Subject: [linux-audio-dev] Re: [Jackit-devel] Re: k_jack v0.0.0.5
From: Robert Jonsson (robert.jonsson@dataductus.se)
Date: Wed Jan 22 2003 - 19:07:18 EET
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
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