721570 - Bad scrolling performance on techcrunch.com

Status: RESOLVED WORKSFORME

(Core :: Layout, defect)

Description

[Benjamin Stover (:stechz)]

about:jank results for loading and scrolling TechCrunch:

about:jank results (6873 samples)

894 - c-Events::ProcessGeckoEvents
871 - c-CSS::ProcessRestyles
863 - c-nsEventListenerManager::HandleEventInternal
798 - c-JS::EvaluateString
538 - c-JS::CallEventHandler
363 - c-layout::FlushPendingNotifications
292 - c-GC::GarbageCollectNow
273 - c-PluginModuleParent::NPP_NewStream
263 - c-gfx::DrawThebesLayer
250 - c-nsPluginStreamListenerPeer::OnStartRequest
191 - c-LayerManagerOGL::Render
185 - c-html5::RunFlushLoop
154 - c-nsHttpChannel::OnStartRequest
137 - c-event::nsViewManager::DispatchEvent
136 - c-layout::DoReflow
99 - c-plugin::DoStopPlugin
86 - c-nsObjectLoadingContent::OnStartRequest
85 - c-GLContext::SwapBuffers
80 - c-Timer::Fire
67 - c-Paint::PresShell::Paint
65 - c-network::nsHttpChannel::OnDataAvailable
62 - c-network::nsHttpChannel::OnStopRequest
62 - c-GC::CycleCollectNow
32 - c-image::imgFrame::Draw
12 - c-network::nsStreamLoader::OnStopRequest
4 - c-nsObjectFrame::InstantiatePlugin
4 - c-Input::DispatchMouseEvent
4 - c-nsInputStreamPump::OnStateStart
2 - c-layout::nsLayoutUtils::DrawBackgroundImage
1 - c-Input::nsInputStreamPump::OnStateTransfer

Filed under Gecko Profiler though this really is about:jank. Is there a better place?

Comment 1

[(dormant account)]

That's terrible, thanks

Comment 2

[(no longer active)]

Please do not file these performance bugs under Core::Gecko Profiler.

Comment 3

[Gregory Pappas [:gregp]]

Seems good now.