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From: 嵌入式工程师 <ericvic@163.com>
To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: "xenomai@xenomai.org" <xenomai@xenomai.org>
Subject: Re: [Xenomai] imx6q xenomai  ipipe-3.0-imx6q
Date: Wed, 26 Mar 2014 21:31:51 +0800 (CST)	[thread overview]
Message-ID: <76a8b1fe.2477d.144fe96fb16.Coremail.ericvic@163.com> (raw)
In-Reply-To: <5332BF1F.3000504@xenomai.org>

I actually don't know  if it caused by rt_pipe ,in user layer i used Qt and Qt call large quantity rt_pipe in a short time then the latency is like that ,i enabled smp ,it is impact that. can i only use one core, do real-time kernel?
在 2014-03-26 19:50:55，"Gilles Chanteperdrix" <gilles.chanteperdrix@xenomai.org> 写道：
>On 03/26/2014 12:36 PM, 嵌入式工程师 wrote:
>> I use imx6q xenomai  ipipe-3.0-imx6q  ，i don`t know if rt_pipe and
>> rt_timer will affect the latency?because I use lots of rt_pipe command
>> and when I send the rt_pipe command the latency will like blow
>
>Could you post an example of code allowing to reproduce this problem? 
>Does the same problem happen if you use the xddp interface instead of 
>the (deprecated) rt_pipe interface?
>
>-- 
>					    Gilles.

  reply	other threads:[~2014-03-26 13:31 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-26 11:36 [Xenomai] imx6q xenomai ipipe-3.0-imx6q 嵌入式工程师
2014-03-26 11:50 ` Gilles Chanteperdrix
2014-03-26 13:31   ` 嵌入式工程师 [this message]
2014-03-26 13:34     ` Gilles Chanteperdrix
2014-03-26 14:29       ` 嵌入式工程师
2014-03-26 23:09         ` Gilles Chanteperdrix
2014-03-27  1:41           ` 嵌入式工程师
2014-03-27  5:24           ` 嵌入式工程师
2014-03-27 12:27             ` Gilles Chanteperdrix
2014-03-28  5:02               ` 嵌入式工程师
2014-03-28 17:35                 ` Gilles Chanteperdrix
2014-03-29  5:54                   ` 嵌入式工程师
2014-03-28  8:19               ` 嵌入式工程师
2014-03-28 17:37                 ` Gilles Chanteperdrix
2014-03-28  9:08               ` 嵌入式工程师
2014-03-28 17:38                 ` Gilles Chanteperdrix
2014-03-29  6:21                   ` 嵌入式工程师
2014-03-29 13:51                     ` Gilles Chanteperdrix
2014-04-01  2:35 嵌入式工程师
2014-04-01 10:49 ` Gilles Chanteperdrix
2014-04-02  0:53   ` 嵌入式工程师
2014-04-02  7:28     ` Gilles Chanteperdrix
2014-04-03 10:25       ` 嵌入式工程师
2014-04-17  7:43 嵌入式工程师
2014-04-17 11:42 ` Gilles Chanteperdrix
2014-04-17  7:58 嵌入式工程师
2014-04-17  8:13 嵌入式工程师
2014-04-18 10:28 嵌入式工程师
2014-04-18 11:47 ` Gilles Chanteperdrix
2014-04-20  5:06   ` eric
2014-04-20  9:03     ` Gilles Chanteperdrix
2014-04-20  9:23       ` Gilles Chanteperdrix
2014-04-20 10:46         ` eric
2014-04-23  4:40           ` eric
2014-04-23 12:24             ` Gilles Chanteperdrix

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