I don't know about the rest of the settings, but why is i8042 (PS/2 keyboard/mouse controller) on the RTIRQ_NAME_LIST?
Does the laptop use shared system memory for video?
On August 22, 2020 12:29:58 PM HST, Nicola Pandini <nicola.pandini@email-addr-hidden.com> wrote:
> Hello list!
> I have a setup that I use in my live sets made with an ASUS N551
> laptops
> and a NI Komplete Audio 6, which allows me to play without XRUNS at 64
>
> frames / period with a modular approach (Qtractor, LinuxSampler,
> Yoshimi, SooperLooper, PureData).
> The whole thing runs on Debian Stretch with AVLinux 4.9.47-rt37avl2
> kernel.
> I am quite happy with the performance of this setup, but I started
> having XRUNS when I added real-time video management as well. Those
> issues made me notice that the system runs without XRUNS only if XOrg
> is
> not stressed much, while it starts producing XRUNS when I play a
> video,
> or when I open the browser, or even when I quickly move or resize a
> window.
>
> I would like to understand if the problem is due to an incorrect
> configuration of realtime priorities, or to something that I have not
> yet managed to trap.
>
> I currently use these configurations:
>
> [Xorg]
> The video driver is i915.
> I read on the internet that:
> "If your graphic card was manufactured in 2007 and newer, try
> uninstalling the xserver-xorg-video-intel package and use the builtin
> modesetting driver (xserver-xorg-core) instead"
> Questions:
> - I uninstalled xserver-xorg-video-intel, but I still see the i915
> driver: is that correct, or should I see another driver?
>
> [rtirq]
> RTIRQ_NAME_LIST = "snd usb i8042"
> RTIRQ_PRIO_HIGH = 90
> RTIRQ_PRIO_DECR = 5
> RTIRQ_PRIO_LOW = 51
> RTIRQ_RESET_ALL = 0
> RTIRQ_NON_THREADED = "rtc snd"
> Questions:
> - rtc must be in "NON_THREADED", or in "RTIRQ_NAME_LIST"?
> - in "RTIRQ_NAME_LIST" can I remove "usb" and put only the item that
> manages my USB card? Should it be xhci?
> - can i take i8042 off the list?
> - is it recommended to use RTIRQ_RESET_ALL = 1 to override all other
> IRQs?
>
> [jackd]
> jackd -P83 -dalsa -dhw: K6 -r44100 -p64 -n2 -I1
> Questions:
> - the priority must be lower than those that are set to the IRQs by
> rtirq?
>
> [limits.conf]
> @audio - rtprio 99 # maximum realtime priority
> @audio - memlock unlimited # maximum locked-in-memory address space
> (KB)
> Questions:
> - what is the recommended value of rtprio in 2020? On the internet I
> find 90, 95 and 99
>
> Can you help me do a checkup of my configuration?
>
> Thanks!
>
> --
> Nicola Pandini
> http://nicolapandini.damai.it
> _______________________________________________
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--- David W. Jones gnome@email-addr-hidden.rr.com authenticity, honesty, community http://dancingtreefrog.com Sent from my Android device with F/LOSS K-9 Mail.
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Received on Mon Aug 24 04:15:01 2020
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