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  1. Qt
  2. QTBUG-6402

Assistant uses excessive CPU resources

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Details

    • Bug
    • Resolution: Duplicate
    • P3: Somewhat important
    • 4.7.0
    • 4.6.0
    • Tools: Assistant
    • None
    • Mac OS X 10.6.2 (32bit kernel) running on MacBookPro (Intel, 64bit capable Core2 Duo)
      Qt SDK 4.6.0 RC (1), Qt SDK 4.6.0 (final)

    Description

      Hi!

      Today I noticed my laptop getting unusually hot and when I looked, I found Assistant from the new Qt 4.6.0 RC SDK uses about 130% CPU resources.
      I attached samples from ActivityManager.

      I can consistently reproduce this (even after restarts) as follows:

      • Open qtdemo via Spotlight
      • go to "Concurrent Programming"
      • go to "Run Function" (these two could possibly be arbitrary)
      • click on "Documentation" which launches Assistant
      • browse in Assistant (i went to the QtConcurrent section)
      • Quit qtdemo now
        -> The CPU usage of Assistant explodes

      This issue should be fixed before release of 4.6.0, as it is not uncommon to reproduce and has impact on system performance.

      If i can assist in the tracking of the issue further, please let me know.

      Thanks!

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          People

            heimrich Karsten Heimrich
            chakotay Patrick Baenziger
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            Dates

              Created:
              Updated:
              Resolved:

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