[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:35843"}},
{"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":167.375,"dur":89.626,"args":{"object":11775725553015848963}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":257.001,"dur":1365255.84,"args":{"object":11775725553015848963,"queued_after_submit_us":0.458,"dispatch_wait_us":51.417,"settle_after_end_us":163.75}},
{"name":"process_name","ph":"M","pid":2,"tid":0,"args":{"name":"worker 127.0.0.1:40901"}},
{"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":157.125,"dur":54.292,"args":{"object":11775725553015848962}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":2,"tid":1,"ts":211.417,"dur":1423596.439,"args":{"object":11775725553015848962,"queued_after_submit_us":0.791,"dispatch_wait_us":35.917,"settle_after_end_us":145.542}},
{"name":"process_name","ph":"M","pid":3,"tid":0,"args":{"name":"worker 127.0.0.1:38239"}},
{"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":133.875,"dur":64.542,"args":{"object":11775725553015848961}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":3,"tid":1,"ts":198.417,"dur":1423651.731,"args":{"object":11775725553015848961,"queued_after_submit_us":12.333,"dispatch_wait_us":7.167,"settle_after_end_us":141.834}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]