[LAU] snd-hrtimer ALSA module

david gnome at hawaii.rr.com
Sat Jan 24 22:24:22 EST 2009


Dan Muresan wrote:
>> IIRC, the usual recommendation is to compile your own kernel with system 
>> timer set to 1000 Hz.
> 
> I know. Compiling a custom kernel on Ubuntu (in a package-manager
> controlled way) is not fun.
> 
> It's amazing, though, that the system has an RTC clock and a HPET timer,
> with microsecond precision, yet I need to rely on the Hz variable to
> obtain accurate timing. Truly amazing -- the whole snd-rtctimer vs
> RTC_CLASS story, the broken hpet module in ALSA, the unfinished hrtimer...

Yah. My understanding is it's because professional audio on Linux isn't 
even a blip in the eyes of kernel developers. Anyway, 250Hz works for 
me, so I just click OK on the dialog box and go on. But I only do MIDI 
stuff.

-- 
David
gnome at hawaii.rr.com
authenticity, honesty, community



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