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Date: Fri, 07 Feb 2014 15:06:29 +0100
From: Philippe Gerum <rpm@xenomai.org>
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Subject: Re: [Xenomai] High CPU load using q_send under pSOS skin
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To: Marcel van Mierlo <marcel.vanmierlo@marel.com>, Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: xenomai@xenomai.org

On 02/07/2014 02:32 PM, Marcel van Mierlo wrote:

>      - When I comment out q_send (so only call tm_wakeafter) MSW does
> not increase and stays on zero.
>      *** Why does q_send cause mode switches?

Where do the data words passed to qsend() come from? Plain regular memory?

Also, what does /proc/xenomai/faults show after runtime?

-- 
Philippe.