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: [PATCHv3 0/9] sched/fair: Migrate 'misfit' tasks on asymmetric capacity systems
Date: Wed, 4 Jul 2018 11:33:24 +0100 [thread overview]
Message-ID: <20180704103324.GC8596@e105550-lin.cambridge.arm.com> (raw)
In-Reply-To: <OSBPR01MB1800D74A13DD2B4E69491D09A2420@OSBPR01MB1800.jpnprd01.prod.outlook.com>
Hi,
On Tue, Jul 03, 2018 at 02:28:28AM +0000, Gaku Inami wrote:
> Hi,
>
> > -----Original Message-----
> > From: Morten Rasmussen <morten.rasmussen@arm.com>
> > Sent: Wednesday, June 20, 2018 6:06 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: [PATCHv3 0/9] 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
> >
> > Test case:
> > Big cpus are always kept busy. Pin a shorter running sysbench tasks to
> > big cpus, while creating a longer running set of unpinned sysbench
> > tasks.
>
> I have tested v3 patches on Renesas SoC again. It looks fine.
>
> 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: 0.9391s
> total time: 0.9865s
> total time: 1.3691s
> total time: 1.6740s
>
> R-Car H3 (misfit)
> total time: 0.9368s
> total time: 0.9475s
> total time: 0.9471s
> total time: 0.9505s
>
> 10 run summary (tracking longest running task for each run)
> R-Car H3
> avg max
> tip 1.6742 1.6750
> misfit 0.9784 0.9905
Thanks for testing again. I have just posted v4 with some minor changes.
Behaviour for the test-cases should be the same.
Morten
prev parent reply other threads:[~2018-07-04 10:33 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-20 9:05 Morten Rasmussen
2018-06-20 9:05 ` [PATCHv3 1/9] sched: Add static_key for asymmetric cpu capacity optimizations Morten Rasmussen
2018-06-22 8:22 ` Quentin Perret
2018-06-22 14:36 ` Morten Rasmussen
2018-06-27 15:41 ` Dietmar Eggemann
2018-06-28 8:48 ` Morten Rasmussen
2018-06-28 17:16 ` Dietmar Eggemann
2018-07-02 8:36 ` Morten Rasmussen
2018-06-20 9:05 ` [PATCHv3 2/9] sched/fair: Add group_misfit_task load-balance type Morten Rasmussen
2018-06-20 9:05 ` [PATCHv3 3/9] sched: Add sched_group per-cpu max capacity Morten Rasmussen
2018-06-20 9:05 ` [PATCHv3 4/9] sched/fair: Consider misfit tasks when load-balancing Morten Rasmussen
2018-06-20 9:05 ` [PATCHv3 5/9] sched/fair: Kick nohz balance if rq->misfit_task Morten Rasmussen
2018-06-20 9:05 ` [PATCHv3 6/9] sched: Change root_domain->overload type to int Morten Rasmussen
2018-06-20 9:05 ` [PATCHv3 7/9] sched: Wrap rq->rd->overload accesses with READ/WRITE_ONCE Morten Rasmussen
2018-06-20 9:05 ` [PATCHv3 8/9] sched/fair: Set sd->overload when misfit Morten Rasmussen
2018-06-20 9:05 ` [PATCHv3 9/9] sched/fair: Don't move tasks to lower capacity cpus unless necessary Morten Rasmussen
2018-07-03 2:28 ` [PATCHv3 0/9] sched/fair: Migrate 'misfit' tasks on asymmetric capacity systems Gaku Inami
2018-07-04 10:33 ` Morten Rasmussen [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180704103324.GC8596@e105550-lin.cambridge.arm.com \
--to=morten.rasmussen@arm.com \
--cc=dietmar.eggemann@arm.com \
--cc=gaku.inami.xh@renesas.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=peterz@infradead.org \
--cc=valentin.schneider@arm.com \
--cc=vincent.guittot@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®