[linux-audio-user] 2.6.15.4, realtime-lsm, jackd -R,

[Paul Davis]

On Wed, 2006-02-15 at 14:39 -0600, Brent Busby wrote:
> On Wed, 15 Feb 2006, Ross Vandegrift wrote:
> 
> > On Tue, Feb 14, 2006 at 03:42:00PM -0600, Jan Depner wrote:
> >>> Does a process inherit its parent's RT rlimits?  I would expect them
> >>> to work that way.  If so, it should be enough to run your display or
> >>> window manager under set_rlimits.  Then, any app you started in that X
> >>> session would automatically inherit the ability to request RT
> >>> scheduling and mlock pages.
> 
> I didn't want to say this earlier, because I realize most of the users 
> on this list are probably running single-user workstations, and are not 
> expecting their machines to perform as general purpose Unix sites on the 
> Internet, but...there are at least a few reasons why running an entire 
> desktop session from the window manager up at realtime priority would be 
> a really _bad_ idea. 

set_rtlimits, as i understand it, doesn't run its child process with RT
scheduling, it makes it possible for its child (and grandchildren etc.)
to successfully ask for RT scheduling.

--p