From: Peter Zijlstra <peterz@infradead.org>
To: Morten Rasmussen <morten.rasmussen@arm.com>
Cc: mingo@redhat.com, valentin.schneider@arm.com,
dietmar.eggemann@arm.com, vincent.guittot@linaro.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/7] sched/fair: Avoid unnecessary balancing of asymmetric capacity groups
Date: Fri, 23 Feb 2018 17:47:52 +0100 [thread overview]
Message-ID: <20180223164752.GW25181@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20180223163806.GE4589@e105550-lin.cambridge.arm.com>
On Fri, Feb 23, 2018 at 04:38:06PM +0000, Morten Rasmussen wrote:
> > Or am I now terminally confused again?
>
> No, I think you are right, or I'm equally confused.
:-)
Would it make sense to also track max_capacity, but then based on the
value before RT scaling ?
That should readily be able to distinguish between big and little
clusters, although then DynamiQ would still completely ruin things.
next prev parent reply other threads:[~2018-02-23 16:48 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-15 16:20 [PATCH 0/7] sched/fair: Migrate 'misfit' tasks on asymmetric capacity systems Morten Rasmussen
2018-02-15 16:20 ` [PATCH 1/7] sched: Add static_key for asymmetric cpu capacity optimizations Morten Rasmussen
2018-02-16 13:47 ` Peter Zijlstra
2018-02-16 15:41 ` Morten Rasmussen
2018-02-16 16:51 ` Peter Zijlstra
2018-02-19 11:49 ` Morten Rasmussen
2018-02-16 17:39 ` Quentin Perret
2018-02-16 17:43 ` Peter Zijlstra
2018-02-15 16:20 ` [PATCH 2/7] sched/fair: Add group_misfit_task load-balance type Morten Rasmussen
2018-02-19 13:56 ` Peter Zijlstra
2018-02-19 13:58 ` Peter Zijlstra
2018-02-20 16:01 ` Morten Rasmussen
2018-02-15 16:20 ` [PATCH 3/7] sched/fair: Consider misfit tasks when load-balancing Morten Rasmussen
2018-02-15 16:20 ` [PATCH 4/7] sched/fair: Avoid unnecessary balancing of asymmetric capacity groups Morten Rasmussen
2018-02-19 14:50 ` Peter Zijlstra
2018-02-19 14:53 ` Peter Zijlstra
2018-02-20 16:22 ` Morten Rasmussen
2018-02-19 15:10 ` Peter Zijlstra
2018-02-20 16:33 ` Morten Rasmussen
2018-02-20 18:26 ` Peter Zijlstra
2018-02-23 16:38 ` Morten Rasmussen
2018-02-23 16:47 ` Peter Zijlstra [this message]
2018-02-26 15:06 ` Morten Rasmussen
2018-02-15 16:20 ` [PATCH 5/7] sched/fair: Kick nohz balance if rq->misfit_task Morten Rasmussen
2018-02-15 16:20 ` [PATCH 6/7] sched: Rename root_domain->overload to should_idle_balance Morten Rasmussen
2018-02-16 9:14 ` Juri Lelli
2018-02-16 9:49 ` Peter Zijlstra
2018-02-16 11:59 ` Valentin Schneider
2018-02-15 16:20 ` [PATCH 7/7] sched/fair: Set sd->should_idle_balance when misfit Morten Rasmussen
2018-02-28 7:46 ` [PATCH 0/7] sched/fair: Migrate 'misfit' tasks on asymmetric capacity systems Gaku Inami
2018-03-01 11:59 ` Valentin Schneider
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