Subject: Re: [linux-audio-dev] DRI + Jack conflict?
From: Paul Davis (paul_AT_linuxaudiosystems.com)
Date: Tue Feb 10 2004 - 15:10:25 EET
>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.
>Would you consider implementing a work around (aka non portable kludgery)
>a waste of time ?
Mostly, though there are people who would probably find it valuable.
--p
This archive was generated by hypermail 2b28 : Tue Feb 10 2004 - 15:10:02 EET