[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:37303"}},
{"name":"thread_name","ph":"M","pid":1,"tid":1,"args":{"name":"running"}},
{"name":"thread_name","ph":"M","pid":1,"tid":2,"args":{"name":"waiting for inputs"}},
{"name":"inputs","ph":"X","pid":1,"tid":2,"ts":272.044,"dur":122.334,"args":{"object":10845735528498724865}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":394.378,"dur":688621.258,"args":{"object":10845735528498724865,"queued_after_submit_us":7.834,"dispatch_wait_us":11.583,"settle_after_end_us":132.959}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]
