tleb

> Maybe you just did not test in a way that you can see gtk's "destructor" begin called. I tested it now on my computer (Arch Linux / KDE /...

Noted, I'll make sure to submit work split across pull requests.

> What does `threadirqs` boot option actually do? Any documentation about that? [Documentation/admin-guide/kernel-parameters.txt](https://elixir.bootlin.com/linux/v6.9.7/source/Documentation/admin-guide/kernel-parameters.txt#L6551) says this: "Force threading of all interrupt handlers except those marked explicitly IRQF_NO_THREAD". It might help latency...

I'd be curious if you could check your old setup with the master branch now that #3231 and #3242 have been applied? Both optimise the spectrum realtime code so the...