[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:37697"}},
{"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":69.792,"dur":29.0,"args":{"object":6974856464401694721}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":98.792,"dur":1187159.782,"args":{"object":6974856464401694721,"queued_after_submit_us":15.5,"dispatch_wait_us":2.5,"settle_after_end_us":80.168}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]