[Webkit-unassigned] [Bug 96274] YouTube’s start page is very slow
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Mon Sep 10 13:59:47 PDT 2012
https://bugs.webkit.org/show_bug.cgi?id=96274
--- Comment #5 from Paul Menzel <paulepanter at users.sourceforge.net> 2012-09-10 14:00:09 PST ---
I can reproduce it again after restarting the system. I am not sure how to debug this. Help is very much appreciated.
# cmdline : /usr/bin/perf_3.2 record /usr/lib/webkitgtk-3.0-0/libexec/GtkLauncher
# event : name = cycles, type = 0, config = 0x0, config1 = 0x0, config2 = 0x0, excl_usr = 0, excl_kern = 0, id = { 79, 80 }
# HEADER_CPU_TOPOLOGY info available, use -I to display
# ========
#
# Events: 6K cycles
#
# Overhead Command Shared Object Symbol
# ........ ........... .................................. ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
#
2.09% GtkLauncher libwebkitgtk-3.0.so.0.13.2 [.] WebCore::RenderBox::computeRectForRepaint(WebCore::RenderBoxModelObject*, WebCore::IntRect&, bool) const
1.97% GtkLauncher libwebkitgtk-3.0.so.0.13.2 [.] WebCore::RenderBox::mapLocalToContainer(WebCore::RenderBoxModelObject*, bool, bool, WebCore::TransformState&, bool*) const
1.53% GtkLauncher libwebkitgtk-3.0.so.0.13.2 [.] WebCore::RenderLayer::hitTestLayer(WebCore::RenderLayer*, WebCore::RenderLayer*, WebCore::HitTestRequest const&, WebCore::HitTestResult&, WebCore::IntRect const&, WebCore::IntPoint const&, bool, WebCore::HitTestingTransformState const*, double*)
1.45% GtkLauncher libwebkitgtk-3.0.so.0.13.2 [.] WebCore::RenderLayer::convertToLayerCoords(WebCore::RenderLayer const*, WebCore::IntPoint&) const
1.35% GtkLauncher libwebkitgtk-3.0.so.0.13.2 [.] __x86.get_pc_thunk.bx
1.33% GtkLauncher libwebkitgtk-3.0.so.0.13.2 [.] WebCore::RenderObject::containingBlock() const
1.26% GtkLauncher [kernel.kallsyms] [k] acpi_pm_read
1.19% GtkLauncher libwebkitgtk-3.0.so.0.13.2 [.] WebCore::RenderBox::offsetFromContainer(WebCore::RenderObject*, WebCore::IntPoint const&) const
1.18% GtkLauncher libc-2.13.so [.] __memcpy_ia32
0.98% gtk-gnash ld-2.13.so [.] do_lookup_x
0.88% GtkLauncher libm-2.13.so [.] __lroundf
0.87% GtkLauncher libwebkitgtk-3.0.so.0.13.2 [.] WebCore::RenderLayer::calculateRects(WebCore::RenderLayer const*, WebCore::RenderRegion*, WebCore::IntRect const&, WebCore::IntRect&, WebCore::ClipRect&, WebCore::ClipRect&, WebCore::ClipRect&, bool, WebCore::OverlayScrollbarSizeRelevancy) const
0.79% GtkLauncher libwebkitgtk-3.0.so.0.13.2 [.] WebCore::RenderBox::topLeftLocationOffset() const
0.78% GtkLauncher libwebkitgtk-3.0.so.0.13.2 [.] WebCore::TransformState::move(int, int, WebCore::TransformState::TransformAccumulation)
0.77% gtk-gnash [kernel.kallsyms] [k] copy_user_highpage.isra.27
0.72% GtkLauncher ld-2.13.so [.] do_lookup_x
0.68% GtkLauncher [kernel.kallsyms] [k] get_page_from_freelist
0.67% GtkLauncher libpthread-2.13.so [.] pthread_mutex_lock
0.64% GtkLauncher libgobject-2.0.so.0.3200.3 [.] g_type_check_instance_is_a
0.62% GtkLauncher libfreetype.so.6.8.1 [.] 0xb11c
0.61% GtkLauncher libpixman-1.so.0.26.0 [.] 0x84a07
0.60% GtkLauncher libfreetype.so.6.8.1 [.] TT_RunIns
0.56% GtkLauncher libjpeg.so.8.4.0 [.] ycc_rgb_convert
0.56% GtkLauncher libc-2.13.so [.] __strcmp_ia32
0.55% GtkLauncher libwebkitgtk-3.0.so.0.13.2 [.] WebCore::RenderObject::container(WebCore::RenderBoxModelObject*, bool*) const
0.52% GtkLauncher libc-2.13.so [.] _int_malloc
[…]
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