Re: [ck] RSDL v0.30 cpu scheduler for mainline kernels

From: Lee Revell
Date: Tue Mar 13 2007 - 11:54:21 EST


On 3/13/07, Ash Milsted <thatistosayiseenem@xxxxxxxxx> wrote:
Desktop use whilst talking on Wengophone (run at nice -5): Under RSDL
some GUI use e.g. opening a new folder in nautilus causes pops (buffer
underruns) which do not occur with mainline. I suppose the changes in
RSDL might require a lower nice value for equivalent performance, but
(as a user) I am limited to -5.

Low-latency audio with JACK and Ardour2: Rock-solid performance with
either scheduler.. realtime works nicely.

Sounds like Wengophone is broken. It should be using RT threads for
time critical work, as JACK and Ardour2 are doing.

No scheduler can help if the apps are not correctly written...

Lee
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