[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:36339"}},
{"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":250.212,"dur":99.168,"args":{"object":12878454351814721537}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":349.38,"dur":1641658.285,"args":{"object":12878454351814721537,"queued_after_submit_us":29.042,"dispatch_wait_us":9.167,"settle_after_end_us":184.919}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]