On Wed, 29 Mar 2017 08:27:58 -0700, Bert Schiettecatte wrote: > > Are you using the RT patchset [1] and CONFIG_PREEMPT_RT_FULL? I'm able > > to run at 44100Hz with 128 sample buffers on RK3288 with appropriate > > thread priorities (although that is on a 4.4 series kernel, I haven't > > tested audio performance on more recent versions). > > I can't find that setting in my kernel config. I saw those patch sets, > but did not apply them yet since I am not sure how relevant they still > are for a 4.10 kernel? Has anyone applied these patches to more recent > kernels than 4.4 and is it possible to do so? It's easiest just to grab the RT kernel sources, the current rt-devel series is on 4.9 [1]. I'm not sure how easy it will be to migrate that forward to 4.10, maybe backporting the audio gadget fixes you need is easier. [1] https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/ Regards, John
