[webkit-reviews] review requested: [Bug 69774] REGRESSION: High frequency memory warnings cause Safari to hog the CPU doing useless garbage collection : [Attachment 110778] Patch that cancels event handlers and reinstalls after delay

[bugzilla-daemon at webkit.org]

Michael Saboff <msaboff at apple.com> has asked  for review:
Bug 69774: REGRESSION: High frequency memory warnings cause Safari to hog the
CPU doing useless garbage collection
https://bugs.webkit.org/show_bug.cgi?id=69774

Attachment 110778: Patch that cancels event handlers and reinstalls after delay
https://bugs.webkit.org/attachment.cgi?id=110778&action=review

------- Additional Comments from Michael Saboff <msaboff at apple.com>
This patch implements the approach that Geoff recommends.

Using the same artificial test using "while 1 - notifyutil" and the WebProcess
fluctuates between 2% and 4% CPU with similar pages loaded.