From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: eric <ericvic@163.com>
Cc: "xenomai@xenomai.org" <xenomai@xenomai.org>
Subject: Re: [Xenomai] ipipe-gch-ipipe-3.0-imx6q latency
Date: Tue, 8 Dec 2015 12:23:20 +0100 [thread overview]
Message-ID: <20151208112320.GA24418@hermes.click-hack.org> (raw)
In-Reply-To: <44cb82ce.15337.151812ff429.Coremail.ericvic@163.com>
On Tue, Dec 08, 2015 at 06:43:02PM +0800, eric wrote:
> hello:
> I use xenomai-2.6.4 with kernel
> ipipe-gch-ipipe-3.0-imx6q.tar.bz2 with sample test , build
> the flow module with timer 250us cycle,if I make a user
> space application with memory copy ,the kernel latency
> will very big ,why??? thanks
Do you have the same problem if you use a recent mainline kernel?
Such as 3.14 or 3.18 ?
--
Gilles.
https://click-hack.org
next prev parent reply other threads:[~2015-12-08 11:23 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-08 10:43 [Xenomai] ipipe-gch-ipipe-3.0-imx6q latency eric
2015-12-08 11:23 ` Gilles Chanteperdrix [this message]
2015-12-14 2:13 ` eric
2015-12-14 6:42 ` Gilles Chanteperdrix
2015-12-14 7:57 ` eric
2015-12-14 8:03 ` Gilles Chanteperdrix
2015-12-14 8:30 ` eric
2015-12-14 9:04 ` [Xenomai] Compileerror rt_imx_uart.c on kernel 3.10.53 ARM Wolfgang Netbal
2015-12-14 22:48 ` Gilles Chanteperdrix
2015-12-14 9:05 ` [Xenomai] ipipe-gch-ipipe-3.0-imx6q latency eric
2015-12-14 22:19 ` Gilles Chanteperdrix
2015-12-15 0:54 ` eric
2015-12-15 6:17 ` Gilles Chanteperdrix
2015-12-15 7:05 ` eric
2015-12-14 8:08 ` eric
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