breadcrumbs: How-Tos > chromium_link: Chromium chromium_os_link: Chromium OS home_link: Home page_name: submitting-a-performance-bug title: Submitting a Performance Bug title_hdr: |

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.

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  1. 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.

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

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  1. Under Record Categories, click All.

  2. In the lower right, click Record.

  3. 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.

  4. Return to the tracing tab and press Stop.

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

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  1. 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.

  2. 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.

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