From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: "Soboljew, Patrick" <Patrick.Soboljew@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] Problem with gettimeofday
Date: Thu, 10 Dec 2009 14:35:47 +0100 [thread overview]
Message-ID: <4B20F933.60703@domain.hid> (raw)
In-Reply-To: <EA8B423DB69FD24FA233008019A052AE01668DD6@domain.hid>
Soboljew, Patrick wrote:
>>> Anybody an idea?
>> You should be using clock_gettime(CLOCK_REALTIME). In case you
>> insist on using gettimeofday, see:
>>
>> http://www.xenomai.org/index.php/Porting_POSIX_applications_to_Xenomai#Timing_services.
>
> It's not me who insists on that call but this framework :). But
> thanks for your help. The solution thats provided with the link would
> help I think. I was also interested what things can cause the
> difference between both functions on real hardware and in the vmware
> image e.g. kernel config parameters.
Xenomai keeps synchronized with Linux, if Linux uses the same
clocksource as xenomai i.e. the tsc, if it does not update the wallclock
time after the boot, and if it does not use NTP.
--
Gilles
prev parent reply other threads:[~2009-12-10 13:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-10 9:36 [Xenomai-help] Problem with gettimeofday Soboljew, Patrick
2009-12-10 10:41 ` Gilles Chanteperdrix
2009-12-10 12:34 ` Soboljew, Patrick
2009-12-10 13:35 ` Gilles Chanteperdrix [this message]
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