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From: Morten Rasmussen <morten.rasmussen@arm.com>
To: Gaku Inami <gaku.inami.xh@renesas.com>
Cc: "peterz@infradead.org" <peterz@infradead.org>,
	"mingo@redhat.com" <mingo@redhat.com>,
	"valentin.schneider@arm.com" <valentin.schneider@arm.com>,
	"dietmar.eggemann@arm.com" <dietmar.eggemann@arm.com>,
	"vincent.guittot@linaro.org" <vincent.guittot@linaro.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCHv2 0/7] sched/fair: Migrate 'misfit' tasks on asymmetric capacity systems
Date: Tue, 20 Mar 2018 09:17:35 +0000	[thread overview]
Message-ID: <20180320091735.GN4589@e105550-lin.cambridge.arm.com> (raw)
In-Reply-To: <OSBPR01MB1800210FC368705EAADA27C4A2AB0@OSBPR01MB1800.jpnprd01.prod.outlook.com>

Hi,

On Tue, Mar 20, 2018 at 05:30:00AM +0000, Gaku Inami wrote:
> Hi
> 
> > -----Original Message-----
> > From: Morten Rasmussen [mailto:morten.rasmussen@arm.com]
> > Sent: Thursday, March 15, 2018 11:47 PM
> > To: peterz@infradead.org; mingo@redhat.com
> > Cc: valentin.schneider@arm.com; dietmar.eggemann@arm.com; vincent.guittot@linaro.org; Gaku Inami
> > <gaku.inami.xh@renesas.com>; linux-kernel@vger.kernel.org; Morten Rasmussen <morten.rasmussen@arm.com>
> > Subject: [PATCHv2 0/7] sched/fair: Migrate 'misfit' tasks on asymmetric capacity systems
> [snip]
> > 
> > The patches have been tested on:
> >    1. Arm Juno (r0): 2+4 Cortex A57/A53
> >    2. Hikey960: 4+4 Cortex A73/A53
> > 
> 
> I have tested this on our R-Car again and it works well. In addition,
> I confirmed that this patch-set also brings performance improvement to
> other benchmarks(e.g. memory load latency in LMbench). You can add:
> 
> Tested-by: Gaku Inami <gaku.inami.xh@renesas.com>
> 
> The patches have been tested on:
>    3. Renesas R-Car H3 : 4+4 Cortex A57/A53
> 
> Results:
> Single runs with completion time of each task
> R-Car H3 (tip)
>     total time:                          0.9435s
>     total time:                          0.9952s
>     total time:                          1.3511s
>     total time:                          1.6747s
> 
> R-Car H3 (misfit)
>     total time:                          0.9387s
>     total time:                          0.9280s
>     total time:                          0.9616s
>     total time:                          0.9934s
> 
> 10 run summary (tracking longest running task for each run)
> 	R-Car H3
> 	avg	max
> tip     1.6737  1.6758
> misfit  0.9980  1.0409

Thanks a lot for testing again.

Morten

      reply	other threads:[~2018-03-20  9:17 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-15 14:46 Morten Rasmussen
2018-03-15 14:46 ` [PATCHv2 1/7] sched: Add static_key for asymmetric cpu capacity optimizations Morten Rasmussen
2018-04-27 14:04   ` [PATCHv2,1/7] " Jiada Wang
2018-04-29 19:09     ` Valentin Schneider
2018-03-15 14:46 ` [PATCHv2 2/7] sched/fair: Add group_misfit_task load-balance type Morten Rasmussen
2018-04-11 10:45   ` Peter Zijlstra
2018-03-15 14:47 ` [PATCHv2 3/7] sched/fair: Consider misfit tasks when load-balancing Morten Rasmussen
2018-04-11 10:46   ` Peter Zijlstra
2018-04-11 10:53   ` Peter Zijlstra
2018-03-15 14:47 ` [PATCHv2 4/7] sched/fair: Kick nohz balance if rq->misfit_task Morten Rasmussen
2018-03-15 14:47 ` [PATCHv2 5/7] sched: Change root_domain->overload type to int Morten Rasmussen
2018-03-15 14:47 ` [PATCHv2 6/7] sched: Wrap rq->rd->overload accesses with READ/WRITE_ONCE Morten Rasmussen
2018-03-15 14:47 ` [PATCHv2 7/7] sched/fair: Set sd->overload when misfit Morten Rasmussen
2018-03-20  5:30 ` [PATCHv2 0/7] sched/fair: Migrate 'misfit' tasks on asymmetric capacity systems Gaku Inami
2018-03-20  9:17   ` Morten Rasmussen [this message]

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