linux-kernel - Re: [PATCH v2] sched/deadline: Reset dl

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Message-ID: <20260130122413.GA3306656@noisy.programming.kicks-ass.net>
Date: Fri, 30 Jan 2026 13:24:13 +0100
From: Peter Zijlstra <peterz@...radead.org>
To: Andrea Righi <arighi@...dia.com>
Cc: Gabriele Monaco <gmonaco@...hat.com>, Ingo Molnar <mingo@...hat.com>,
	Juri Lelli <juri.lelli@...hat.com>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Dietmar Eggemann <dietmar.eggemann@....com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
	Valentin Schneider <vschneid@...hat.com>, Tejun Heo <tj@...nel.org>,
	Joel Fernandes <joelagnelf@...dia.com>,
	David Vernet <void@...ifault.com>,
	Changwoo Min <changwoo@...lia.com>,
	Daniel Hodges <hodgesd@...a.com>, sched-ext@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] sched/deadline: Reset dl_server execution state on
 stop

On Wed, Jan 28, 2026 at 02:41:40PM +0100, Andrea Righi wrote:

> Just to make sure we're testing the same thing, I'm currently using
> https://git.kernel.org/pub/scm/linux/kernel/git/arighi/linux.git, branch
> scx-dl-server.
> 
> I'm running this test inside virtme-ng:
>   $ vng -vb --config tools/testing/selftests/sched_ext/config
>   $ vng -v -- tools/testing/selftests/sched_ext/runner -t rt_stall

Apparently you also have to actually have that runner thing built from
that tree.

Anyway, all I seem to be able to get (on x86) is PASS: 1 :/