dragonpilot - 基於 openpilot 的開源駕駛輔助系統
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#!/usr/bin/env python3
import unittest
import time
import math
import threading
from dataclasses import dataclass
from tabulate import tabulate
from typing import List
import cereal.messaging as messaging
from cereal.services import service_list
from system.hardware import HARDWARE, TICI
from system.hardware.tici.power_monitor import get_power
from selfdrive.manager.process_config import managed_processes
from selfdrive.manager.manager import manager_cleanup
from selfdrive.navd.tests.test_map_renderer import gen_llk
SAMPLE_TIME = 8 # seconds to sample power
@dataclass
class Proc:
name: str
power: float
msgs: List[str]
rtol: float = 0.05
atol: float = 0.12
warmup: float = 6.
PROCS = [
Proc('camerad', 2.1, msgs=['roadCameraState', 'wideRoadCameraState', 'driverCameraState']),
Proc('modeld', 0.93, atol=0.2, msgs=['modelV2']),
Proc('dmonitoringmodeld', 0.4, msgs=['driverStateV2']),
Proc('encoderd', 0.23, msgs=[]),
Proc('mapsd', 0.05, msgs=['mapRenderState']),
Proc('navmodeld', 0.05, msgs=['navModel']),
]
def send_llk_msg(done):
# Send liveLocationKalman at 20Hz
pm = messaging.PubMaster(['liveLocationKalman'])
while not done.is_set():
msg = gen_llk()
pm.send('liveLocationKalman', msg)
time.sleep(1/20.)
class TestPowerDraw(unittest.TestCase):
@classmethod
def setUpClass(cls):
if not TICI:
raise unittest.SkipTest
def setUp(self):
HARDWARE.initialize_hardware()
HARDWARE.set_power_save(False)
# wait a bit for power save to disable
time.sleep(5)
def tearDown(self):
manager_cleanup()
def test_camera_procs(self):
baseline = get_power()
done = threading.Event()
thread = threading.Thread(target=send_llk_msg, args=(done,), daemon=True)
thread.start()
prev = baseline
used = {}
msg_counts = {}
for proc in PROCS:
socks = {msg: messaging.sub_sock(msg) for msg in proc.msgs}
managed_processes[proc.name].start()
time.sleep(proc.warmup)
for sock in socks.values():
messaging.drain_sock_raw(sock)
now = get_power(SAMPLE_TIME)
used[proc.name] = now - prev
prev = now
for msg,sock in socks.items():
msg_counts[msg] = len(messaging.drain_sock_raw(sock))
done.set()
manager_cleanup()
tab = [['process', 'expected (W)', 'measured (W)', '# msgs expected', '# msgs received']]
for proc in PROCS:
cur = used[proc.name]
expected = proc.power
msgs_received = sum(msg_counts[msg] for msg in proc.msgs)
msgs_expected = int(sum(SAMPLE_TIME * service_list[msg].frequency for msg in proc.msgs))
tab.append([proc.name, round(expected, 2), round(cur, 2), msgs_expected, msgs_received])
with self.subTest(proc=proc.name):
self.assertTrue(math.isclose(cur, expected, rel_tol=proc.rtol, abs_tol=proc.atol))
self.assertTrue(math.isclose(msgs_expected, msgs_received, rel_tol=.02, abs_tol=2))
print(tabulate(tab))
print(f"Baseline {baseline:.2f}W\n")
if __name__ == "__main__":
unittest.main()