[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:43333"}},
{"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":301.459,"dur":107.834,"args":{"object":7343111495846199297}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":409.293,"dur":2094596.877,"args":{"object":7343111495846199297,"queued_after_submit_us":9.791,"dispatch_wait_us":7.667,"settle_after_end_us":84.084}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]