Re: [linux-audio-dev] low-latency scheduling patch for 2.4.0

Daniel Phillips
2001-01-11T14:01:17Z

"David S. Miller" wrote:
> 2) It affects only code which can burn a lot of cpu without
> scheduling. Compare this to schemes which make the kernel
> fully pre-emptable, causing _EVERYONE_ to pay the price of
> low-latency....

Is there necessarily a price? Kernel preemption can make io-bound code
go faster by allowing a blocked task to start running again immediately
on io completion. As things are now, the task will have to wait for
whatever might be happening in the kernel to complete.

--
Daniel