[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:44639"}},
{"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":322.168,"dur":105.834,"args":{"object":10835632116151091201}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":428.002,"dur":673675.415,"args":{"object":10835632116151091201,"queued_after_submit_us":11.416,"dispatch_wait_us":6.334,"settle_after_end_us":184.084}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]