[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:35083"}},
{"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":195.793,"dur":57.043,"args":{"object":14414836034166587394}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":252.836,"dur":478669.333,"args":{"object":14414836034166587394,"queued_after_submit_us":0.625,"dispatch_wait_us":70.751,"settle_after_end_us":137.251}},
{"name":"process_name","ph":"M","pid":2,"tid":0,"args":{"name":"worker 127.0.0.1:40251"}},
{"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":178.668,"dur":55.626,"args":{"object":14414836034166587393}},
{"name":"history::read_history(::String)","ph":"X","pid":2,"tid":1,"ts":234.294,"dur":570034.704,"args":{"object":14414836034166587393,"queued_after_submit_us":4.792,"dispatch_wait_us":9.791,"settle_after_end_us":95.251}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]