With Mutter version 46.2-1ubuntu0.24.04.18, fullscreen applications' FPS
is approximately the same as the monitor's refresh rate.
ubuntu@localhost:~$ apt policy mutter-common
mutter-common:
Installed: 46.2-1ubuntu0.24.04.18
Candidate: 46.2-1ubuntu0.24.04.18
Version table:
*** 46.2-1ubuntu0.24.04.18 100
100 http://archive.ubuntu.com/ubuntu noble-proposed/main amd64 Packages
100 http://archive.ubuntu.com/ubuntu noble-proposed/main i386 Packages
100 /var/lib/dpkg/status
46.2-1ubuntu0.24.04.16 500
500 http://archive.ubuntu.com/ubuntu noble-updates/main amd64 Packages
500 http://archive.ubuntu.com/ubuntu noble-updates/main i386 Packages
46.0-1ubuntu9 500
500 http://archive.ubuntu.com/ubuntu noble/main amd64 Packages
500 http://archive.ubuntu.com/ubuntu noble/main i386 Packages
ubuntu@localhost:~$ xrandr -q
Screen 0: minimum 16 x 16, current 1920 x 1080, maximum 32767 x 32767
DP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis)
530mm x 310mm
1920x1080 74.91*+
ubuntu@localhost:~$ glxgears -fullscreen
Running synchronized to the vertical refresh. The framerate should be
approximately the same as the monitor refresh rate.
351 frames in 5.0 seconds = 70.063 FPS
375 frames in 5.0 seconds = 74.939 FPS
370 frames in 5.0 seconds = 73.957 FPS
375 frames in 5.0 seconds = 74.943 FPS
375 frames in 5.0 seconds = 74.948 FPS
375 frames in 5.0 seconds = 74.944 FPS
375 frames in 5.0 seconds = 74.950 FPS
375 frames in 5.0 seconds = 74.943 FPS
375 frames in 5.0 seconds = 74.946 FPS
375 frames in 5.0 seconds = 74.941 FPS
374 frames in 5.0 seconds = 74.735 FPS
375 frames in 5.0 seconds = 74.961 FPS
372 frames in 5.0 seconds = 74.339 FPS
375 frames in 5.0 seconds = 74.934 FPS
375 frames in 5.0 seconds = 74.952 FPS
375 frames in 5.0 seconds = 74.937 FPS
375 frames in 5.0 seconds = 74.958 FPS
375 frames in 5.0 seconds = 74.952 FPS
375 frames in 5.0 seconds = 74.950 FPS
368 frames in 5.0 seconds = 73.553 FPS
375 frames in 5.0 seconds = 74.954 FPS
** Tags removed: verification-needed-noble
** Tags added: verification-done-noble
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https://bugs.launchpad.net/bugs/2167418
Title:
[SRU] mutter: fullscreen applications run below the display refresh
rate
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