[Webkit-unassigned] [Bug 134447] New: deviceorientation event - high cpu load

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=134447

           Summary: deviceorientation event - high cpu load
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: iOS
        OS/Version: iOS 7.0
            Status: NEW
          Severity: Blocker
          Priority: P2
         Component: Event Handling
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: oleg008 at gmail.com


Pure listening to this event with noop handler leads to ~10% cpu load on iphone 5 ios 7. More than that xcode says "Other Processes" consume 50-70% cpu at the same time.

Both levels go down when event listener is removed.

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