[linux-dvb] CPU usage

[Dennis Noordsij <dennis.noordsij@wiral.com>]

Hi,

Got a very solidly working VDR 1.1.13 with 2 DVB-C's and time-shifting (record 
2 channels on different transponders and view a recording - except for the 
occasional ARM crash :-)

However, CPU usage for system (which I guess would be the DVB drivers) ranges 
from 10-30% on an 800 MHz Duron during transfer mode (VDR usage is 3-6%). 
When all recordings are stopped, it drops to near zero again.

Is there such a thing as a gprof for kernel modules, or (more likely :) does 
anyone where so much time is spent and if there is a way to improve upon 
this?

I was hoping a measly Pentium 133 would be able to make a nice VDR, but with 
this kind of CPU usage it will not work :(

Best regards,
Dennis


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