[LAD] cpu spikes

Joakim Hernberg jhernberg at alchemy.lu
Mon Jan 25 21:35:47 UTC 2016


On Mon, 25 Jan 2016 06:57:14 -0800 (PST)
Len Ovens <len at ovenwerks.net> wrote:

> On Mon, 25 Jan 2016, Joakim Hernberg wrote:
> 
> > I suppose hyperthreading could be a potential pitfall, but
> > personally I see no problems with it with my audio workloads on my
> > i7.  
> 
> hyperthread is only a problem with jack latency under 64/2... even on
> an older single core P4. (at least in my testing)

I can't remember back to the P4 days ;)  But I thought I'd mention it
for completeness as it totally breaks the concept of SCHED_FIFO
threads.  Good to know that it appears to be a non problem.

-- 

   Joakim


More information about the Linux-audio-dev mailing list