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latency logger: improve plot style

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old-commit-hash: 3d74b5429da5c0b2c4c61ee0e32222512274a8df
This commit is contained in:
Adeeb Shihadeh
2022-05-23 20:57:14 -07:00
parent 46ff882add
commit e5f94df332
1 changed files with 11 additions and 4 deletions
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tools/latencylogger/latency_logger.py
+11 -4
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@@ -175,12 +175,16 @@ def print_timestamps(timestamps, durations, start_times, relative):
for event, time in durations[frame_id][service]:
print(" "+'%-53s%-53s' %(event, str(time*1000)))
def graph_timestamps(timestamps, start_times, end_times, relative):
def graph_timestamps(timestamps, start_times, end_times, relative, 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, 150 if relative else 750)
ax.set_ylim(0, 15)
ax.set_xlabel('milliseconds')
ax.set_xlabel('Time (milliseconds)')
ax.set_ylabel('Frame ID')
colors = ['blue', 'green', 'red', 'yellow', 'purple']
assert len(colors) == len(SERVICES), 'Each service needs a color'
@@ -202,9 +206,12 @@ def graph_timestamps(timestamps, start_times, end_times, relative):
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)
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):
@@ -232,4 +239,4 @@ if __name__ == "__main__":
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))
mpld3.show(graph_timestamps(data['timestamp'], data['start'], data['end'], args.relative, r))