[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:36055"}},
{"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":8055.911,"dur":5895.67,"args":{"object":5857203994279018497}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":13951.581,"dur":1451174.569,"args":{"object":5857203994279018497,"queued_after_submit_us":56.682,"dispatch_wait_us":4.32,"settle_after_end_us":160.963}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]