Hello Paolo,
No, "date" doesn't use gettimeofday. It uses sys_time which ends up using
the seconds component of "xtime" (xtime.tv_sec). This component never
goes backward and, as such, "date" always returns the correct time
and the resulting printed date never goes back in time.
As for RTAI's load, I've effectively used the "jepplin" example from the examples
directory to get the problems I've discussed. I'm not sure wether this
qualifies as a high load or not. If it is, could you give me another
lighter load with which I could do more testing.
I'll gladly give more info if needed.
Karim
Paolo Mantegazza wrote:
>
> Karim Yaghmour wrote:
>
> > It does though however pend too many of them. I can prove this even
> > though I can't explain it (for now). This, though, does not matter
> > to Linux since he'll be happy as long as jiffies go forward.
>
> Before telling anything else tell me "date" command get the time and
> date by using the gettimeofday service.
>
> Another usefull piece of information: are you checking it under heavu
> RTAI real time load?
>
> Ciao, Paolo.
--
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Karim Yaghmour
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Operating System Consultant
(Linux kernel, real-time and distributed systems)
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