SLEEP_INTERVAL=8 PROJECT=next node read-frames.js
next
 --------------------------------------------------
 CSS HMR FRAME TIME

 50th percentile: 320.4ms 
 75th percentile: 368.8ms 
 90th percentile: 527.2ms 
 95th percentile: 532.4ms 
 99th percentile: 532.4ms 
 Rendered frames: 32 / 1024 (3%)