Public bug reported:
unity-scope-loader is adding the SAME inotify watches regularly every 4
seconds:
Inotify watches added:
PID Process Rate/Sec File
3495 unity-scope-loader 0.250
/usr/share/upstart/xdg/menus/unity-lens-applications-merged
3495 unity-scope-loader 0.250
/etc/xdg/menus/unity-lens-applications-merged
3495 unity-scope-loader 0.250 /usr/share/upstart/xdg/menus
3495 unity-scope-loader 0.250 /usr/local/share/applications
3495 unity-scope-loader 0.250 /usr/share/ubuntu/applications
3495 unity-scope-loader 0.250
/home/king/.config/menus/unity-lens-applications-merged
3495 unity-scope-loader 0.250 /etc/xdg/xdg-ubuntu/menus
3495 unity-scope-loader 0.250
/etc/xdg/xdg-ubuntu/menus/unity-lens-applications-merged
I'm seeing every 4 seconds the *same* files being added to an inotify
watch. Additionally, the code is polling every 4 seconds to do this:
Top polling system calls:
PID Process Syscall Rate/Sec Infinite Zero
Minimum Maximum Average
Timeouts Timeouts
Timeout Timeout Timeout
3476 unity-scope-loader poll 0.0167 2 3
0.0 sec 0.0 sec 0.0 sec
3495 unity-scope-loader poll 0.2500 0 0
4.0 sec 4.0 sec 4.0 sec
Total 0.2667 2 3
the timeout is set to just 4 seconds. Is this heavy polling and
repeated inotify watch adding really required? We're trying to get the
battery life to last longer and this kind of polling activity just is
rather anti-social if it is not necessary.
Attached are the results of a 5 minute analysis from the health-check
too.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: libunity9 7.1.4+14.04.20140210-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-21.43-generic 3.13.8
Uname: Linux 3.13.0-21-generic x86_64
ApportVersion: 2.14-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Apr 3 15:14:14 2014
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-03-25 (9 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140323)
SourcePackage: libunity
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: libunity (Ubuntu)
Importance: High
Status: New
** Tags: amd64 apport-bug trusty
** Attachment added: "health-check-of-unity-scope-loader.txt"
https://bugs.launchpad.net/bugs/1301984/+attachment/4063306/+files/health-check-of-unity-scope-loader.txt
** Changed in: libunity (Ubuntu)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1301984
Title:
unity-scope-loader is adding the SAME inotify watches regularly every
4 seconds
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