openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

244 lines
9.6 KiB

#!/usr/bin/env python3
import argparse
import json
import matplotlib.patches as mpatches
import matplotlib.pyplot as plt
import mpld3
import sys
from bisect import bisect_left, bisect_right
from collections import defaultdict
from tools.lib.logreader import logreader_from_route_or_segment
DEMO_ROUTE = "9f583b1d93915c31|2022-05-18--10-49-51--0"
SERVICES = ['camerad', 'modeld', 'plannerd', 'controlsd', 'boardd']
# Retrive controlsd frameId from lateralPlan, mismatch with longitudinalPlan will be ignored
MONOTIME_KEYS = ['modelMonoTime', 'lateralPlanMonoTime']
MSGQ_TO_SERVICE = {
'roadCameraState': 'camerad',
'wideRoadCameraState': 'camerad',
'modelV2': 'modeld',
'lateralPlan': 'plannerd',
'longitudinalPlan': 'plannerd',
'sendcan': 'controlsd',
'controlsState': 'controlsd'
}
SERVICE_TO_DURATIONS = {
'camerad': ['processingTime'],
'modeld': ['modelExecutionTime', 'gpuExecutionTime'],
'plannerd': ['solverExecutionTime'],
}
def read_logs(lr):
data = defaultdict(lambda: defaultdict(lambda: defaultdict(list)))
mono_to_frame = {}
frame_mismatches = []
frame_id_fails = 0
latest_sendcan_monotime = 0
for msg in lr:
if msg.which() == 'sendcan':
latest_sendcan_monotime = msg.logMonoTime
continue
if msg.which() in MSGQ_TO_SERVICE:
service = MSGQ_TO_SERVICE[msg.which()]
msg_obj = getattr(msg, msg.which())
frame_id = -1
if hasattr(msg_obj, "frameId"):
frame_id = msg_obj.frameId
else:
continue_outer = False
for key in MONOTIME_KEYS:
if hasattr(msg_obj, key):
if getattr(msg_obj, key) == 0:
# Filter out controlsd messages which arrive before the camera loop
continue_outer = True
elif getattr(msg_obj, key) in mono_to_frame:
frame_id = mono_to_frame[getattr(msg_obj, key)]
if continue_outer:
continue
if frame_id == -1:
frame_id_fails += 1
continue
mono_to_frame[msg.logMonoTime] = frame_id
data['timestamp'][frame_id][service].append((msg.which()+" published", msg.logMonoTime))
next_service = SERVICES[SERVICES.index(service)+1]
if not data['start'][frame_id][next_service]:
data['start'][frame_id][next_service] = msg.logMonoTime
data['end'][frame_id][service] = msg.logMonoTime
if service in SERVICE_TO_DURATIONS:
for duration in SERVICE_TO_DURATIONS[service]:
data['duration'][frame_id][service].append((msg.which()+"."+duration, getattr(msg_obj, duration)))
if service == SERVICES[0]:
data['timestamp'][frame_id][service].append((msg.which()+" start of frame", msg_obj.timestampSof))
if not data['start'][frame_id][service]:
data['start'][frame_id][service] = msg_obj.timestampSof
elif msg.which() == 'controlsState':
# Sendcan is published before controlsState, but the frameId is retrived in CS
data['timestamp'][frame_id][service].append(("sendcan published", latest_sendcan_monotime))
elif msg.which() == 'modelV2':
if msg_obj.frameIdExtra != frame_id:
frame_mismatches.append(frame_id)
if frame_id_fails > 20:
print("Warning, many frameId fetch fails", frame_id_fails)
if len(frame_mismatches) > 20:
print("Warning, many frame mismatches", len(frame_mismatches))
return (data, frame_mismatches)
# This is not needed in 3.10 as a "key" parameter is added to bisect
class KeyifyList(object):
def __init__(self, inner, key):
self.inner = inner
self.key = key
def __len__(self):
return len(self.inner)
def __getitem__(self, k):
return self.key(self.inner[k])
def find_frame_id(time, service, start_times, end_times):
left = bisect_left(KeyifyList(list(start_times.items()),
lambda x: x[1][service] if x[1][service] else -1), time) - 1
right = bisect_right(KeyifyList(list(end_times.items()),
lambda x: x[1][service] if x[1][service] else float("inf")), time)
return left, right
def find_t0(start_times, frame_id=-1):
frame_id = frame_id if frame_id > -1 else min(start_times.keys())
m = max(start_times.keys())
while frame_id <= m:
for service in SERVICES:
if start_times[frame_id][service]:
return start_times[frame_id][service]
frame_id += 1
raise Exception('No start time has been set')
def insert_cloudlogs(lr, timestamps, start_times, end_times):
# at least one cloudlog must be made in controlsd
t0 = find_t0(start_times)
failed_inserts = 0
latest_controls_frameid = 0
for msg in lr:
if msg.which() == "logMessage":
jmsg = json.loads(msg.logMessage)
if "timestamp" in jmsg['msg']:
time = int(jmsg['msg']['timestamp']['time'])
service = jmsg['ctx']['daemon']
event = jmsg['msg']['timestamp']['event']
if time < t0:
# Filter out controlsd messages which arrive before the camera loop
continue
if "frame_id" in jmsg['msg']['timestamp']:
timestamps[int(jmsg['msg']['timestamp']['frame_id'])][service].append((event, time))
continue
if service == "boardd":
timestamps[latest_controls_frameid][service].append((event, time))
end_times[latest_controls_frameid][service] = time
else:
frame_id = find_frame_id(time, service, start_times, end_times)
if frame_id:
if frame_id[0] != frame_id[1]:
event += " (warning: ambiguity)"
frame_id = frame_id[0]
if service == 'controlsd':
latest_controls_frameid = frame_id
timestamps[frame_id][service].append((event, time))
else:
failed_inserts += 1
if latest_controls_frameid == 0:
print("Warning: failed to bind boardd logs to a frame ID. Add a timestamp cloudlog in controlsd.")
elif failed_inserts > len(timestamps):
print(f"Warning: failed to bind {failed_inserts} cloudlog timestamps to a frame ID")
def print_timestamps(timestamps, durations, start_times, relative):
t0 = find_t0(start_times)
for frame_id in timestamps.keys():
print('='*80)
print("Frame ID:", frame_id)
if relative:
t0 = find_t0(start_times, frame_id)
for service in SERVICES:
print(" "+service)
events = timestamps[frame_id][service]
for event, time in sorted(events, key = lambda x: x[1]):
print(" "+'%-53s%-53s' %(event, str((time-t0)/1e6)))
for event, time in durations[frame_id][service]:
print(" "+'%-53s%-53s' %(event, str(time*1000)))
def graph_timestamps(timestamps, start_times, end_times, relative, offset_services=False, title=""):
# mpld3 doesn't convert properly to D3 font sizes
plt.rcParams.update({'font.size': 18})
t0 = find_t0(start_times)
fig, ax = plt.subplots()
ax.set_xlim(0, 130 if relative else 750)
ax.set_ylim(0, 17)
ax.set_xlabel('Time (milliseconds)')
colors = ['blue', 'green', 'red', 'yellow', 'purple']
offsets = [[0, -5*j] for j in range(len(SERVICES))] if offset_services else None
height = 0.3 if offset_services else 0.9
assert len(colors) == len(SERVICES), 'Each service needs a color'
points = {"x": [], "y": [], "labels": []}
for i, (frame_id, services) in enumerate(timestamps.items()):
if relative:
t0 = find_t0(start_times, frame_id)
service_bars = []
for service, events in services.items():
if start_times[frame_id][service] and end_times[frame_id][service]:
start = start_times[frame_id][service]
end = end_times[frame_id][service]
service_bars.append(((start-t0)/1e6,(end-start)/1e6))
for event in events:
points['x'].append((event[1]-t0)/1e6)
points['y'].append(i)
points['labels'].append(event[0])
ax.broken_barh(service_bars, (i-height/2, height), facecolors=(colors), alpha=0.5, offsets=offsets)
scatter = ax.scatter(points['x'], points['y'], marker='d', edgecolor='black')
tooltip = mpld3.plugins.PointLabelTooltip(scatter, labels=points['labels'])
mpld3.plugins.connect(fig, tooltip)
plt.title(title)
# Set size relative window size is not trivial: https://github.com/mpld3/mpld3/issues/65
fig.set_size_inches(18, 9)
plt.legend(handles=[mpatches.Patch(color=colors[i], label=SERVICES[i]) for i in range(len(SERVICES))])
return fig
def get_timestamps(lr):
lr = list(lr)
data, frame_mismatches = read_logs(lr)
insert_cloudlogs(lr, data['timestamp'], data['start'], data['end'])
return data, frame_mismatches
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="A tool for analyzing openpilot's end-to-end latency",
formatter_class = argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument("--relative", action="store_true", help="Make timestamps relative to the start of each frame")
parser.add_argument("--demo", action="store_true", help="Use the demo route instead of providing one")
parser.add_argument("--plot", action="store_true", help="If a plot should be generated")
parser.add_argument("--offset", action="store_true", help="Vertically offset service to better visualize overlap")
parser.add_argument("route_or_segment_name", nargs='?', help="The route to print")
if len(sys.argv) == 1:
parser.print_help()
sys.exit()
args = parser.parse_args()
r = DEMO_ROUTE if args.demo else args.route_or_segment_name.strip()
lr = logreader_from_route_or_segment(r, sort_by_time=True)
data, _ = get_timestamps(lr)
print_timestamps(data['timestamp'], data['duration'], data['start'], args.relative)
if args.plot:
mpld3.show(graph_timestamps(data['timestamp'], data['start'], data['end'], args.relative, offset_services=args.offset, title=r))