From: John Weber <rjohnweber@gmail.com>
To: meta-freescale@yoctoproject.org
Subject: Re: linux-imx-3.10.9 with preempt-rt patch
Date: Mon, 24 Mar 2014 12:04:07 -0500 [thread overview]
Message-ID: <53306587.6000307@gmail.com> (raw)
In-Reply-To: <CAOMZO5B7p1UhHv8Yb9K2T6Gt6Yp0r=XH4PnLRkbcAvcrPOQ0Tw@mail.gmail.com>
On 3/24/14, 11:52 AM, Fabio Estevam wrote:
> Hi Jacob/Otavio,
>
> On Mon, Mar 24, 2014 at 1:48 PM, Jacob Kroon <jacob.kroon@gmail.com> wrote:
>
>> I have done some testing using various tools from "rt-tests" package.
>> The patch does show a big improvement when looking at the numbers from
>> "cyclictest", max. peak of ~150 us in wakeup-latency for a high-priority
>> realtime thread (compared to milliseconds even with a PREEMPT kernel), while
>> loading the system in all the possible ways I could think of,
>> including utilizing the GPU. This was on a Wandboard Solo.
> What about creating a recipe for rt kernels, so that folks interested
> in real-time kernel could easily test it under meta-fsl-arm?
+1 to this. It would be great to have for all boards, not just Wandboard. But,
I'm willing to test it on Wandboard as well.
>
> Regards,
>
> Fabio Estevam
prev parent reply other threads:[~2014-03-24 17:05 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-25 20:29 linux-imx-3.10.9 with preempt-rt patch Jacob Kroon
2014-03-24 14:27 ` Jacob Kroon
2014-03-24 15:08 ` Otavio Salvador
2014-03-24 15:37 ` Jacob Kroon
2014-03-24 16:12 ` Otavio Salvador
2014-03-24 16:48 ` Jacob Kroon
2014-03-24 16:52 ` Fabio Estevam
2014-03-24 16:58 ` Otavio Salvador
2014-03-24 17:10 ` Jacob Kroon
2014-03-25 10:49 ` Jacob Kroon
2014-03-25 11:43 ` Otavio Salvador
2014-03-25 13:15 ` Jacob Kroon
2014-03-24 17:04 ` John Weber [this message]
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