[ECOS] Changing system timer resolution

Jonathan Larmour jlarmour@redhat.com
Mon Dec 3 09:21:00 GMT 2001


Gary Thomas wrote:
> 
> On Mon, 2001-12-03 at 09:34, Jonathan Larmour wrote:
> >
> > I think the idea is that the stack can be presented with something that
> > looks like HZ == 100, but it actually isn't.
> >
> > But looking closer, I'm not sure this has been fixed:
> > net/tcpip/current/src/ecos/timeout.c doesn't scale the number of ticks at
> > all.
> 
> Actually, I would think the only thing that would need attention is:
>   net/tcpip/current/src/ecos/support.c: int hz = 100;
> to make it work when the tick frequency is not 100Hz.
> 
> Was there some specific function/detail you were referring to?

The timeout() function in timeout.c, presumably the units of "delta" are
net stack ticks, so would need some scaling to eCos ticks?

Jifl
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