[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:46545"}},
{"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":394.25,"dur":122.584,"args":{"object":18003393497599574017}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":516.834,"dur":3875601.554,"args":{"object":18003393497599574017,"queued_after_submit_us":8.25,"dispatch_wait_us":8.25,"settle_after_end_us":71.0}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]