Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
Beide Seiten der vorigen RevisionVorhergehende Überarbeitung | Nächste ÜberarbeitungBeide Seiten der Revision | ||
embedded_systems:ethercat:test_and_tune_rt [2018-12-14 16:16] – mgehrig2 | embedded_systems:ethercat:test_and_tune_rt [2018-12-18 09:49] – mgehrig2 | ||
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In such systems the OS provides the clock for the whole system.\\ | In such systems the OS provides the clock for the whole system.\\ | ||
'' | '' | ||
+ | |||
+ | If the master cannot guarantee a stable clock, the masterShift mode is recommended. | ||
See [[embedded_systems: | See [[embedded_systems: | ||
Zeile 49: | Zeile 51: | ||
'' | '' | ||
+ | |||
+ | ==== Intel cstates ==== | ||
+ | Intel cstates indicate the power saving state of the processor. | ||
+ | These states can be locked with kernel parameters on the C0 state (no power saving measures). | ||
+ | |||
+ | {{: | ||
+ | |||
+ | Display current kernel parameters: | ||
+ | '' | ||
+ | |||
+ | Add kernel parameters: | ||
+ | - '' | ||
+ | - Add '' | ||
+ | * '' | ||
+ | - It should look like this: | ||
+ | * '' | ||
+ | - '' | ||
+ | - reboot the pc | ||
+ | |||