[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:35375"}},
{"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":12014.906,"dur":16944.598,"args":{"object":17061707967897796609}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":28959.504,"dur":1733361.568,"args":{"object":17061707967897796609,"queued_after_submit_us":48.401,"dispatch_wait_us":5.08,"settle_after_end_us":127.882}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]