[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:38133"}},
{"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":379.293,"dur":121.751,"args":{"object":18344755574140305412}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":501.044,"dur":507552.04,"args":{"object":18344755574140305412,"queued_after_submit_us":0.333,"dispatch_wait_us":154.959,"settle_after_end_us":96.625}},
{"name":"process_name","ph":"M","pid":2,"tid":0,"args":{"name":"worker 127.0.0.1:41799"}},
{"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":309.876,"dur":147.501,"args":{"object":18344755574140305410}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":2,"tid":1,"ts":457.377,"dur":775893.464,"args":{"object":18344755574140305410,"queued_after_submit_us":2.458,"dispatch_wait_us":84.167,"settle_after_end_us":74.25}},
{"name":"process_name","ph":"M","pid":3,"tid":0,"args":{"name":"worker 127.0.0.1:33311"}},
{"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":335.626,"dur":81.584,"args":{"object":18344755574140305411}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":3,"tid":1,"ts":417.21,"dur":795778.519,"args":{"object":18344755574140305411,"queued_after_submit_us":0.875,"dispatch_wait_us":119.709,"settle_after_end_us":42.625}},
{"name":"process_name","ph":"M","pid":4,"tid":0,"args":{"name":"worker 127.0.0.1:34673"}},
{"name":"thread_name","ph":"M","pid":4,"tid":1,"args":{"name":"running"}},
{"name":"thread_name","ph":"M","pid":4,"tid":2,"args":{"name":"waiting for inputs"}},
{"name":"inputs","ph":"X","pid":4,"tid":2,"ts":271.001,"dur":109.167,"args":{"object":18344755574140305409}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":4,"tid":1,"ts":380.168,"dur":1992883.02,"args":{"object":18344755574140305409,"queued_after_submit_us":24.417,"dispatch_wait_us":20.0,"settle_after_end_us":150.376}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]