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  1. Qt
  2. QTBUG-49953

High CPU load every few seconds

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Details

    • Bug
    • Status: Closed
    • P2: Important
    • Resolution: Out of scope
    • 5.5.0
    • None
    • None
    • OS X 10.11.2

    Description

      When starting Qt Creator and loading a project the CPU usage is still ok.
      After switching once to the GUI designer the CPU load goes up every few seconds - without user interaction.

      In Instruments it can be seen that there's a cycle that starts a new thread and does something related to network interfaces. Each thread consumes about 4 seconds of CPU time.

      The application I built now with Qt 5.5.1 shows the same behavior which didn't occur with earlier versions (used 5.4 before).

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            richmoore Richard Moore (qtnetwork)
            pi31415926 Andreas Pehnack
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            Dates

              Created:
              Updated:
              Resolved:

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