[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:45861"}},
{"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":350.418,"dur":109.043,"args":{"object":13355942564943888385}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":459.461,"dur":619961.928,"args":{"object":13355942564943888385,"queued_after_submit_us":12.375,"dispatch_wait_us":9.0,"settle_after_end_us":186.543}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]
