Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt

Martin J. Bligh
2005-07-12T22:29:14Z

--On Tuesday, July 12, 2005 16:58:44 -0400 Lee Revell <rlrevell@joe-job.com> wrote:

> On Mon, 2005-07-11 at 21:30 -0700, Martin J. Bligh wrote:
>> Some sort of comprimise has to be struck for now, until we get sub-HZ
>> timers. I'd prefer 100, personally (I had that set as default in my tree
>> for a long time). Some people would prefer 1000 or even more, maybe.
>> 250/300 seems like a reasonable comprimise to me. Exactly what problems
>> *does* it cause (in visible effect, not "timers are less granular").
>> Jittery audio/video? How much worse is it?
>
> OK, here's a real world example, taken straight from the linux-audio-dev
> list today.

OK, what level causes Midi stuttering to stop then, under some fairly
reasonable load? Of course ... if we set HZ to 100000, we'll get higher
res still ... the question is how high it *needs* to be ;-)

M.