Re: [LAD] Timers, hpet, hrtimer

hollunder@email-addr-hidden wrote:
> <hollunder@email-addr-hidden> wrote:
> > It seems I needed to modprobe snd-hrtimer
> > Now oom pretty much freezes as well when I tell it to use that,

Does oom or the entire system freeze?

> > Haven't tried this yet since I'm not sure it makes sense:
> > chgrp audio /dev/hpet
> >
> > So even when hpet is available, hrtimer is the one to use?
>
> chgrp audio /dev/hpet
> ... will make hpet usable for the group audio. <--?

/dev/hpet is a userspace interface for application that want to directly
access the HPET device. No applications (except Jack) want to do that;
they use the standard high-resolution timer functions which internally
use the HPET (or the LAPIC timer), but this is done in the kernel and is
independent of the /dev/hpet interface.

HTH
Clemens
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Received on Tue Nov 10 12:15:03 2009