[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:41371"}},
{"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":1930.636,"dur":3068.497,"args":{"object":13126381029738676225}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":4999.133,"dur":1988274.401,"args":{"object":13126381029738676225,"queued_after_submit_us":40.841,"dispatch_wait_us":3.84,"settle_after_end_us":728.374}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]