Re: PROMBLEM: CD burning at 16x uses excessive CPU, although DMA is enabled

Bill Davidsen (davidsen@tmr.com)
Mon, 8 Apr 2002 20:10:48 -0400 (EDT)


On Mon, 8 Apr 2002, Mark Mielke wrote:

> I think the fact that it works with FreeBSD should have been enough
> to show that 'excessive' doesn't need to be qualified.
>
> The question is, how is CD burning of raw data different from
> CD burning of ISO images, in respect to Linux drivers for the
> hardware, and why does FreeBSD not suffer from this ailment?

Let's say it didn't give me a clue how much time was being used and
where. There are various options like bytes swap which could drive up user
time, and other things like PIO which drive up system.

I find I give a better quality of help if I understand the problem...

-- 
bill davidsen <davidsen@tmr.com>
  CTO, TMR Associates, Inc
Doing interesting things with little computers since 1979.
 

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