[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:40513"}},
{"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":139.084,"dur":43.417,"args":{"object":15970955049748660225}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":182.501,"dur":980026.411,"args":{"object":15970955049748660225,"queued_after_submit_us":18.208,"dispatch_wait_us":3.042,"settle_after_end_us":86.084}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]
