[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:46395"}},
{"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":638.587,"dur":123.25,"args":{"object":10451404479289884673}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":761.837,"dur":1367682.703,"args":{"object":10451404479289884673,"queued_after_submit_us":20.583,"dispatch_wait_us":9.417,"settle_after_end_us":170.793}},
{"name":"process_name","ph":"M","pid":2,"tid":0,"args":{"name":"worker 127.0.0.1:43769"}},
{"name":"thread_name","ph":"M","pid":2,"tid":1,"args":{"name":"running"}},
{"name":"thread_name","ph":"M","pid":2,"tid":2,"args":{"name":"waiting for inputs"}},
{"name":"inputs","ph":"X","pid":2,"tid":2,"ts":638.67,"dur":169.209,"args":{"object":10451404479289884674}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":2,"tid":1,"ts":807.879,"dur":2556663.698,"args":{"object":10451404479289884674,"queued_after_submit_us":1.916,"dispatch_wait_us":52.459,"settle_after_end_us":160.917}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]