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Submitting a Performance Bug

For more advanced use cases, click for advanced instructions.
Note: Uploading a trace to Google may share personal information such as the titles and URLs of open tabs.

Android:

1. Connect the Android device to a host PC

2. Navigate the host PC to chrome://inspect?tracing

3. Find the instance of Chrome on your device you'd like to trace and click on the "trace" link.



4. Follow the Desktop instructions starting from step 2.

Desktop:

1. In the address bar of a new tab, type chrome://tracing


2. In the upper left, press the Record button.
         https://sites.google.com/a/chromium.org/dev/developers/how-tos/submitting-a-performance-bug/Screenshot%20from%202015-03-10%2014_52_09.png?attredirects=0


3. In the dialog that opens, select Manually select settings

https://sites.google.com/a/chromium.org/dev/developers/how-tos/submitting-a-performance-bug/Screenshot%20from%202015-03-24%2011_16_39.png?attredirects=0


4. Under Record Categories, click All.

5. In the lower right, click Record.

6. Complete whatever action reproduces the performance issue: opening a new tab, navigating to a certain website, scrolling a page, etc. If possible, the duration of your recording should be about 10 seconds or less.

7. Return to the tracing tab and press Stop.

https://sites.google.com/a/chromium.org/dev/developers/how-tos/submitting-a-performance-bug/Screenshot%20from%202015-03-10%2014_54_06.png?attredirects=0


8. When the recording has been imported, click Save at the top of the screen, then choose where to save it on your computer.

https://sites.google.com/a/chromium.org/dev/developers/how-tos/submitting-a-performance-bug/Screenshot%20from%202015-03-10%2014_55_28.png?attredirects=0


9. File a new performance bug. Make sure to add a descriptive title, your Chrome version, your operating system and version, URLs (if applicable), and details about your issue.

10. Click Attach a file and locate the trace file you saved in step 7. There is a 10MB limit, so you may need to compress the file first.

11. In the bottom left, click Submit Issue. Thank you!


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