On Sun, Feb 12, 2006 at 08:18:10PM -0500, Will Dyson wrote: > > On 2/12/06, Ismael Valladolid Torres <ivalladt@xxxxxxxxxxx> wrote: > > > Then I try horgand. It takes a lot for it to load, then it sounds > > nicely, I get no xruns, but my X Window system becomes unresponsive. > > ... > > How much memory does your machine have? Is it swapping when this > slowdown occurs? Good question. This really looks like an 'out of memory' problem. > 1. The realtime audio thread(s) are as independant of the GUI as possible. > > 2. Only the code and data actually needed by those threads would be mlock()ed. > > I think most jack apps are already written such that 1 is true, and it > should not be too hard to selectivly mlock() the data buffers used in > the realtime thread. But I don't know how to tell the Linux kernel to > mlock() only the code pages used by a certain thread. Doing that > automaticly seems like a rather hairy technical problem (it may even > be equivalent to solving the halting problem, i.e. impossible). > ... The real solution is to put the UI and RT parts in separate processes. It's a bit more work, but not so much if you want to have a clean interface between the two anyway. -- FA
