[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:42471"}},
{"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":316.627,"dur":117.667,"args":{"object":18100033972611317761}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":434.294,"dur":756212.713,"args":{"object":18100033972611317761,"queued_after_submit_us":10.041,"dispatch_wait_us":8.375,"settle_after_end_us":88.459}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]
