[Bug 1576581] Re: New Firefox release hogging CPU

[Michał Sawicz]

9,45%  DOM Worker       libxul.so                   [.]
_ZL27TypedArray_byteLengthGetterP9JSContextjPN2JS5ValueE

This is the top offender by perf, see the top part of perf report for a
spinning firefox process.

** Attachment added: "Top of perf report"
   https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1576581/+attachment/4651199/+files/perf.txt

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Title:
  New Firefox release hogging CPU

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