firefox-devtools / firefox-devtools/profiler
Parse JSON off of the main thread if possible
Open
perf
profile data
quantum flow
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Description
I honestly don't know if this can be done (outside of somehow abusing window.fetch), but in [this profile](https://perfht.ml/2tyD9jj), we burn quite a bit of main thread time parsing the JSON of a profile.
We should avoid doing this work on the main thread if we can.
┆Issue is synchronized with this [Jira Task](https://mozilla-hub.atlassian.net/browse/FP-580)
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