[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:43905"}},
{"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":136.501,"dur":36.292,"args":{"object":9943699487606177794}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":172.793,"dur":466203.405,"args":{"object":9943699487606177794,"queued_after_submit_us":1.001,"dispatch_wait_us":50.291,"settle_after_end_us":104.25}},
{"name":"process_name","ph":"M","pid":2,"tid":0,"args":{"name":"worker 127.0.0.1:44255"}},
{"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":109.751,"dur":35.458,"args":{"object":9943699487606177793}},
{"name":"history::read_history(::String)","ph":"X","pid":2,"tid":1,"ts":145.209,"dur":470516.208,"args":{"object":9943699487606177793,"queued_after_submit_us":3.292,"dispatch_wait_us":4.584,"settle_after_end_us":84.5}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]