[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:36229"}},
{"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":260.876,"dur":42.751,"args":{"object":14530422194036539394}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":303.627,"dur":1077756.744,"args":{"object":14530422194036539394,"queued_after_submit_us":0.875,"dispatch_wait_us":33.0,"settle_after_end_us":101.126}},
{"name":"process_name","ph":"M","pid":2,"tid":0,"args":{"name":"worker 127.0.0.1:38615"}},
{"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":198.834,"dur":62.876,"args":{"object":14530422194036539393}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":2,"tid":1,"ts":261.71,"dur":1528117.29,"args":{"object":14530422194036539393,"queued_after_submit_us":31.375,"dispatch_wait_us":5.292,"settle_after_end_us":155.501}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]