https://www.nic.uoregon.edu/~khuck/tmp/trace_events.0.json https://www.nic.uoregon.edu/~khuck/tmp/trace_events.0.json.gz https://storage.googleapis.com/perfetto-misc/example_chrome_trace_10s.json https://storage.googleapis.com/perfetto-misc/example_chrome_trace_4s_1.json
Fetch and open trace