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

From: Daniel Phillips (phillips@innominate.de)
Date: Thu Jan 11 2001 - 08:57:55 EST

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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.

--
Daniel
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Next message: Troels Walsted Hansen: "RE: [PATCH] klogd busy loop on zero byte (output from 3c59x driver)"
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