From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 955FC1D61AC; Fri, 7 Feb 2025 13:38:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738935531; cv=none; b=n6f4GyqkGLg9vDjy1KDkkASBiGNE3UYHT2wWgFjVdtI/sDmyuGyJ3ow0mcBXytThGjU540CvQuFSZnYkF32CDYSiqnm/O4rSwKFoPdN9+uXD+orREeyUAz62PHPXRgdFbkbHQkuqkHXw9V6yEyrs9f0S4yWQCyIFiZrUDOLgViA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738935531; c=relaxed/simple; bh=XJvMJJCogQp4DN24ILgJgRndFwG6PAFvsTUtdxvnnGo=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=mATTo8809/c2YIRP8Zriu8+RWAUIlv/i1XhE8IZyvgGwtnFw9Dc2iQxU/i86Wu+20DXDEfCdDYuDFD9zODoswdvf0hjZaeXapkOaPZscTEGwFyS0YILXWg2aytXlMqPfmfl0fZIgUa0LiVg4q6mnxqMQUWK/Vt7UferYYKjbY7Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 54106113E; Fri, 7 Feb 2025 05:39:12 -0800 (PST) Received: from [192.168.178.38] (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 56D923F63F; Fri, 7 Feb 2025 05:38:44 -0800 (PST) Message-ID: <5a36a2e8-bd78-4875-9b9e-814468ca6692@arm.com> Date: Fri, 7 Feb 2025 14:38:32 +0100 Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 3/2] sched/deadline: Check bandwidth overflow earlier for hotplug To: Jon Hunter , Juri Lelli Cc: Thierry Reding , Waiman Long , Tejun Heo , Johannes Weiner , Michal Koutny , Ingo Molnar , Peter Zijlstra , Vincent Guittot , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , Phil Auld , Qais Yousef , Sebastian Andrzej Siewior , "Joel Fernandes (Google)" , Suleiman Souhlal , Aashish Sharma , Shin Kawamura , Vineeth Remanan Pillai , linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, "linux-tegra@vger.kernel.org" References: <8572b3bc-46ec-4180-ba55-aa6b9ab7502b@nvidia.com> From: Dietmar Eggemann Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 07/02/2025 11:38, Jon Hunter wrote: > > On 06/02/2025 09:29, Juri Lelli wrote: >> On 05/02/25 16:56, Jon Hunter wrote: >> >> ... >> >>> Thanks! That did make it easier :-) >>> >>> Here is what I see ... >> >> Thanks! >> >> Still different from what I can repro over here, so, unfortunately, I >> had to add additional debug printks. Pushed to the same branch/repo. >> >> Could I ask for another run with it? Please also share the complete >> dmesg from boot, as I would need to check debug output when CPUs are >> first onlined. So you have a system with 2 big and 4 LITTLE CPUs (Denver0 Denver1 A57_0 A57_1 A57_2 A57_3) in one MC sched domain and (Denver1 and A57_0) are isol CPUs? This should be easy to set up for me on my Juno-r0 [A53 A57 A57 A53 A53 A53] [...]