[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:43613"}},
{"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":303.752,"dur":113.876,"args":{"object":16391046556884664323}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":417.628,"dur":1100080.988,"args":{"object":16391046556884664323,"queued_after_submit_us":0.625,"dispatch_wait_us":95.459,"settle_after_end_us":187.126}},
{"name":"process_name","ph":"M","pid":2,"tid":0,"args":{"name":"worker 127.0.0.1:38945"}},
{"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":236.627,"dur":97.501,"args":{"object":16391046556884664321}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":2,"tid":1,"ts":334.128,"dur":1398785.397,"args":{"object":16391046556884664321,"queued_after_submit_us":29.0,"dispatch_wait_us":12.292,"settle_after_end_us":240.544}},
{"name":"process_name","ph":"M","pid":3,"tid":0,"args":{"name":"worker 127.0.0.1:40151"}},
{"name":"thread_name","ph":"M","pid":3,"tid":1,"args":{"name":"running"}},
{"name":"thread_name","ph":"M","pid":3,"tid":2,"args":{"name":"waiting for inputs"}},
{"name":"inputs","ph":"X","pid":3,"tid":2,"ts":265.502,"dur":72.001,"args":{"object":16391046556884664322}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":3,"tid":1,"ts":337.503,"dur":1448859.516,"args":{"object":16391046556884664322,"queued_after_submit_us":2.083,"dispatch_wait_us":65.001,"settle_after_end_us":140.71}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]