Instructions
-
Run V8 with
--prof --log-timer-events,
or alternatively,
Chrome with --no-sandbox --js-flags="--prof --noprof-lazy --log-timer-events to produce v8.log. - Open v8.log on this page. Don't worry, it won't be uploaded anywhere.
- Click "Start" to start number crunching. This will take a while.
-
Click "Show plot/profile" to switch between the statistical profile and
the timeline plot.
C++ items are missing in the statistical profile because symbol information is not available.
Consider using the command-line utility instead.