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