[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:42821"}},
{"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":233.042,"dur":131.542,"args":{"object":10582477260437061633}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":364.584,"dur":469138.021,"args":{"object":10582477260437061633,"queued_after_submit_us":8.084,"dispatch_wait_us":6.75,"settle_after_end_us":192.792}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]
