SLEEP_INTERVAL=16 PROJECT=next node read-frames.js
next
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 CSS HMR FRAME TIME

 50th percentile: 312ms 
 75th percentile: 337.6ms 
 90th percentile: 387.7ms 
 95th percentile: 446.9ms 
 99th percentile: 591.7ms 
 Rendered frames: 64 / 1024 (6%)