NEW 290155
[GTK] Constant CPU usage while idle on the front page of tiki.org 
https://bugs.webkit.org/show_bug.cgi?id=290155
Summary [GTK] Constant CPU usage while idle on the front page of tiki.org
Jeff Fortin
Reported 2025-03-20 21:26:46 PDT
Created attachment 474660 [details] Sysprof - flamegraph of everything except the kernel Happens with Epiphany TP, Epiphany Canary, and MiniBrowser from WebKitGTK 2.46.6 from Fedora 41, on the Wayland GNOME session with Intel Kabylake graphics. To reproduce: visit https://tiki.org, wait for it to fully load (and animations to stop), then watch the CPU usage. Archive link, in case that page changes: https://web.archive.org/web/20250318104008/https://tiki.org/HomePage Attached are screenshots from Sysprof when running: /usr/libexec/webkitgtk-6.0/MiniBrowser --private https://web.archive.org/web/20250318104008/https://tiki.org/HomePage
Attachments
Sysprof - flamegraph of everything except the kernel (258.69 KB, image/png)
2025-03-20 21:26 PDT, Jeff Fortin 		no flags
Details
Sysprof - zooming into the flamegraph's left branch (MiniBrowser) (248.98 KB, image/png)
2025-03-20 21:28 PDT, Jeff Fortin 		no flags
Details
Sysprof - zooming into the flamegraph's right branch (WebKitGTK) (296.07 KB, image/png)
2025-03-20 21:28 PDT, Jeff Fortin 		no flags
Details
Epiphany's web inspector timeline (104.03 KB, image/png)
2025-03-20 21:29 PDT, Jeff Fortin 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Jeff Fortin
Comment 1 2025-03-20 21:28:37 PDT
Created attachment 474661 [details] Sysprof - zooming into the flamegraph's left branch (MiniBrowser)
Jeff Fortin
Comment 2 2025-03-20 21:28:59 PDT
Created attachment 474662 [details] Sysprof - zooming into the flamegraph's right branch (WebKitGTK)
Jeff Fortin
Comment 3 2025-03-20 21:29:34 PDT
Created attachment 474663 [details] Epiphany's web inspector timeline
Jeff Fortin
Comment 4 2025-03-28 14:18:47 PDT
This also happens on other computers, such as a desktop computer with onboard AMDgpu graphics, such as the AMD RS780C chipset ("Radeon 3100"), not just Intel graphics.
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