On 6/29/07, Philippe Gerum <[EMAIL PROTECTED]> wrote:
> On Fri, 2007-06-29 at 17:29 +0200, Daniel Simon wrote:
> > On Fri, 29 Jun 2007 17:00:39 +0200
> > Jan Kiszka <[EMAIL PROTECTED]> wrote:
> >
> > > Exectime is only updated on task switches. So you are not obtaining the
> > > true
> > > value when requesting your own data. Use the same formula for both cases.
> >
> > yes, but like that the fraction of time spent in the current execution is
> > not
> > accounted, which might be sometimes useful (e.g. to integrate the cost of a
> > feedback scheduler in the total control budget)
> >
> > another potentially useful feature would be also accounting the execution
> > time
> > spent in secondary mode... no idea on how to do that.
>
> Xenomai-wise, secondary mode starts for an emerging thread in
> xnshadow_map(), then stops when exiting xnshadow_harden(), then resumes
> when exiting xnshadow_relax(). All routines are defined in
> nucleus/shadow.c.
Additionnaly when a task is suspended by Linux, the function
do_schedule_event is triggered by Adeos.
--
Gilles Chanteperdrix
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