[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:33639"}},
{"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":6966.89,"dur":330.887,"args":{"object":6596360581656084482}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":7297.777,"dur":3242999.31,"args":{"object":6596360581656084482,"queued_after_submit_us":0.52,"dispatch_wait_us":34.841,"settle_after_end_us":810.255}},
{"name":"inputs","ph":"X","pid":1,"tid":2,"ts":6958.97,"dur":63.602,"args":{"object":6596360581656084481}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":7022.572,"dur":3635427.91,"args":{"object":6596360581656084481,"queued_after_submit_us":25.36,"dispatch_wait_us":6.44,"settle_after_end_us":155.323}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]