Re: Improving raw network performance [was Apache performance etc.]
Jamie Lokier (lkd@tantalophile.demon.co.uk)
Tue, 29 Jun 1999 00:56:31 +0200
Matthew Wilcox wrote:
> > 1. Interrupt comes in
> > 2. Kernel disables interrupt
> > 3. Driver fetches/sends data.
> > 4. Driver loops back to 3 if there's more data
> > (many drivers do this already).
> > 5. Driver returns.
> >
> > ... timer driven delay ...
> >
> > 6. Kernel reenables interrupt.
> > 7. If interrupt pending, go to 2.
>
> You could only do this if the interrupt is not shared. But if your
> network is normally being hammered then you probably didn't configure
> your network card to be on the same interrupt as your hard disc.
I don't see the problem with a shared interrupt.
Can you explain?
(Interference between the devices is not a new problem :-)
-- Jamie
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