[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:35851"}},
{"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":279.835,"dur":92.959,"args":{"object":18059299265825472513}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":372.794,"dur":1055427.524,"args":{"object":18059299265825472513,"queued_after_submit_us":22.792,"dispatch_wait_us":7.417,"settle_after_end_us":178.209}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]