[linux-audio-dev] Re: [Jackit-devel] Re: k_jack v0.0.0.5

[Robert Jonsson]

Dave Griffiths wrote:

>>>It shouldn't be a problem, iwht only a few apps running the overhead is
>>>very small. If by "isn't perfectly tuned" you mean not running SCHED_FIFO
>>>or a patched kernel that its not that supprising, the context switch will
>>>be causing big problems. But, at worst it should just make xruns a bit more
>>>frequent, not go from none to some.
>>>      
>>>
>>What I have noticed is subtle, I have xruns in both situations but 
>>the rate increases noticeably. I've been running patched kernels but 
>>there are all kinds of parameters 
>>(as I'm sure you know) to tweak before it is sufficiently solid. I 
>>would consider my findings pretty much expected behaviour with a 
>>less then perfectly tuned system.
>>    
>>
>
>I thought I'd pipe up here, as I use jack on a totally unpatched, untuned
>system (with SCHED_FIFO) and get rock solid performance. 
>
Hmmm, that's annoying, I've never had that happen to me >:-|
;-) no, seriously, that's really great! Sadly this is not the case for 
all of us...

Would you care to describe your setup, hardware/kernel versions etc...?

Regards,
Robert