linux-kernel - Re: [PATCH v2 3/2] sched/deadline: Check bandwidth overflow earlier for hotplug

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Message-ID: <a305f53d-44d4-4d7a-8909-6a63ec18a04b@nvidia.com>
Date: Fri, 7 Feb 2025 10:38:43 +0000
From: Jon Hunter <jonathanh@...dia.com>
To: Juri Lelli <juri.lelli@...hat.com>
Cc: Thierry Reding <treding@...dia.com>, Waiman Long <longman@...hat.com>,
 Tejun Heo <tj@...nel.org>, Johannes Weiner <hannes@...xchg.org>,
 Michal Koutny <mkoutny@...e.com>, Ingo Molnar <mingo@...hat.com>,
 Peter Zijlstra <peterz@...radead.org>,
 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>,
 Phil Auld <pauld@...hat.com>, Qais Yousef <qyousef@...alina.io>,
 Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
 "Joel Fernandes (Google)" <joel@...lfernandes.org>,
 Suleiman Souhlal <suleiman@...gle.com>, Aashish Sharma <shraash@...gle.com>,
 Shin Kawamura <kawasin@...gle.com>,
 Vineeth Remanan Pillai <vineeth@...byteword.org>,
 linux-kernel@...r.kernel.org, cgroups@...r.kernel.org,
 "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH v2 3/2] sched/deadline: Check bandwidth overflow earlier
 for hotplug


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.


Yes no problem. Attached is the complete log.

Thanks!
Jon

-- 
nvpublic

View attachment "uart_log.txt" of type "text/plain" (96533 bytes)