Re: New FreeBSD port ALSA to JACK MIDI, a2jmidid

From: Hans Petter Selasky <>
Date: Sun, 27 Feb 2022 20:41:03 UTC
On 2/27/22 21:36, Hans Petter Selasky wrote:
> On 2/27/22 21:29, Hans Petter Selasky wrote:
>> On 2/27/22 18:45, Florian Walpen wrote:
>>> @HPS: Any ideas about the latency introduced by alsa-seq-server / CUSE?
>> Hi,
>> What tools did you use to test?
>> You might want to ktrace the applications in question to see what is 
>> going on.
>> Is this something I could test on my computer?
>> --HPS
> Did you set real-time priority for alsa-seq-server and did you install 
> the very latest version available from ports?


One more idea:

Can you make a FIFO "man mkfifo" and add that to the alsa-seq-server 
instance? Then start jack_umidi on that FIFO aswell. What is the result?

You probably need to use aconnect to loop the events.