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Date: Thu, 26 Mar 2009 23:49:43 +0100
From: Antoine Nourry <nourry@domain.hid>
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Subject: Re: [Xenomai-help] Keyboard IRQ
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To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: xenomai@xenomai.org

Gilles Chanteperdrix a =E9crit :
> Antoine Nourry wrote:
>
>  =20
>> I neither understand, is there a way to measure precisely the absolute=
=20
>> time of a keypress event on our computers ?
>>    =20
>
> Well, you can wait for the event in a user-space program, and use Linux
> plain gettimeofday. It will probably give you more than enough precisio=
n.
>
>  =20
Ok, i already made such programs but i thought that my polling method to=20
detect key event was bad and may consume too much time. Moreover aren't=20
there any risks of being preempted or slowed by other tasks ?