[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:40537"}},
{"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":207.751,"dur":81.291,"args":{"object":14667643444206239745}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":289.042,"dur":1326952.184,"args":{"object":14667643444206239745,"queued_after_submit_us":32.167,"dispatch_wait_us":7.167,"settle_after_end_us":184.041}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]