> > > A real test with the Jack low latency server reveals that something else > > > is creating latency hits. > > > > do you run Jack as realtime process ?? > > Correct, it is running SCHED_FIFO. I'm using Jack O'Quin LSM realcap > module to grant non-root users those privileges (compiled as a module in > the kernel). > > Just occured to me, is there anything else in FC2 that may be running > SCHED_FIFO?? I'll try to find out. Using schedutils (chrt) I find no tasks or threads running SCHED_FIFO. And the realtime threads of jack are apparently running SCHED_FIFO. Argh, that would have been too easy :-) -- Fernando