Confirmed users
1,983
edits
m (cleanup) |
m (clarify steps / formatting) |
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# Close the about:config tab, restart the browser. | # Close the about:config tab, restart the browser. | ||
# Launch Firefox again using the same profile. | # Launch Firefox again using the same profile. | ||
# In the browser, open a tab and view about:logging. | # In the browser, open a tab and view <b>about:logging</b>. | ||
# Enter <b>timestamp,sync,GMP:5,EME:5</b> to the 'new log modules' text and click on 'Set Log Modules'. | # Enter <b>timestamp,sync,GMP:5,EME:5</b> to the 'new log modules' text and click on 'Set Log Modules'. | ||
# Under Output choose 'Logging to the Firefox Profiler' and check the 'Enable stack traces for log messages' checkbox. | # Under Output choose 'Logging to the Firefox Profiler' and check the 'Enable stack traces for log messages' checkbox. | ||
# | # Click the 'Start Logging' button. (You are now recording a profile, the profiler toolbar toggle button should be selected automatically.) | ||
# Open a new tab for testing and view the media you are having an issue with. (After reproducing, DO NOT close this test tab yet.) | # Open a new tab for testing and view the media you are having an issue with. (After reproducing, <b>DO NOT</b> close this test tab yet.) | ||
# Switch to the about:logging tab, click 'Stop logging', then close the test tab. | # Switch to the about:logging tab, click 'Stop logging', and then close the test tab. | ||
# Wait approximately 10 - 20 seconds for a new tab to automatically open containing the generated performance profile | # Wait approximately 10 - 20 seconds for a new tab to automatically open containing the generated performance profile. | ||
# Within the profiler tab click the 'upload local profile' button | # Within the upper-right side of the profiler tab click the 'upload local profile' button to initiate profile upload. Once the upload is complete, a drop down menu will open displaying the URL of the profile. Select this text and copy it. | ||
# Share the URL of the profile for analysis with the engineer you are working with. | # Share the URL of the profile for analysis with the engineer you are working with. | ||