[Konsole-devel] [konsole] [Bug 322488] New: Use a single timer to monitor directory changes

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=322488

            Bug ID: 322488
           Summary: Use a single timer to monitor directory changes
    Classification: Unclassified
           Product: konsole
           Version: unspecified
          Platform: Compiled Sources
                OS: Linux
            Status: UNCONFIRMED
          Severity: wishlist
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: christoph at maxiom.de

Konsole currently uses a QTimer for each tab to monitor directory changes. It
could use a single QTimer for all open tabs to reduce wake-ups.

To reproduce:
- open root Konsole
- run powertop for this single tab for a while
- open 10 additional tabs
- watch powertop on first tab for a while

Actual results:
- for a single tab, Konsole wakes up 0.5 times per second
- for 11 tabs, Konsole wakes up 5.5 times per second

Expected results:
- for 11 tabs, Konsole wakes up 0.5 times per second

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