[Xenomai-core] Re: [Xenomai-help] [Fwd: Performance decrease]

[Philippe Gerum <rpm@xenomai.org>]

On Fri, 2006-09-01 at 16:58 +0200, Gilles Chanteperdrix wrote:
> Philippe Gerum wrote:
>  > > 
>  > > But there is an exception: the "bind" syscall event must be intercepted
>  > > for threads that are not yet marked as monitored.
>  > 
>  > That's the major issue. We need to keep events flowing to a filtering
>  > callback in order to detect binding ops, but without going through the
>  > entire pipeline abstraction. And pipelining as it is now must be kept
>  > for bound Linux tasks, i.e. shadows. The idea is to save the time spent
>  > in the Adeos event dispatcher for tasks that don't need to tell the
>  > world about what they are actually doing.
> 
> The binding operation could be made a standard Linux operation, such as
> an ioctl for instance.
> 

Yes. We would have to define another character device node, but since we
are going to need this for Xenomai3, we would only be anticipating the
requirement anyway.

PS: moving this discussion to xenomai-core.

-- 
Philippe.