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Firefox Profiler — Web app for Firefox performance analysis

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Solves https://github.com/firefox-devtools/profiler/issues/5290

I had profiled https://battle.modez.pro/ , and was looking at the profile. Suddenly got this error: Uh oh, some unknown error happened in profiler.firefox.com. Error: Expected an item to exist, and...

bug
timeline
help wanted
profile data

Currently marker fields have a `searchable` field to indicate if we can search them or not. On top of normal searching like `search-text`, we can also search the marker fields...

markers

It would be helpful if the Chrome importer mapped network requests to network tracks in the Firefox profiler. For example, when loading the following Chrome Performance trace in the Chrome...

feature
markers

For the options like "Deallocated memory" + "Deallocation sites", it's not easy to find out what they mean. We have a tooltip though! It's on the ``. But you only...

call tree
help wanted

WIP implementing the approach outlined in https://github.com/firefox-devtools/profiler/issues/15#issuecomment-2502015901

I just had a case where I wanted to share a profile with the screenshots of one window that had a bad behavior, but didn't want to share screenshots of...

polish
timeline
privacy

When enabling a High Contrast Theme on Windows and setting forced colors in Firefox, the profiler looks a bit odd: ![image](https://github.com/user-attachments/assets/62eb0423-9852-41f0-8e1f-c7e6ae56a38b) ┆Issue is synchronized with this [Jira Task](https://mozilla-hub.atlassian.net/browse/FP-825) --- -...

accessibility

Lost my profile while uploading, see error message. Local build of m-c pull, no changes that should affect the profiler. Compressed size was 26MB [profiler.txt](https://github.com/user-attachments/files/18186297/profiler.txt) ┆Issue is synchronized with this...

There is nothing to do in this issue, I'm just filing this so that it's recorded somewhere. I've been thinking about call tree transforms and noticed some patterns. For each...