[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:36335"}},
{"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":359.959,"dur":68.875,"args":{"object":1075379546569572353}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":428.834,"dur":1042581.036,"args":{"object":1075379546569572353,"queued_after_submit_us":6.208,"dispatch_wait_us":2.125,"settle_after_end_us":54.792}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]