[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:44031"}},
{"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":85.292,"dur":30.208,"args":{"object":1506145112588025857}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":115.5,"dur":596766.745,"args":{"object":1506145112588025857,"queued_after_submit_us":2.291,"dispatch_wait_us":2.5,"settle_after_end_us":52.209}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]
