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  1. Qt
  2. QTBUG-41888

When window is hidden, app running animations consumes up to 80% of CPU

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Details

    • Bug
    • Resolution: Done
    • P1: Critical
    • 5.4.0 RC
    • 5.3.2
    • GUI: OpenGL
    • None
    • MacBook Pro Retina, mi-2012
      OSX 10.9.5
    • 6c38a82aa8165bbe3cbdc7f17e67999439842c29 (5.4.0)

    Description

      If running an animation in an app that is totally hidden then it consumes between 70% and 80% of the CPU.

      Attached file are a project that runs a simple BusyIndicator and two screenshots showing CPU Usage

      Attachments

        1. pobanimations.tar.gz
          8 kB
        2. screen1.tiff
          113 kB
        3. screen2.tiff
          149 kB

        Issue Links

          is required for

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-41613 Issues to be fixed before 5.4.0 RC

          • P0: Blocker - MUST be fixed ASAP. This includes issues that prevent/block further Qt development; Legal issues & Serious data loss issues.
          • Closed
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          Activity

            People

              sorvig Morten Sørvig
              maxleb Maxime Leblanc
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              Dates

                Created:
                Updated:
                Resolved:

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