This bug was fixed in the package mutter - 44.1-1ubuntu1
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mutter (44.1-1ubuntu1) mantic; urgency=medium
* Merge with Debian (LP: #2020225, LP: #2012100, LP: #2012717,
LP: #2013216, LP: #2019225, LP: #2006044, LP: #2015861, LP: #1999578,
LP: #2011251, LP: #2016308)
*
Fixed in https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2823
** Changed in: gnome-shell (Ubuntu)
Status: Opinion => Fix Committed
** Tags added: fixed-in-mutter-44.1 fixed-upstream
** Package changed: gnome-shell (Ubuntu) => mutter (Ubuntu)
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** Changed in: gnome-shell
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1999578
Title:
Bursts of high CPU usage after triggering overview
Actually really bursty CPU usage by gnome-shell might be garbage
collection, which will be improved in
https://gitlab.gnome.org/GNOME/glib/-/merge_requests/2377
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Indeed per the upstream discussion there *might* be things that can be
improved in mutter to reduce this problem. But at the same time it is
somewhat expected behaviour. Only unexpected above some unknowable
threshold of CPU usage that is system-dependent.
So this bug is not invalid, but also not
Hi Daniel, thanks very much for having a look. What do you think then
about Jonas Adahl's observations from the syscap files, that "The frame
clocks together dispatches at 1000 Hz at times."? Is this expected to be
triggered by firefox as well, despite the window not being in focus?
Furthermore
** Changed in: gnome-shell
Status: Unknown => New
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https://bugs.launchpad.net/bugs/1999578
Title:
Bursts of high CPU usage after triggering overview
To
Thanks for the bug report. In your video I can see two causes that are
not really bugs:
* Firefox using CPU at the same time as gnome-shell means it is Firefox
causing the persistent CPU usage in gnome-shell. Make sure Firefox isn't
displaying animations like web ads. Even if that doesn't look
** Bug watch added: gitlab.gnome.org/GNOME/gnome-shell/-/issues #6137
https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/6137
** Also affects: gnome-shell via
https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/6137
Importance: Unknown
Status: Unknown
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