Public bug reported:
high cpu usage just moving the mouse
removed appindicator extension .. the cpu load is very high.
running strace -c -p while moving mouse
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
36.74 0.103852 103 1000 8 futex
31.30 0.088469 8 10366 8750 recvmsg
15.53 0.043901 11 3925 poll
10.10 0.028550 10 2776 write
4.33 0.012232 7 1537 writev
1.60 0.004533 4 932 read
0.39 0.001092 3 337 getpid
0.00 0.000001 0 2 getrusage
0.00 0.000001 1 1 restart_syscall
0.00 0.000000 0 4 mprotect
------ ----------- ----------- --------- --------- ----------------
100.00 0.282631 20880 8758 total
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: gnome-shell 3.38.1-1ubuntu1
ProcVersionSignature: Ubuntu 5.8.0-26.27-generic 5.8.14
Uname: Linux 5.8.0-26-generic x86_64
ApportVersion: 2.20.11-0ubuntu50
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: GNOME-Classic:GNOME
Date: Wed Nov 4 10:49:20 2020
DisplayManager: gdm3
RelatedPackageVersions: mutter-common 3.38.1-1ubuntu1
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug groovy
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https://bugs.launchpad.net/bugs/1902825
Title:
High CPU usage just moving the mouse
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