[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:38501"}},
{"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":133.832,"dur":27.0,"args":{"object":8789995130720354305}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":160.832,"dur":885505.075,"args":{"object":8789995130720354305,"queued_after_submit_us":2.25,"dispatch_wait_us":3.125,"settle_after_end_us":70.416}},
{"name":"process_name","ph":"M","pid":2,"tid":0,"args":{"name":"worker 127.0.0.1:38551"}},
{"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":144.457,"dur":55.875,"args":{"object":8789995130720354306}},
{"name":"history::read_history(::String)","ph":"X","pid":2,"tid":1,"ts":200.332,"dur":2040227.953,"args":{"object":8789995130720354306,"queued_after_submit_us":0.5,"dispatch_wait_us":52.208,"settle_after_end_us":71.833}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]