[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:33623"}},
{"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":291.877,"dur":107.667,"args":{"object":3831895879334232065}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":399.544,"dur":777171.585,"args":{"object":3831895879334232065,"queued_after_submit_us":10.958,"dispatch_wait_us":7.709,"settle_after_end_us":130.334}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]
