Activity log for bug #813409

Date Who What changed Old value New value Message
2011-07-20 09:41:20 Daniel van Vugt bug added bug
2011-07-20 10:05:53 Daniel van Vugt description unity-panel-service is using a constant 1% of one of my cores on an Intel i7-2600 according to top, while the desktop is totally idle. When I switch to another VT, it makes no difference and unity-panel-service just keeps using the CPU. This obviously should not happen and will impact on battery life on notebooks. ProblemType: Bug DistroRelease: Ubuntu 11.04 Package: unity 3.8.16-0ubuntu1~natty1 ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7 Uname: Linux 2.6.38-10-generic x86_64 NonfreeKernelModules: fglrx Architecture: amd64 CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,vpswitch,place,imgpng,regex,unitymtgrabhandles,grid,session,snap,mousepoll,resize,move,animation,expo,ezoom,workarounds,resizeinfo,wall,staticswitcher,fade,scale,unityshell] Date: Wed Jul 20 17:34:24 2011 InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1) ProcEnviron: LANGUAGE=en_AU:en LANG=en_AU.UTF-8 SHELL=/bin/bash SourcePackage: unity UpgradeStatus: No upgrade log present (probably fresh install) unity-panel-service is using a constant 1% of one of my cores on an Intel i7-2600 according to top, while the desktop is totally idle. When I switch to another VT, it makes no difference and unity-panel-service just keeps using the CPU. This obviously should not happen and will impact on battery life of notebooks. Also, using the CPU constantly negates the power-saving benefits of a tickless Linux kernel (http://www.lesswatts.org/projects/tickless/). ProblemType: Bug DistroRelease: Ubuntu 11.04 Package: unity 3.8.16-0ubuntu1~natty1 ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7 Uname: Linux 2.6.38-10-generic x86_64 NonfreeKernelModules: fglrx Architecture: amd64 CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,vpswitch,place,imgpng,regex,unitymtgrabhandles,grid,session,snap,mousepoll,resize,move,animation,expo,ezoom,workarounds,resizeinfo,wall,staticswitcher,fade,scale,unityshell] Date: Wed Jul 20 17:34:24 2011 InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1) ProcEnviron:  LANGUAGE=en_AU:en  LANG=en_AU.UTF-8  SHELL=/bin/bash SourcePackage: unity UpgradeStatus: No upgrade log present (probably fresh install)
2011-07-21 08:23:38 Daniel van Vugt summary unity-panel-service uses CPU constantly unity-panel-service uses CPU constantly when indicator-datetime is displaying seconds.
2011-07-21 08:31:31 Daniel van Vugt description unity-panel-service is using a constant 1% of one of my cores on an Intel i7-2600 according to top, while the desktop is totally idle. When I switch to another VT, it makes no difference and unity-panel-service just keeps using the CPU. This obviously should not happen and will impact on battery life of notebooks. Also, using the CPU constantly negates the power-saving benefits of a tickless Linux kernel (http://www.lesswatts.org/projects/tickless/). ProblemType: Bug DistroRelease: Ubuntu 11.04 Package: unity 3.8.16-0ubuntu1~natty1 ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7 Uname: Linux 2.6.38-10-generic x86_64 NonfreeKernelModules: fglrx Architecture: amd64 CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,vpswitch,place,imgpng,regex,unitymtgrabhandles,grid,session,snap,mousepoll,resize,move,animation,expo,ezoom,workarounds,resizeinfo,wall,staticswitcher,fade,scale,unityshell] Date: Wed Jul 20 17:34:24 2011 InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1) ProcEnviron:  LANGUAGE=en_AU:en  LANG=en_AU.UTF-8  SHELL=/bin/bash SourcePackage: unity UpgradeStatus: No upgrade log present (probably fresh install) unity-panel-service is using a constant 1% of one of my cores on an Intel i7-2600 according to top, while the desktop is totally idle. When I switch to another VT, it makes no difference and unity-panel-service just keeps using the CPU. This obviously should not happen and will impact on battery life of notebooks. Also, using the CPU constantly negates the power-saving benefits of a tickless Linux kernel (http://www.lesswatts.org/projects/tickless/). Update: Found the cause to be that my indicator-datetime is set to display seconds, not just hours and minutes. This seems to cause unity/compiz to send the SyncOne and SyncGeometries dbus messages to unity-panel-service every second. And profiling unity-panel-service with callgrind shows it is spending all it's time in g_variant_ fuctions, invoked by the dbus activity. So this needs to be optimized. It's quite wrong that something happening only once per second should use so much CPU. ProblemType: Bug DistroRelease: Ubuntu 11.04 Package: unity 3.8.16-0ubuntu1~natty1 ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7 Uname: Linux 2.6.38-10-generic x86_64 NonfreeKernelModules: fglrx Architecture: amd64 CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,vpswitch,place,imgpng,regex,unitymtgrabhandles,grid,session,snap,mousepoll,resize,move,animation,expo,ezoom,workarounds,resizeinfo,wall,staticswitcher,fade,scale,unityshell] Date: Wed Jul 20 17:34:24 2011 InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1) ProcEnviron:  LANGUAGE=en_AU:en  LANG=en_AU.UTF-8  SHELL=/bin/bash SourcePackage: unity UpgradeStatus: No upgrade log present (probably fresh install)
2011-08-26 15:41:29 Omer Akram unity: status New Confirmed
2011-08-26 15:41:32 Omer Akram unity (Ubuntu): status New Confirmed
2011-08-26 15:42:36 Omer Akram unity: importance Undecided Medium
2011-08-26 15:42:38 Omer Akram unity (Ubuntu): importance Undecided Medium
2011-12-18 07:10:15 Alexei Colin bug added subscriber Alexei Colin
2012-04-24 13:43:13 Sebastien Bacher unity (Ubuntu): status Confirmed Triaged
2012-04-24 13:43:15 Sebastien Bacher unity: status Confirmed Triaged
2012-04-26 06:41:56 Olivier Cortès bug added subscriber Olivier Cortès
2013-01-07 09:28:34 TomasHnyk bug added subscriber TomasHnyk