Re: Winmodem support, some performance tradeoff estimates

Thomas Sailer (sailer@ife.ee.ethz.ch)
Mon, 17 Aug 1998 13:28:05 +0200


Brandon S. Allbery KF8NH wrote:

> BTW, in re: cycles needed for the winmodem drivers --- somehow, the term
> "real-time" keeps occurring to me. Certainly it can be done, but will we
> end up slowing down the rest of the system?

Of course you slow down the system, because there will be a task that
consumes
25% of the CPU. But then again "most" users won't notice a decrease in
interactive response :-) (you can simulate that if you want, just write
a SCHED_FIFO
task that consumes 25% of the CPU).

Tom

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