I suspect that the absence in DMA read support probably explains why
this would be so CPU intensive.
I have a DMA read routine working for my cpia camera, but am having
trouble adapting it to the general parport driver. I sent a message
about my problems a few months ago, but got no replies. If any parport
gurus were willing to give me a hand it should be possible to get the
routine working with very little work.
> I must say that while SuperDisk works, it consumes huge amounts of CPU
> resources and it is practically impossible to do anything while the
> disk is in use. System load goes to 2.00 on my Pen4 1.7GHz even with
> nice=20 parameter.
> There are definitely some problems with buffers/FIFOs in the
> parport/superdisk-related drivers or I do not know how to tune the
> driver parameters.
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This archive was generated by hypermail 2b29 : Fri Aug 23 2002 - 04:10:39 EDT