[linux-audio-dev] DRI + Jack conflict?

[Chris Pickett]

Paul Davis wrote:
>>On Mon, Feb 09, 2004 at 07:32:35PM -0500, Paul Davis wrote:
>>
>>>its a basic problem with real time software, the POSIX API etc.
>>>JACK tries to lock *all* the process memory. 
>>
>>This is to ensure that nothing gets swapped out, right ?
>>Else it is very hard to ensure real time performance ?
>>(sorry for being somewhat ignorant in this matter).
> 
> 
> well, swapping is one aspect. page faults are the other. either way,
> yes,  we need to ensure that real-time code is never stalled waiting
> for data to be bought into memory from disk storage.

What are the factors influencing the amount of memory the JACK process 
needs?

Maybe it's possible to reduce it.

Unless I misread what you wrote and by "*all* the process memory" you 
mean the memory of all processes on the system and not just JACK.

Chris