How to find and diagnose poorly-performing Firefox addins?

Posted by Scott Bilas on Super User See other posts from Super User or by Scott Bilas
Published on 2010-04-04T23:46:46Z Indexed on 2010/04/04 23:53 UTC
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firefox

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firefox-addons

I use a lot of addins in my Firefox. One of them is causing periodic freezes when watching video. Super annoying.

Aside from doing a binary search of disabling addins to narrow down the problem (which would take a very long time due to frequency of the freezes), are there any other options?

If the problem came from the native app, then I'd just load up a profiler and see where the time is going. But it's all in Javascript.

Are there any tools that exist to help figure this out? Maybe some instrumentation I can throw on a few key source files in a local build to help diagnose the problem?

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