Public bug reported:
Mouse input latency in Wayland sessions is slightly higher in 23.10 than
22.04 at the moment.
I might be imagining things and it does feel like only one frame higher
latency. But experimenting with MUTTER_DEBUG_TRIPLE_BUFFERING seems to
confirm my suspicion:
BAD: MUTTER_DEBUG_TRIPLE_BUFFERING=auto (the Ubuntu default)
BAD: MUTTER_DEBUG_TRIPLE_BUFFERING=always
GOOD: MUTTER_DEBUG_TRIPLE_BUFFERING=never
ProblemType: Bug
DistroRelease: Ubuntu 23.10
Package: mutter 44.2-1ubuntu1
ProcVersionSignature: Ubuntu 6.2.0-21.21-generic 6.2.6
Uname: Linux 6.2.0-21-generic x86_64
ApportVersion: 2.26.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
Date: Fri Jun 9 14:58:58 2023
InstallationDate: Installed on 2023-05-23 (16 days ago)
InstallationMedia: Ubuntu 23.10 "Mantic Minotaur" - Daily amd64 (20230522)
SourcePackage: mutter
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: mutter (Ubuntu)
Importance: Medium
Assignee: Daniel van Vugt (vanvugt)
Status: In Progress
** Tags: amd64 apport-bug mantic performance triple-buffering
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https://bugs.launchpad.net/bugs/2023363
Title:
Mouse input latency in Wayland sessions is slightly higher in 23.10
than 22.04 at the moment
Status in mutter package in Ubuntu:
In Progress
Bug description:
Mouse input latency in Wayland sessions is slightly higher in 23.10
than 22.04 at the moment.
I might be imagining things and it does feel like only one frame
higher latency. But experimenting with MUTTER_DEBUG_TRIPLE_BUFFERING
seems to confirm my suspicion:
BAD: MUTTER_DEBUG_TRIPLE_BUFFERING=auto (the Ubuntu default)
BAD: MUTTER_DEBUG_TRIPLE_BUFFERING=always
GOOD: MUTTER_DEBUG_TRIPLE_BUFFERING=never
ProblemType: Bug
DistroRelease: Ubuntu 23.10
Package: mutter 44.2-1ubuntu1
ProcVersionSignature: Ubuntu 6.2.0-21.21-generic 6.2.6
Uname: Linux 6.2.0-21-generic x86_64
ApportVersion: 2.26.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
Date: Fri Jun 9 14:58:58 2023
InstallationDate: Installed on 2023-05-23 (16 days ago)
InstallationMedia: Ubuntu 23.10 "Mantic Minotaur" - Daily amd64 (20230522)
SourcePackage: mutter
UpgradeStatus: No upgrade log present (probably fresh install)
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