On Mon, 20.12.10 17:26, Fernando Lopez-Lezcano (na...@ccrma.stanford.edu) wrote:

> > In other words, these are setup costs, not maintenance costs.  This may
> > cause glitches in a realtime scenario to the extent that clients are
> > created and destroyed, but in general I submit that the cost of exec()
> > of those new clients is going to dwarf the cost of the inode cache miss
> > for the JACK socket. [2]
> 
> My experience (caveat: a long time ago, maybe everything has changed 
> internally in both jack and the kernel and that has invalidated my 
> experience cache :-) was that using /tmp would lead to constant - not 
> all the time, but very frequent and not correlated with client 
> connection/disconnection - xruns (glitches in the audio), using /dev/shm 
> would fix that immediately. That was why things were moved over to 
> /dev/shm if I remember correctly.

Smells like something related to atime updating.

Lennart

-- 
Lennart Poettering - Red Hat, Inc.
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