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

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Subject: Re: [linux-audio-dev] low-latency scheduling patch for 2.4.0
From: Alan Cox (alan_AT_lxorguk.ukuu.org.uk)
Date: Thu Jan 11 2001 - 14:38:21 EET


> The darn thing disables intrs on its own for quite some time with some of
> the more aggressive drivers. We saw our 20us latencies under RTLinux go up
> a lot with some of those drivers.

It isnt disabling interrupts. Its stalling the PCI bus. Its nasty tricks by
card vendors apparently to get good benchmark numbers.


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