[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:44777"}},
{"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":270.793,"dur":89.542,"args":{"object":2867469150635163649}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":360.335,"dur":1055966.37,"args":{"object":2867469150635163649,"queued_after_submit_us":24.0,"dispatch_wait_us":8.167,"settle_after_end_us":100.834}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]