[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:44023"}},
{"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":324.876,"dur":102.043,"args":{"object":13447229517839990785}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":426.919,"dur":458312.414,"args":{"object":13447229517839990785,"queued_after_submit_us":8.458,"dispatch_wait_us":9.5,"settle_after_end_us":174.835}},
{"name":"process_name","ph":"M","pid":2,"tid":0,"args":{"name":"worker 127.0.0.1:38841"}},
{"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":368.46,"dur":90.084,"args":{"object":13447229517839990786}},
{"name":"history::read_history(::String)","ph":"X","pid":2,"tid":1,"ts":458.544,"dur":746204.358,"args":{"object":13447229517839990786,"queued_after_submit_us":2.084,"dispatch_wait_us":139.542,"settle_after_end_us":148.834}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]