Messages in this thread |  | | Date | Thu, 11 Jan 2001 14:57:55 +0100 | From | Daniel Phillips <> | Subject | Re: [linux-audio-dev] low-latency scheduling patch for 2.4.0 |
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"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.
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