[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:34435"}},
{"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":65.708,"dur":43.292,"args":{"object":7454312803344580609}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":109.0,"dur":1396445.992,"args":{"object":7454312803344580609,"queued_after_submit_us":8.708,"dispatch_wait_us":2.458,"settle_after_end_us":136.292}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]