[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:44089"}},
{"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":272.168,"dur":140.583,"args":{"object":230158570019094529}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":412.751,"dur":505700.634,"args":{"object":230158570019094529,"queued_after_submit_us":9.625,"dispatch_wait_us":12.626,"settle_after_end_us":191.75}},
{"name":"process_name","ph":"M","pid":2,"tid":0,"args":{"name":"worker 127.0.0.1:33641"}},
{"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":403.46,"dur":105.791,"args":{"object":230158570019094530}},
{"name":"history::read_history(::String)","ph":"X","pid":2,"tid":1,"ts":509.251,"dur":765319.776,"args":{"object":230158570019094530,"queued_after_submit_us":1.166,"dispatch_wait_us":143.292,"settle_after_end_us":121.291}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]