[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:41519"}},
{"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":405.086,"dur":85.625,"args":{"object":9568342710557868034}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":490.711,"dur":514087.287,"args":{"object":9568342710557868034,"queued_after_submit_us":2.458,"dispatch_wait_us":149.209,"settle_after_end_us":202.335}},
{"name":"process_name","ph":"M","pid":2,"tid":0,"args":{"name":"worker 127.0.0.1:46359"}},
{"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":361.169,"dur":110.834,"args":{"object":9568342710557868033}},
{"name":"history::read_history(::String)","ph":"X","pid":2,"tid":1,"ts":472.003,"dur":5488623.362,"args":{"object":9568342710557868033,"queued_after_submit_us":9.292,"dispatch_wait_us":11.375,"settle_after_end_us":100.583}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]