![George Hotz](/assets/img/avatar_default.png)
* new settings for governors, +30% memory bandwidth * CPU waste is better * warm up frame_drop * optional CORE arg for rtshield * back off priorities of processes not critical to driving * if it doesn't drive, it's not realtime * err, resource. this should have been included * reverse order to not spike Co-authored-by: Comma Device <device@comma.ai>
21 lines
515 B
Python
Executable file
21 lines
515 B
Python
Executable file
#!/usr/bin/env python3
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import os
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import time
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from common.realtime import set_core_affinity, set_realtime_priority
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# RT shield - ensure CPU 3 always remains available for RT processes
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# runs as SCHED_FIFO with minimum priority to ensure kthreads don't
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# get scheduled onto CPU 3, but it's always preemptible by realtime
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# openpilot processes
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def main():
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set_core_affinity(int(os.getenv("CORE", "3")))
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set_realtime_priority(1)
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while True:
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time.sleep(0.000001)
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if __name__ == "__main__":
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main()
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