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

[Chris Pitchford <nova-t@intrepid.cx>]

I know in theory it should only eat idle time but...

Just after I've loaded the modules (CVS as of a week ago) they eat about
45% of the CPU according to top..

This is on a P4 2gig.. and the machine feels slow.. infact very slow..
loading mozilla takes a significantly longer time.. as does displaying
fast text (ie ls -asl of a big dir) in an xterm..

the moment a channel is tuned it drops down..

It is worrying that my machine becomes slightly crippled if the aerial is
removed :)

Are there not timeouts, or better still the ability to zigzag based on an
flag set(ioctl) or only when a device is in use?

Usually, when I am not using the dvb stuff, I remove the modules..

Cheers
cp

On Sun, 27 Oct 2002, Holger Waechtler wrote:

> Hi,
>
> davep wrote:
> > On Saturday 26 Oct 2002 20:43, you wrote:
> >
> >>maybe you didn`t add group video , and makedev didin`t create devices
> >>properly ?
> >>on my athlon 1,4 (after tuning with dvbtune) cpu load was about 20%, but
> >>on my second k6-2 450 is about 7-9% :) (I don`t know why)
> >
> >
> > Oops :-/
> >
> > I just followed the INSTALL instructions. After creating the video group and
> > running the makedev script things are now working. The driver still thinks
> > I've got a Grundig card, and CPU is 45% until I tune a station in for the
> > first time then it drops to 3% (was 5% with the old driver).
>
> Are you sure that you don't own a card with Grundig Tuner?
> :-)
>
> The zigzag scan should only eat idle time, and only if the signal is
> very bad.
>
> Holger
>
>
>
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