[kmail2] [Bug 317529] New: CPU hog when hovering over some items in the Tools menu

[Paul-Sebastian Manole]

https://bugs.kde.org/show_bug.cgi?id=317529

            Bug ID: 317529
           Summary: CPU hog when hovering over some items in the Tools
                    menu
    Classification: Unclassified
           Product: kmail2
           Version: unspecified
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: UI
          Assignee: kdepim-bugs at kde.org
          Reporter: brokenthorn at gmail.com

KMail uses 90% CPU when hovering over some of the items in the Tools menu. The
items that seem to animated on hover. No the items that seem to hover
instantly. All other menus don't seem to produce this. Kontact/KMail 4.9.5.

Opening KMail through Kontact makes it worse.

Reproducible: Always

Steps to Reproduce:
1. Open KMail or Kontact
2. Hover over items in the Tools menu
3. Watch top for KMail CPU usage
Actual Results:  
KMail uses 80-90% CPU

Expected Results:  
KMail should not use more CPU than when hovering over items in other menus
(10-15%).

Running Kubuntu stable. Fresh install. AMD graphics card. Open source drivers.
Sony Vaio VPCEB2S1E laptop.

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