[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:41187"}},
{"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":3145.94,"dur":229.484,"args":{"object":7240918487114186753}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":3375.424,"dur":1420924.711,"args":{"object":7240918487114186753,"queued_after_submit_us":31.481,"dispatch_wait_us":5.0,"settle_after_end_us":168.764}},
{"name":"inputs","ph":"X","pid":1,"tid":2,"ts":3151.66,"dur":47.401,"args":{"object":7240918487114186754}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":3199.061,"dur":1546197.99,"args":{"object":7240918487114186754,"queued_after_submit_us":0.72,"dispatch_wait_us":4.96,"settle_after_end_us":134.282}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]