[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:35827"}},
{"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":253.043,"dur":78.0,"args":{"object":11948713916437102593}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":331.043,"dur":769239.493,"args":{"object":11948713916437102593,"queued_after_submit_us":59.834,"dispatch_wait_us":7.583,"settle_after_end_us":186.458}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]