From: Matt Fleming <matt@readmodwrite.com>
To: Andrea Righi <arighi@nvidia.com>
Cc: Tejun Heo <tj@kernel.org>,
sched-ext@lists.linux.dev, kernel-team@cloudflare.com,
void@manifault.com, changwoo@igalia.com, peterz@infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: sched_ext: Partial mode priority and fallthrough to EEVDF
Date: Wed, 11 Mar 2026 11:22:59 +0000 [thread overview]
Message-ID: <abFNlwrDdtNjU_yF@matt-Precision-5490> (raw)
In-Reply-To: <abBm6B7wO0iZKidR@gpd4>
On Tue, Mar 10, 2026 at 07:46:00PM +0100, Andrea Righi wrote:
>
> I think you can model your scenario using the ext deadline server. For
> instance, if you run:
>
> # echo 500000000 | tee /sys/kernel/debug/sched/ext_server/cpu*/runtime
>
> This would give sched_ext tasks a guaranteed 50% bandwidth on all CPUs,
> (default is 5%), even if there are tasks running at higher sched classes.
>
> Would this approach work for your needs?
It looks like it would, yes. Thanks! I'll start experimenting and report back.
Are there any plans to backport this to 6.18 LTS?
next prev parent reply other threads:[~2026-03-11 11:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-10 14:52 sched_ext: Partial mode priority and fallthrough to EEVDF Matt Fleming
2026-03-10 18:27 ` Tejun Heo
2026-03-10 18:46 ` Andrea Righi
2026-03-11 11:22 ` Matt Fleming [this message]
2026-03-11 11:10 ` Matt Fleming
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