Files
sunnypilot/selfdrive/rtshield.py
Adeeb Shihadeh 86bb0caf66 Realtime shield (#2194)
* cpu 3 shield

* set priority before affinity

* add to release files

* only run on android
old-commit-hash: b341fdc644
2020-09-17 15:49:14 -07:00

17 lines
442 B
Python

#!/usr/bin/env python3
import time
from common.realtime import set_core_affinity, set_realtime_priority
# RT shield - ensure CPU 3 always remains available for RT processes
# runs as SCHED_FIFO with minimum priority to ensure kthreads don't
# get scheduled onto CPU 3, but it's always preemptible by realtime
# openpilot processes
def main():
set_core_affinity(3)
set_realtime_priority(1)
while True:
time.sleep(0.000001)