From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F1266376BC2; Fri, 30 Jan 2026 12:24:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769775864; cv=none; b=TWTTRgy+tL+n4EYW6vQuYV/yETlSklfH8eEjWr2x2n2QEHvMy0zzX303OEg52XnqBtF8fKMgMbxE/7C5JDHIZ+Bj92zq+jM/qPFMZNjRl/4hKj+9I8AD9wig4itd7gtrQq2fnNLNno7vNzhMspg0ooua++QTn84VKzLX9lWWG+0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769775864; c=relaxed/simple; bh=/U227tzly+Nw5nB93ctGDn5I49WjItoZgg3MuYZY5qg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=HfJTDW7tw3d0EGCZPRJTn4IpYhWwUXYqZZXahmyPW20QwMp0xVTHiLa1sa1V5Zpr9jzIUAPf2SPzvfyRTsg5daBhb7bh2mC59A01ztOoV+Ejtd/wOerG1q2Ki2LwRcBuNxsT5gx0Hy9lyqGwUrFqUEvRUfClLHRHVC2dxoV6Hds= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=qp5OkFwb; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="qp5OkFwb" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=FHlKIUcRU0UGcoGtx1r8/+/NdwEqSNyxWlc6HG+RZvg=; b=qp5OkFwbblWYrWlPazjpJO3zet kqbutQokItFDRcKJqU2jS43Y6uINHfODdwltc4XqGqd5u0p6o1fvyL7tsoqN0POnEBGBMiKr7BgxI gUI8TDYFWpjFJzFkT63mb/cGEyIocWckWrpVy+cmfJTp1MhZWt5gZB1USHcFhz7YM9tsnsffEkLWo vmaun4bBrCxEfu3Vfkzs85MsTKbpJBTPiZcQthwpHPeQTkDcV2hYGhpiaHs5CNBj3/cjK0jq4cQ7q p4yybF0omIQd16WjtmZBGXkx9X6V9+cqNSWXXSMzb02LTrOi0/dGe/uN/bhOi0W2sut/UEFBrlqI1 NwffKZWQ==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1vlnXq-0000000Bls3-2GCq; Fri, 30 Jan 2026 12:24:14 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 7636C300BD2; Fri, 30 Jan 2026 13:24:13 +0100 (CET) Date: Fri, 30 Jan 2026 13:24:13 +0100 From: Peter Zijlstra To: Andrea Righi Cc: Gabriele Monaco , Ingo Molnar , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , Tejun Heo , Joel Fernandes , David Vernet , Changwoo Min , Daniel Hodges , sched-ext@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] sched/deadline: Reset dl_server execution state on stop Message-ID: <20260130122413.GA3306656@noisy.programming.kicks-ass.net> References: <9b8c90b1-9247-4159-9bf6-72bd71bb74a2@redhat.com> <45e4dc7a-f261-46ec-8973-0fb8d1f7b0b9@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 :/