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

 50th percentile: 22.2ms 
 75th percentile: 23.9ms 
 90th percentile: 25.3ms 
 95th percentile: 43.6ms 
 99th percentile: 49.1ms 
 Rendered frames: 922 / 1024 (90%)