Re: [Xenomai-core] RTOS porting on ARM

2007-10-09 Thread Gilles Chanteperdrix
Gregory CLEMENT wrote: 2007/10/8, Gilles Chanteperdrix [EMAIL PROTECTED]: gclement00 at gmail.com (Gregory CLEMENT) wrote: 2007/9/11, Bill Gatliff [EMAIL PROTECTED]: Richard Genoud wrote: For an industrial control application, i need to port an RTOS pn ARM9

Re: [Xenomai-core] RTOS porting on ARM

2007-10-09 Thread Gilles Chanteperdrix
gclement00 at gmail.com (Gregory CLEMENT) wrote: 2007/9/11, Bill Gatliff [EMAIL PROTECTED]: Richard Genoud wrote: For an industrial control application, i need to port an RTOS pn ARM9 specifically, cirrus logic based ARM. Can anyone suggest me the chances of porting RT Linux

Re: [Xenomai-core] RTOS porting on ARM

2007-10-09 Thread Gregory CLEMENT
2007/10/9, Gilles Chanteperdrix [EMAIL PROTECTED]: On 10/9/07, Gregory CLEMENT [EMAIL PROTECTED] wrote: 2007/10/9, Gilles Chanteperdrix [EMAIL PROTECTED]: Gregory CLEMENT wrote: 2007/10/8, Gilles Chanteperdrix [EMAIL PROTECTED]: gclement00 at gmail.com (Gregory CLEMENT) wrote:

Re: [Xenomai-core] crashing 2.6.22

2007-10-09 Thread Philippe Gerum
On Mon, 2007-10-08 at 10:45 +0200, Gilles Chanteperdrix wrote: Ooops. By reading all my mails, I would have avoided reinventing this wheel on my own. Your patch is almost what I posted yesterday to fix the vmalloc issue. Looks like we no longer need the last hunk of it on recent

Re: [Xenomai-core] RTOS porting on ARM

2007-10-09 Thread Jan Kiszka
Gilles Chanteperdrix wrote: gclement00 at gmail.com (Gregory CLEMENT) wrote: For RTAI we have now a working systeme with have better max latency than Xenomai ( 50us instead of around 100us for Xenomai). I plan to update the patches on our site with this new version and communicate

Re: [Xenomai-core] [PATCH] documentation: rtdm functions available in user space

2007-10-09 Thread Jan Kiszka
Johan Borkhuis wrote: When checking the documentation I found that a lot of rtdm functions are indicated as available in user space, but AFAIK these functions are only available in kernel space or interrupt contect. The documentation is generated using ksrc/skin/rtdm/drvlib.c. Below is a

Re: [Xenomai-core] RTOS porting on ARM

2007-10-09 Thread Gilles Chanteperdrix
On 10/9/07, Gregory CLEMENT [EMAIL PROTECTED] wrote: 2007/10/9, Gilles Chanteperdrix [EMAIL PROTECTED]: You had latencies smaller than 100us already in user-space. So, the fact that you get higher latencies in kernel-space is highly suspicious. Where do you see it is in user space ? The

Re: [Xenomai-core] RTOS porting on ARM

2007-10-09 Thread Jan Kiszka
Gregory CLEMENT wrote: 2007/10/9, Jan Kiszka [EMAIL PROTECTED]: Gilles Chanteperdrix wrote: gclement00 at gmail.com (Gregory CLEMENT) wrote: For RTAI we have now a working systeme with have better max latency than Xenomai ( 50us instead of around 100us for Xenomai). I plan to update

Re: [Xenomai-core] RTOS porting on ARM

2007-10-09 Thread Gregory CLEMENT
2007/10/9, Jan Kiszka [EMAIL PROTECTED]: Gregory CLEMENT wrote: 2007/10/9, Jan Kiszka [EMAIL PROTECTED]: Gilles Chanteperdrix wrote: gclement00 at gmail.com (Gregory CLEMENT) wrote: For RTAI we have now a working systeme with have better max latency than Xenomai ( 50us instead

Re: [Xenomai-core] RTOS porting on ARM

2007-10-09 Thread Jan Kiszka
[Switching the account to underline again that this is my personal POV.] Gregory CLEMENT wrote: 2007/10/9, Jan Kiszka [EMAIL PROTECTED]: Gregory CLEMENT wrote: 2007/10/9, Jan Kiszka [EMAIL PROTECTED]: Gilles Chanteperdrix wrote: gclement00 at gmail.com (Gregory CLEMENT) wrote: For RTAI

[Xenomai-core] RTAI and Xenomai latency in kernel mode on AT91SAM9261-EK

2007-10-09 Thread Gregory CLEMENT
Here, they are the last latency we get on AT91SAM9261-EK. As just now I haven't the board at home, I send the last result we stored. The prority of dbgu should be set to 6 instead of 7, but I can't assure it, for Xenomai. first Xenomai: #insmod

Re: [Xenomai-core] RTAI and Xenomai latency in kernel mode on AT91SAM9261-EK

2007-10-09 Thread Jan Kiszka
Gregory CLEMENT wrote: Here, they are the last latency we get on AT91SAM9261-EK. As just now I haven't the board at home, I send the last result we stored. The prority of dbgu should be set to 6 instead of 7, but I can't assure it, for Xenomai. Hmm, hardware interrupt priorities must not

[Xenomai-core] Fwd: RTAI and Xenomai latency in kernel mode on AT91SAM9261-EK

2007-10-09 Thread Gregory CLEMENT
-- Forwarded message -- From: Gregory CLEMENT [EMAIL PROTECTED] Date: 9 oct. 2007 21:07 Subject: Re: [Xenomai-core] RTAI and Xenomai latency in kernel mode on AT91SAM9261-EK To: Jan Kiszka [EMAIL PROTECTED] 2007/10/9, Jan Kiszka [EMAIL PROTECTED]: Gregory CLEMENT wrote: Here,

Re: [Xenomai-core] Fwd: RTAI and Xenomai latency in kernel mode on AT91SAM9261-EK

2007-10-09 Thread Jan Kiszka
Gregory CLEMENT wrote: -- Forwarded message -- From: Gregory CLEMENT [EMAIL PROTECTED] Date: 9 oct. 2007 21:07 Subject: Re: [Xenomai-core] RTAI and Xenomai latency in kernel mode on AT91SAM9261-EK To: Jan Kiszka [EMAIL PROTECTED] 2007/10/9, Jan Kiszka [EMAIL PROTECTED]:

Re: [Xenomai-core] Fwd: RTAI and Xenomai latency in kernel mode on AT91SAM9261-EK

2007-10-09 Thread Jan Kiszka
Gregory CLEMENT wrote: first Xenomai: #insmod /lib/modules/2.6.20.13/kernel/drivers/xenomai/testing/xeno_timerbench.ko #cd /usr/xenomai/bin/ Which versions were you using for both tests? Do you still have the involved .configs? Both version are 2.6.20.13 I join the config files. BTW,