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[Bug 1224430] [NEW] High system load when displaying seconds

 

Public bug reported:

I configured the datetime indicator to display seconds. On an idle
netbook with an Intel Atom processor, the indicator-datetime-service
library uses around 7 % CPU time and the evolution-calendor-factory uses
4 % CPU time. When disabling displaying the seconds, the system load
will drop below 0.1 % CPU time.

The system load should be lower even if the seconds are displayed.
Expensive operations like querying the Evolution calender should be run
only once per minute instead of every second.

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: indicator-datetime 13.10.0+13.10.20130903-0ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-7.13-generic 3.11.0
Uname: Linux 3.11.0-7-generic x86_64
ApportVersion: 2.12.1-0ubuntu3
Architecture: amd64
Date: Thu Sep 12 13:18:28 2013
InstallationDate: Installed on 2012-06-05 (463 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
MarkForUpload: True
SourcePackage: indicator-datetime
UpgradeStatus: Upgraded to saucy on 2013-06-03 (100 days ago)

** Affects: indicator-datetime (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug saucy

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https://bugs.launchpad.net/bugs/1224430

Title:
  High system load when displaying seconds

Status in “indicator-datetime” package in Ubuntu:
  New

Bug description:
  I configured the datetime indicator to display seconds. On an idle
  netbook with an Intel Atom processor, the indicator-datetime-service
  library uses around 7 % CPU time and the evolution-calendor-factory
  uses 4 % CPU time. When disabling displaying the seconds, the system
  load will drop below 0.1 % CPU time.

  The system load should be lower even if the seconds are displayed.
  Expensive operations like querying the Evolution calender should be
  run only once per minute instead of every second.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: indicator-datetime 13.10.0+13.10.20130903-0ubuntu1
  ProcVersionSignature: Ubuntu 3.11.0-7.13-generic 3.11.0
  Uname: Linux 3.11.0-7-generic x86_64
  ApportVersion: 2.12.1-0ubuntu3
  Architecture: amd64
  Date: Thu Sep 12 13:18:28 2013
  InstallationDate: Installed on 2012-06-05 (463 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  MarkForUpload: True
  SourcePackage: indicator-datetime
  UpgradeStatus: Upgraded to saucy on 2013-06-03 (100 days ago)

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References