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							133 lines
						
					
					
						
							4.2 KiB
						
					
					
				
			
		
		
	
	
							133 lines
						
					
					
						
							4.2 KiB
						
					
					
				| #!/usr/bin/env python3
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| from collections import defaultdict, deque
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| import pytest
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| import unittest
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| import time
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| import numpy as np
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| from dataclasses import dataclass
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| from tabulate import tabulate
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| 
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| import cereal.messaging as messaging
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| from cereal.services import SERVICE_LIST
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| from openpilot.common.mock import mock_messages
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| from openpilot.selfdrive.car.car_helpers import write_car_param
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| from openpilot.system.hardware.tici.power_monitor import get_power
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| from openpilot.selfdrive.manager.process_config import managed_processes
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| from openpilot.selfdrive.manager.manager import manager_cleanup
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| 
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| SAMPLE_TIME = 8       # seconds to sample power
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| MAX_WARMUP_TIME = 30  # seconds to wait for SAMPLE_TIME consecutive valid samples
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| 
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| @dataclass
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| class Proc:
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|   procs: list[str]
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|   power: float
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|   msgs: list[str]
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|   rtol: float = 0.05
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|   atol: float = 0.12
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| 
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|   @property
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|   def name(self):
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|     return '+'.join(self.procs)
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| 
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| 
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| PROCS = [
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|   Proc(['camerad'], 2.1, msgs=['roadCameraState', 'wideRoadCameraState', 'driverCameraState']),
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|   Proc(['modeld'], 1.12, atol=0.2, msgs=['modelV2']),
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|   Proc(['dmonitoringmodeld'], 0.4, msgs=['driverStateV2']),
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|   Proc(['encoderd'], 0.23, msgs=[]),
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| ]
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| 
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| 
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| @pytest.mark.tici
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| class TestPowerDraw(unittest.TestCase):
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| 
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|   def setUp(self):
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|     write_car_param()
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| 
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|     # wait a bit for power save to disable
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|     time.sleep(5)
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| 
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|   def tearDown(self):
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|     manager_cleanup()
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| 
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|   def get_expected_messages(self, proc):
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|     return int(sum(SAMPLE_TIME * SERVICE_LIST[msg].frequency for msg in proc.msgs))
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| 
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|   def valid_msg_count(self, proc, msg_counts):
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|     msgs_received = sum(msg_counts[msg] for msg in proc.msgs)
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|     msgs_expected = self.get_expected_messages(proc)
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|     return np.core.numeric.isclose(msgs_expected, msgs_received, rtol=.02, atol=2)
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| 
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|   def valid_power_draw(self, proc, used):
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|     return np.core.numeric.isclose(used, proc.power, rtol=proc.rtol, atol=proc.atol)
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| 
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|   def tabulate_msg_counts(self, msgs_and_power):
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|     msg_counts = defaultdict(int)
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|     for _, counts in msgs_and_power:
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|       for msg, count in counts.items():
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|         msg_counts[msg] += count
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|     return msg_counts
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| 
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|   def get_power_with_warmup_for_target(self, proc, prev):
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|     socks = {msg: messaging.sub_sock(msg) for msg in proc.msgs}
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|     for sock in socks.values():
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|       messaging.drain_sock_raw(sock)
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| 
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|     msgs_and_power = deque([], maxlen=SAMPLE_TIME)
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| 
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|     start_time = time.monotonic()
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| 
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|     while (time.monotonic() - start_time) < MAX_WARMUP_TIME:
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|       power = get_power(1)
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|       iteration_msg_counts = {}
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|       for msg,sock in socks.items():
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|         iteration_msg_counts[msg] = len(messaging.drain_sock_raw(sock))
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|       msgs_and_power.append((power, iteration_msg_counts))
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| 
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|       if len(msgs_and_power) < SAMPLE_TIME:
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|         continue
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| 
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|       msg_counts = self.tabulate_msg_counts(msgs_and_power)
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|       now = np.mean([m[0] for m in msgs_and_power])
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| 
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|       if self.valid_msg_count(proc, msg_counts) and self.valid_power_draw(proc, now - prev):
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|         break
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| 
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|     return now, msg_counts, time.monotonic() - start_time - SAMPLE_TIME
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| 
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|   @mock_messages(['liveLocationKalman'])
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|   def test_camera_procs(self):
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|     baseline = get_power()
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| 
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|     prev = baseline
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|     used = {}
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|     warmup_time = {}
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|     msg_counts = {}
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| 
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|     for proc in PROCS:
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|       for p in proc.procs:
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|         managed_processes[p].start()
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|       now, local_msg_counts, warmup_time[proc.name] = self.get_power_with_warmup_for_target(proc, prev)
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|       msg_counts.update(local_msg_counts)
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| 
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|       used[proc.name] = now - prev
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|       prev = now
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| 
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|     manager_cleanup()
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| 
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|     tab = [['process', 'expected (W)', 'measured (W)', '# msgs expected', '# msgs received', "warmup time (s)"]]
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|     for proc in PROCS:
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|       cur = used[proc.name]
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|       expected = proc.power
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|       msgs_received = sum(msg_counts[msg] for msg in proc.msgs)
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|       tab.append([proc.name, round(expected, 2), round(cur, 2), self.get_expected_messages(proc), msgs_received, round(warmup_time[proc.name], 2)])
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|       with self.subTest(proc=proc.name):
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|         self.assertTrue(self.valid_msg_count(proc, msg_counts), f"expected {self.get_expected_messages(proc)} msgs, got {msgs_received} msgs")
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|         self.assertTrue(self.valid_power_draw(proc, cur), f"expected {expected:.2f}W, got {cur:.2f}W")
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|     print(tabulate(tab))
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|     print(f"Baseline {baseline:.2f}W\n")
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| 
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| 
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| if __name__ == "__main__":
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|   unittest.main()
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| 
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