carrot/selfdrive/debug/internal/measure_modeld_packet_drop.py
Vehicle Researcher d64fb1838d openpilot v0.9.7 release
date: 2024-06-11T01:36:39
master commit: f8cb04e4a8b032b72a909f68b808a50936184bee
2024-06-11 16:32:27 -07:00

34 lines
764 B
Python
Executable File

#!/usr/bin/env python3
import cereal.messaging as messaging
if __name__ == "__main__":
modeld_sock = messaging.sub_sock("modelV2")
last_frame_id = None
start_t: int | None = None
frame_cnt = 0
dropped = 0
while True:
m = messaging.recv_one(modeld_sock)
if m is None:
continue
frame_id = m.modelV2.frameId
t = m.logMonoTime / 1e9
frame_cnt += 1
if start_t is None:
start_t = t
last_frame_id = frame_id
continue
d_frame = frame_id - last_frame_id
dropped += d_frame - 1
expected_num_frames = int((t - start_t) * 20)
frame_drop = 100 * (1 - (expected_num_frames / frame_cnt))
print(f"Num dropped {dropped}, Drop compared to 20Hz: {frame_drop:.2f}%")
last_frame_id = frame_id