From: Daniele Nicolodi <daniele@domain.hid>
To: xenomai@xenomai.org
Subject: Re: [Xenomai-help] rt_task_wait_period returns an undocumented value
Date: Fri, 21 Oct 2011 22:11:32 +0200 [thread overview]
Message-ID: <4EA1D1F4.3010507@domain.hid> (raw)
In-Reply-To: <CAMwkeZwXzXZrGoXxPxyisOCkekf3jzjWh5pp-Ddv5oj9kL4ZdQ@mail.gmail.com>
On 21/10/11 21:15, Fernando Herrero Carrón wrote:
> Ok, thanks for the advice. The computations I will be doing will not be
> very expensive in principle, but I believe the analogy infrastructure is
> the actual bottleneck. I have not been able to perform the acquisitions
> I want beyond 10kHz. At higher frequencies it looks like analogy does
> not have enough time to acknowledge all DMA interruptions. But this is a
> different issue.
I think you are doing something wrong then (and the fact that you need a
periodic task to perform such acquisitions smells like there is
something wrong in your code). I have acquisitions running at over 200
kHz for weeks without a glitch.
Cheers,
--
Daniele
next prev parent reply other threads:[~2011-10-21 20:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-21 16:04 [Xenomai-help] rt_task_wait_period returns an undocumented value Fernando Herrero Carrón
2011-10-21 16:15 ` Gilles Chanteperdrix
2011-10-21 17:37 ` Fernando Herrero Carrón
2011-10-21 17:47 ` Gilles Chanteperdrix
2011-10-21 18:08 ` Fernando Herrero Carrón
2011-10-21 18:47 ` Gilles Chanteperdrix
2011-10-21 19:01 ` Fernando Herrero Carrón
2011-10-21 19:07 ` Gilles Chanteperdrix
2011-10-21 19:15 ` Fernando Herrero Carrón
2011-10-21 20:11 ` Daniele Nicolodi [this message]
2011-10-21 20:27 ` Fernando Herrero Carrón
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