From: moktar_bouain <moktarbouain@yahoo.fr>
To: ecos-devel@ecos.sourceware.org
Subject: Re: I have a problem with the priority of ecos
Date: Wed, 13 Apr 2011 00:36:00 -0000 [thread overview]
Message-ID: <31383910.post@talk.nabble.com> (raw)
In-Reply-To: <4DA4E806.8000004@mlbassoc.com>
On 04/12/2011 05:02 PM, moktar_bouain wrote:
>
> Hi Thomas,
> I use bitmap scheduling with 31 level for priority(by default).
> I tried with diag_printf() but the same thing.
>What else is configured in your system (what template did you build from)?
>My guess is that there is another thread already at priority 10.
>I still don't know why you think that the threads should yield to each
>other after each printf().
I used eCos for Leon3 (architecture SPARC) with the simulator Tsim.
I created this simple program that uses 2 threads.
The problem if there a difference of 10 between two levels of priority, the
program it works(5 and 15 or 10 and 20). But if less than 10 it does not
work
--
View this message in context: http://old.nabble.com/I-have-a-problem--with--the-priority-of-ecos-tp31383032p31383910.html
Sent from the Sourceware - ecos-devel mailing list archive at Nabble.com.
next prev parent reply other threads:[~2011-04-13 0:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-12 21:25 moktar_bouain
2011-04-12 21:33 ` Gary Thomas
2011-04-12 23:02 ` moktar_bouain
2011-04-13 0:02 ` Gary Thomas
2011-04-13 0:36 ` moktar_bouain [this message]
2011-04-20 8:40 ` Jürgen Lambrecht
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