[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:44775"}},
{"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":431.21,"dur":80.292,"args":{"object":16815034733229506562}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":511.502,"dur":864119.896,"args":{"object":16815034733229506562,"queued_after_submit_us":3.084,"dispatch_wait_us":162.5,"settle_after_end_us":74.001}},
{"name":"process_name","ph":"M","pid":2,"tid":0,"args":{"name":"worker 127.0.0.1:34631"}},
{"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":347.793,"dur":101.917,"args":{"object":16815034733229506561}},
{"name":"history::read_history(::String)","ph":"X","pid":2,"tid":1,"ts":449.71,"dur":1252305.637,"args":{"object":16815034733229506561,"queued_after_submit_us":8.709,"dispatch_wait_us":14.0,"settle_after_end_us":83.334}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]