[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:39601"}},
{"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":260.584,"dur":213.917,"args":{"object":13901052942204534785}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":1,"tid":1,"ts":474.501,"dur":1386906.988,"args":{"object":13901052942204534785,"queued_after_submit_us":28.333,"dispatch_wait_us":11.5,"settle_after_end_us":135.709}},
{"name":"process_name","ph":"M","pid":2,"tid":0,"args":{"name":"worker 127.0.0.1:36621"}},
{"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":301.917,"dur":91.251,"args":{"object":13901052942204534786}},
{"name":"headversion::read_head_version(::String)","ph":"X","pid":2,"tid":1,"ts":393.168,"dur":1646576.771,"args":{"object":13901052942204534786,"queued_after_submit_us":2.084,"dispatch_wait_us":65.958,"settle_after_end_us":128.417}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]