Dependencies between IEC task priorities and Linux priorities
When the target system is running in Linux, specific priorities of the IEC tasks are mapped to specific priorities and scheduling policies. Depending on the priority, the scheduling policy SCHED_FIFO or SCHED_OTHER is displayed as in the table.
|
IEC Task Priority |
Linux Priority Linux (Default) |
|---|---|
|
0 (highest real-time priority) |
56 (SCHED_FIFO) |
|
15 (lowest real-time priority) |
41 (SCHED_OTHER) |
|
16 (no real-time priority) |
0 (SCHED_OTHER) |
|
31 (no real-time priority) |
0 (SCHED_OTHER) |