[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:40549"}},
{"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":75.959,"dur":43.833,"args":{"object":11045727897498157059}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":119.792,"dur":420819.153,"args":{"object":11045727897498157059,"queued_after_submit_us":0.167,"dispatch_wait_us":21.583,"settle_after_end_us":189.002}},
{"name":"process_name","ph":"M","pid":2,"tid":0,"args":{"name":"worker 127.0.0.1:33095"}},
{"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":70.959,"dur":22.625,"args":{"object":11045727897498157058}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":2,"tid":1,"ts":93.584,"dur":731568.175,"args":{"object":11045727897498157058,"queued_after_submit_us":0.416,"dispatch_wait_us":14.667,"settle_after_end_us":140.168}},
{"name":"process_name","ph":"M","pid":3,"tid":0,"args":{"name":"worker 127.0.0.1:32905"}},
{"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":65.959,"dur":84.375,"args":{"object":11045727897498157057}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":3,"tid":1,"ts":150.334,"dur":802739.906,"args":{"object":11045727897498157057,"queued_after_submit_us":6.791,"dispatch_wait_us":2.917,"settle_after_end_us":66.334}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]