[linux-audio-user] kernel 2.6.20.1 & rt-patch 2.6.20-rt8

[Lee Revell]

On 3/7/07, Robin Gareus <robin at gareus.org> wrote:
> PS. can anyone shed some light on the CONFIG_NO_HZ option - seems like
> it saves quite some power. Does it affect realtime performance. can it
> be disabled at runtime?
>

Should not affect realtime performance - it was judged stable enough
for mainline and I've seen no reports on LKML of it causing problems.

> PPS. i've usually disabled freq. scaling during audio-work as there were
> x-runs when the cpu speed changed. this does no longer seem to be the
> case.. is it still a good habit to shut down powernowd ?

JACK was fixed to use gettimeofday() as the clock source so disabling
frequency scaling should no longer be needed.

Lee