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From: Juri Lelli <juri.lelli@redhat.com>
To: Dietmar Eggemann <dietmar.eggemann@arm.com>
Cc: Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Daniel Bristot de Oliveira <bristot@redhat.com>,
	Valentin Schneider <vschneid@redhat.com>,
	Mel Gorman <mgorman@suse.de>, Ben Segall <bsegall@google.com>,
	Luca Abeni <luca.abeni@santannapisa.it>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/3] DL capacity-aware fixes
Date: Fri, 8 Jul 2022 15:36:25 +0200	[thread overview]
Message-ID: <Ysgy2XkdceBaHz04@localhost.localdomain> (raw)
In-Reply-To: <20220629122053.287165-1-dietmar.eggemann@arm.com>

Hi,

On 29/06/22 14:20, Dietmar Eggemann wrote:
> While testing cpusets on asymmetric CPU capacity systems I realized that
> the admission control, which kicks in when the cpumask of a cpuset is
> about to be changed, is not capacity-aware. [PATCH 2/3] addresses this
> issue.
> 
> Overview:
> 
> [PATCH 1/3] - Not part of the DL related changes but here for
>               convenience : Inline helper function around
>               static_branch_unlikely(&sched_asym_cpucapacity)
> 
> [PATCH 2/3] - Make dl_cpuset_cpumask_can_shrink() capacity-aware.
> 
> [PATCH 3/3] - Save a multiplication in dl_task_fits_capacity() by using
> 	      already maintained dl_density.

I had a look as well and, other than Vincent's comment on 3/3, the set
looked good to me. Looking forward for v2. :)

Thanks,
Juri


      parent reply	other threads:[~2022-07-08 13:36 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-29 12:20 [PATCH 0/3] DL capacity-aware fixes Dietmar Eggemann
2022-06-29 12:20 ` [PATCH 1/3] sched: Introduce sched_asym_cpucap_active() Dietmar Eggemann
2022-06-29 12:20 ` [PATCH 2/3] sched/deadline: Make dl_cpuset_cpumask_can_shrink() capacity-aware Dietmar Eggemann
2022-06-29 12:20 ` [PATCH 3/3] sched/deadline: Use sched_dl_entity's dl_density in dl_task_fits_capacity() Dietmar Eggemann
2022-07-06 10:47   ` Vincent Guittot
2022-07-08 12:34     ` Dietmar Eggemann
2022-07-08 13:36 ` Juri Lelli [this message]

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