Skip to content

Importing from Chrome

Jamie Wong edited this page Aug 20, 2018 · 2 revisions

To record a performance profile in Chrome, open the developer tools and switch to the performance tab.

Click the record button.

Click record button in Chrome

When you're done recording, click the "Stop" button.

Click stop button in Chrome

When it's finished processing, click the "Save profile" button.

Click the Save profile button

This should save as a filename like Profile-20180820T095940.json.

You should be able to open that file in

To view it offline, you'll need to install speedscope via npm:

npm install -g speedscope

Then you should be able to open it like so:

speedscope /path/to/profile.json
You can’t perform that action at this time.