Infoportal
Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
| Beide Seiten der vorigen RevisionVorhergehende ÜberarbeitungNächste Überarbeitung | Vorhergehende Überarbeitung | ||
| software:linux:realtime:testeddevices [2019-02-08 14:58] – mgehrig2 | software:linux:realtime:testeddevices [2023-04-11 09:53] (aktuell) – Urs Graf | ||
|---|---|---|---|
| Zeile 3: | Zeile 3: | ||
| The maximum jitter of a device roughly describes how well real-time requirements can be met.. | The maximum jitter of a device roughly describes how well real-time requirements can be met.. | ||
| If a device has a maximum jitter of 100us, then it must be expected that an event is handled up to 100us too late. | If a device has a maximum jitter of 100us, then it must be expected that an event is handled up to 100us too late. | ||
| - | |||
| - | TODO wie gemessen? | ||
| ==== Tips ==== | ==== Tips ==== | ||
| Zeile 11: | Zeile 9: | ||
| to show the installed hardware. | to show the installed hardware. | ||
| - | + | ===== Low Jitter (<40us) ===== | |
| - | + | ||
| - | **Note**: The jitter measurements here describe jitter performance, | + | |
| - | Depending on the installed kernel and running software the jitter may be worse. | + | |
| - | Better performance is possible, if the system is tweaked better. | + | |
| - | + | ||
| - | These benchmarks were made to test the hardware. | + | |
| - | + | ||
| - | + | ||
| - | ===== Low Jitter (<30us) ===== | + | |
| * **Dell Tower OPTIPLEX 9010** | * **Dell Tower OPTIPLEX 9010** | ||
| * ~30us max jitter | * ~30us max jitter | ||
| - | * 2 x i7-3770 | + | * 2 x i7-3770 @3.4Gz |
| - | ===== Medium Jitter (30us...10us) ===== | + | ===== Medium Jitter (40us...100us) ===== |
| - | * **[[https:// | + | * **[[https:// |
| * ~100us max jitter | * ~100us max jitter | ||
| - | * 2 x i7-4650U | + | * 2 x i7-4650U |
| - | ===== High Jitter (>10us) ===== | + | ===== High Jitter (>100us) ===== |
| * **Laptop Dell Latitude E5530** | * **Laptop Dell Latitude E5530** | ||
| * ~250us max jitter | * ~250us max jitter | ||