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wiki:system_configuration [2025/04/05 18:29] – [Disabling resource-intensive daemons, services and processes] autostaticwiki:system_configuration [2025/04/13 16:42] (current) – [rtcqs] autostatic
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 ==== Simultaneous Multithreading ==== ==== Simultaneous Multithreading ====
-Simultaneous Multithreading (SMT) or hyper-threading can cause spikes in DSP load at higher DSP loads. In such cases it might be beneficial to disable SMT. This can be done by setting the SMT ''control'' flag to ''0''.+Simultaneous Multithreading (SMT) or hyper-threading can cause spikes in DSP load at higher DSP loads. In such cases it might be beneficial to disable SMT. This can be done by setting the SMT ''control'' flag to ''off''. 
 + 
 +  echo off | sudo tee /sys/devices/system/cpu/smt/control 
 +   
 +See also https://manual.ardour.org/setting-up-your-system/the-right-computer-system-for-digital-audio/ and https://discourse.ardour.org/t/avoiding-hyperthreading/89367/3 
 + 
 +More information on SMT/hyper-threading: https://en.wikipedia.org/wiki/Simultaneous_multithreading
 ==== Solve IRQ conflicts by unbinding devices ==== ==== Solve IRQ conflicts by unbinding devices ====
  
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 The [[https://codeberg.org/rtcqs/rtcqs|rtcqs]] script automatically analyzes your current configuration. This script will make configuration suggestions based on your current setup and link to the relevant sections on this page for background information. The [[https://codeberg.org/rtcqs/rtcqs|rtcqs]] script automatically analyzes your current configuration. This script will make configuration suggestions based on your current setup and link to the relevant sections on this page for background information.
  
-  rtcqs - version 0.5.0+  rtcqs - version 0.6.6
      
   Root User   Root User
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   [ OK ] Not running as root.   [ OK ] Not running as root.
      
-  Audio Group +  Group Limits 
-  =========== +  ============ 
-  [ OK ] User music is in the audio group.+  [ OK ] User music is member of a group that has sufficient rtprio (95) and memlock (unlimited) limits set.
      
   CPU Frequency Scaling   CPU Frequency Scaling
   =====================   =====================
-  [ OK ] The scaling governor of all CPU's is set at performance.+  [ OK ] The scaling governor of all CPUs is set to performance. 
 +   
 +  Simultaneous Multithreading 
 +  =========================== 
 +  [ OK ] Simultaneous Multithreading (SMT, also called hyper-threading) is disabled.
      
   Kernel Configuration   Kernel Configuration
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   Preempt RT   Preempt RT
   ==========   ==========
-  [ OK ] Kernel 5.17.1-rt17 is a real-time kernel.+  [ OK ] Kernel 6.13.8-4-liquorix-amd64 is using threaded IRQs.
      
   Spectre/Meltdown Mitigations   Spectre/Meltdown Mitigations
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   Swappiness   Swappiness
   ==========   ==========
-  [ OK ] Swappiness is set at 10.+  [ OK ] Your system is configured without swap, setting swappiness does not apply.
      
   Filesystems   Filesystems
   ===========   ===========
-  [ OK ] The following mounts can be used for audio purposes: /, /mnt/data +  [ OK ] The following mounts can be used for audio purposes: /
-  [ WARNING ] The following mounts should be avoided for audio purposes: /run/user/1000/gvfs. See also https://wiki.linuxaudio.org/wiki/system_configuration#filesystems+
      
   IRQs   IRQs
   ====   ====
-  [ OK ] USB port ehci_hcd:usb1 with IRQ 16 does not share its IRQ. +  [ OK ] USB port xhci_hcd with IRQ 45 does not share its IRQ. 
-  USB port ehci_hcd:usb2 with IRQ 23 does not share its IRQ. +  [ OK ] Soundcard snd_hda_intel:card10 with IRQ 91 does not share its IRQ. 
-  USB port xhci_hcd with IRQ 25 does not share its IRQ. +  [ OK ] USB port xhci_hcd with IRQ 43 does not share its IRQ. 
-  Soundcard snd_hda_intel:card10 with IRQ 31 does not share its IRQ.+  [ OK ] Soundcard snd_hda_intel:card11 with IRQ 92 does not share its IRQ. 
 +  [ OK ] USB port xhci_hcd with IRQ 49 does not share its IRQ. 
 +  [ OK ] USB port xhci_hcd with IRQ 47 does not share its IRQ.
      
   Power Management   Power Management
   ================   ================
-  [ OK ] Power management can be controlled from user space. This enables DAW's like Ardour and Reaper to set CPU DMA latency which could help prevent xruns.+  [ OK ] Power management can be controlled from user space. This enables DAWs like Ardour and Reaper to set CPU DMA latency which could help prevent xruns.
  
 Discuss this script at the [[https://linuxmusicians.com/viewtopic.php?f=24&t=24000|LinuxMusicians Forum]] Discuss this script at the [[https://linuxmusicians.com/viewtopic.php?f=24&t=24000|LinuxMusicians Forum]]
wiki/system_configuration.1743877774.txt.gz · Last modified: by autostatic