Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen angezeigt.

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Nächste Überarbeitung
Vorhergehende Überarbeitung
Nächste ÜberarbeitungBeide Seiten der Revision
software:linux:realtime:benchmark:start [2019-02-11 16:09] mgehrig2software:linux:realtime:benchmark:start [2019-02-15 09:58] mgehrig2
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   * BIOS settings   * BIOS settings
   * Some drivers, like WiFi driver, may negatively influence latency   * Some drivers, like WiFi driver, may negatively influence latency
 +
 +==== Don't ====
 +  * Don't start the application 'Grub customizer' while a real-time application is running. This can introduce latencies of more than 4msec.
 +
 +
 +==== Does ====
 +  * If possible, use only a test based system. See '[[software:linux:linux_os:text_only:start|Boot Ubuntu in text mode]]'.
 +  * Run only software that is absolutely necessary on the real-time master.
 +  * Deactivate automatic updates
 +
  
 ===== Methodical procedure ===== ===== Methodical procedure =====
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 **Tipp**: You may want to use [[https://wiki.archlinux.org/index.php/GNU_Screen |screen]]. **Tipp**: You may want to use [[https://wiki.archlinux.org/index.php/GNU_Screen |screen]].
-This application provides multiple virtual terminal sessions when you want to run multiple programs in parallel..+This application provides multiple virtual terminal sessions if you want to run multiple programs in parallel..
  
 === Tuning === === Tuning ===
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   * Tune some [[software:linux:realtime:tune_bios_settings|BIOS settings]]   * Tune some [[software:linux:realtime:tune_bios_settings|BIOS settings]]
-  * Tune some kernel settings TODO 
   * Use a different kernel version. (4.4.169-rt177 seems to be better than 4.19.15-rt12)   * Use a different kernel version. (4.4.169-rt177 seems to be better than 4.19.15-rt12)
 +  * Tune some kernel settings TODO
   * If the jitter is still too high, you may have to choose a different CPU   * If the jitter is still too high, you may have to choose a different CPU
  
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 === Other possible causes === === Other possible causes ===
   * WLAN driver   * WLAN driver
-  * Ethernet Triber+  * Ethernet driver
   * Bluetooth driver   * Bluetooth driver
   * Various peripheral devices   * Various peripheral devices
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 If the processor does overheat: If the processor does overheat:
-  * Disable hyperthreading in BIOS+  * Disable hyper.threading in BIOS
   * Deactivate Turboboost in BIOS   * Deactivate Turboboost in BIOS
   * Ensure better cooling   * Ensure better cooling