Georg Acher wrote:
>
> On Sat, Jun 02, 2001 at 01:22:00PM +0200, Pavel Machek wrote:
> > Hi!
> >
> > I did some testing how does usb hurt rest of system; and it can be
> > pretty bad.
> >
> > With Acher's uhci, even ifconfig up of usb-to-usb networking device
> > [plusb handled by generic usb-to-usb driver; see -ac series].
> > does 50% slowdown. When fsbr is being used, systems slows down by 350%
>
> Hm, the 50% make me curious... have to look what's happening...
>
> > (running more than 4 times slower than normally. Ouch).
>
> Blame Intel. Either low latency or low PCI usage, you can choose...
How and when is this choice made?
What is the impact of let's say a common low speeddevice like a mouse of keyboard?
If this slows down the system in such a way, they could be considered unusable...
J.
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