[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:33021"}},
{"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":73.293,"dur":30.458,"args":{"object":14890654089133162497}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":103.751,"dur":1999449.894,"args":{"object":14890654089133162497,"queued_after_submit_us":7.917,"dispatch_wait_us":2.5,"settle_after_end_us":96.626}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]