[linux-audio-user] Re: favorite window Manager for making music?
Jan Depner
eviltwin69 at cableone.net
Wed Feb 22 22:02:12 EST 2006
On Tue, 2006-02-21 at 22:27 -0500, Lee Revell wrote:
> On Tue, 2006-02-21 at 19:16 -0800, Mark Knecht wrote:
> > Just speaking logically, if badly written apps can cause a real-time
> > kernel to have some xruns, then isn't it true that a badly written WM
> > could do the same thing?
>
> When I say badly written apps I am taking about the JACK client's
> processing thread. These xruns are not caused by the kernel. If a JACK
> client sleeps in the process() callback or tries to do 10ms worth of
> work with a 5ms deadline then xruns are inevitable, the best RTOS in the
> world will not help you.
>
Yes, it will. In VxWorks, if my interrupt is higher priority than
whatever the application is doing then the application will be
interrupted. Period. That is hard real-time.
--
Jan 'Evil Twin' Depner
The Fuzzy Dice
http://myweb.cableone.net/eviltwin69/fuzzy.html
"As we enjoy great advantages from the invention of others, we should be
glad of an opportunity to serve others by any invention of ours, and
this we should do freely and generously."
Benjamin Franklin, on declining patents offered by the governor of
Pennsylvania for his "Pennsylvania Fireplace", c. 1744
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