[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:41593"}},
{"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":402.336,"dur":106.959,"args":{"object":11462675900890349569}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":509.295,"dur":573124.206,"args":{"object":11462675900890349569,"queued_after_submit_us":12.625,"dispatch_wait_us":8.875,"settle_after_end_us":169.417}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]