[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:44405"}},
{"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":307.668,"dur":186.334,"args":{"object":9583381830602588161}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":494.002,"dur":513942.965,"args":{"object":9583381830602588161,"queued_after_submit_us":8.667,"dispatch_wait_us":11.125,"settle_after_end_us":214.585}},
{"name":"process_name","ph":"M","pid":2,"tid":0,"args":{"name":"worker 127.0.0.1:38975"}},
{"name":"thread_name","ph":"M","pid":2,"tid":1,"args":{"name":"running"}},
{"name":"thread_name","ph":"M","pid":2,"tid":2,"args":{"name":"waiting for inputs"}},
{"name":"inputs","ph":"X","pid":2,"tid":2,"ts":409.419,"dur":82.667,"args":{"object":9583381830602588162}},
{"name":"history::read_history(::String)","ph":"X","pid":2,"tid":1,"ts":492.086,"dur":555011.742,"args":{"object":9583381830602588162,"queued_after_submit_us":2.75,"dispatch_wait_us":177.918,"settle_after_end_us":116.0}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]