Krzysztof Błaszkowski wrote:
> Do you have any idea about reducing rt timer jitter ?
> I experience annoyingly big jitter in a thread which is supposed to run
> at 400us (i reckon this is nothing extra demanding from atom @1.6G)
> thread_task:2651 peak rt jitter -18470[ns], tsc delta 697450
>
>
On Fri, 2010-08-20 at 18:14 +0200, Krzysztof Błaszkowski wrote:
> On Fri, 2010-08-20 at 18:01 +0200, Gilles Chanteperdrix wrote:
> > Krzysztof Błaszkowski wrote:
> > > Can i do something with this ?
> >
> > Do you observe the same latencies with the "latency" test?
> >
>
> this test does not pro
On Fri, 2010-08-20 at 18:20 +0200, Krzysztof Błaszkowski wrote:
> On Fri, 2010-08-20 at 18:06 +0200, Philippe Gerum wrote:
> > On Fri, 2010-08-20 at 17:55 +0200, Krzysztof Błaszkowski wrote:
> > > Do you have any idea about reducing rt timer jitter ?
> > > I experience annoyingly big jitter in a th
On Fri, 2010-08-20 at 18:06 +0200, Philippe Gerum wrote:
> On Fri, 2010-08-20 at 17:55 +0200, Krzysztof Błaszkowski wrote:
> > Do you have any idea about reducing rt timer jitter ?
> > I experience annoyingly big jitter in a thread which is supposed to run
> > at 400us (i reckon this is nothing ext
On Fri, 2010-08-20 at 18:01 +0200, Gilles Chanteperdrix wrote:
> Krzysztof Błaszkowski wrote:
> > Can i do something with this ?
>
> Do you observe the same latencies with the "latency" test?
>
this test does not produce reliable results except some hints.
e.g. min. latency shifts about 1.5usec
On Fri, 2010-08-20 at 17:55 +0200, Krzysztof Błaszkowski wrote:
> Do you have any idea about reducing rt timer jitter ?
> I experience annoyingly big jitter in a thread which is supposed to run
> at 400us (i reckon this is nothing extra demanding from atom @1.6G)
>
>
> the thread's loop looks lik
Krzysztof Błaszkowski wrote:
> Can i do something with this ?
Do you observe the same latencies with the "latency" test?
--
Gilles.
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Krzysztof Błaszkowski wrote:
> Can i do something with this ?
Read TROUBLESHOOTING, FAQ, etc...
--
Gilles.
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