREEMT_RT is that the scheduller is
more aggressive, which probably explains why things settle down into a
steady state faster after the barrier.
--
Cyril Hrubis
chrubis@suse.cz
--
Mailing list info: https://lists.linux.it/listinfo/ltp
prev parent reply other threads:[~2025-09-04 10:07 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-04 6:41 [LTP] [PATCH] sched_football: synchronize with kickoff flag to reduce skew Li Wang via ltp
2025-09-04 7:20 ` Andrea Cervesato via ltp
2025-09-04 9:48 ` Petr Vorel
2025-09-04 9:54 ` Cyril Hrubis
2025-09-04 10:04 ` Li Wang via ltp
2025-09-04 10:08 ` Cyril Hrubis [this message]
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