[Webkit-unassigned] [Bug 220827] Slow layout and high CPU usage when visiting a web page

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=220827

--- Comment #1 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
    +               !       : |         +       !     :   7464 WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag>)  (in WebCore) + 8901  [0x7d1e564a5]
    +               !       : |         +       !     :     7464 WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag>)  (in WebCore) + 8901  [0x7d1e564a5]
    +               !       : |         +       !     :       7262 WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag>)  (in WebCore) + 10360  [0x7d1e56a58]
    +               !       : |         +       !     :       | 5319 WebCore::FEDropShadow::platformApplySoftware()  (in WebCore) + 980  [0x7d1c9bb44]
    +               !       : |         +       !     :       | + 5319 WebCore::ShadowBlur::blurLayerImage(unsigned char*, WebCore::IntSize const&, int)  (in WebCore) + 1185,2626,...  [0x7d00a94d1,0x7d00a9a72,...]
    +               !       : |         +       !     :       | 470 WebCore::FEDropShadow::platformApplySoftware()  (in WebCore) + 1136  [0x7d1c9bbe0]
    +               !       : |         +       !     :       | + 469 WebCore::GraphicsContext::fillRect(WebCore::FloatRect const&, WebCore::Color const&)  (in WebCore) + 526  [0x7d1c3919e]
    +               !       : |         +       !     :       | + ! 469 CGContextFillRect  (in CoreGraphics) + 105  [0x7fff3100a35b]
    +               !       : |         +       !     :       | + !   469 CGContextFillRects  (in CoreGraphics) + 96  [0x7fff3100a3c2]

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