To get FPS in the system journal set environment: CLUTTER_SHOW_FPS=1
which will give you accurate FPS but not accurate render times because OpenGL is asynchronous. To get accurate render times too you will need to slow it down a little by adding: COGL_DEBUG=sync-frame -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/2017097 Title: [raspi] GNOME Shell runs at 30 FPS unless the CPU is being stressed Status in linux-raspi package in Ubuntu: New Status in mutter package in Ubuntu: New Bug description: On a Raspberry Pi 400, GNOME Shell runs at 30 FPS unless the CPU is being stressed in which case it becomes a smooth 60 FPS. Seems like a frequency scaling issue. ProblemType: Bug DistroRelease: Ubuntu 23.04 Package: mutter (not installed) ProcVersionSignature: Ubuntu 6.2.0-1004.5-raspi 6.2.6 Uname: Linux 6.2.0-1004-raspi aarch64 ApportVersion: 2.26.1-0ubuntu2 Architecture: arm64 CasperMD5CheckResult: unknown Date: Thu Apr 20 15:13:51 2023 ImageMediaBuild: 20230417 SourcePackage: mutter UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/2017097/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp