[linux-dvb] Re: Using new driver with DVB-T

[davep <davep@cyw.uklinux.net>]

On Sunday 27 Oct 2002 10:33, you wrote:
> On Sunday 27 Oct 2002 9:54 am, Holger Waechtler wrote:
> > The zigzag scan should only eat idle time, and only if the signal is
> > very bad.
>
> Well I have an Athlon 1.33GHz processor and I got a CPU usage of around
> 40% at this point, and also found that scrolling browser windows became
> jerky as a result! Again, the problem disappears once the card has been
> tuned to a station (though I have seen it reappear after some idle time)

The high CPU usage is in the driver hence it's kernel time which is being 
chewed. That explains the sluggish user interface.

The old driver would spin at 30% CPU for a minute or so after loading the 
driver then fall to 5% even with no station tuned.

Dave


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