Page Info Dialog Uses Significant CPU While Open
Categories
(Firefox :: Page Info Window, defect)
Tracking
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People
(Reporter: jmorton, Unassigned)
Details
User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:72.0) Gecko/20100101 Firefox/72.0
Steps to reproduce:
Open a fresh Firefox process. Navigate to any website, such as https://google.com. Open the Page Info dialog (Tools -> Page Info).
Actual results:
The CPU usage of Firefox was significantly higher the entire period the Page Info dialog is open. Notice that closing the Page Info dialog causes CPU usage to return to a more normal level.
Expected results:
Because it can be easy to inadvertently leave this dialogue open in the background, it can eat away at laptop battery charge even when Firefox is otherwise idle. Ideally, this dialog would either float-on-top, to make it obvious that it remains open, or else not use a significant amount of CPU on a continuous basis.
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Updated•4 years ago
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Comment 1•4 years ago
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The priority flag is not set for this bug.
:florian, could you have a look please?
For more information, please visit auto_nag documentation.
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Comment 2•4 years ago
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I tried to reproduce this, but couldn't. Which higher level of CPU use did you see with Page Info open, and what's the normal level for you?
If you can reproduce consistently, is there any chance you could use the Firefox Profiler (https://profiler.firefox.com/) to capture and share a profile of it while it's using too much CPU? Thanks!
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Comment 3•2 years ago
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A needinfo is requested from the reporter, however, the reporter is inactive on Bugzilla. Closing the bug as incomplete.
For more information, please visit auto_nag documentation.
Description
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