[Webkit-unassigned] [Bug 18577] New: Inspector makes JS slow for all time

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=18577

           Summary: Inspector makes JS slow for all time
           Product: WebKit
           Version: 526+ (Nightly build)
          Platform: Macintosh
               URL: http://nerget.com/rayjs/rayjs.html
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: oliver at apple.com
                CC: timothy at hatcher.name, aroben at apple.com


Using the web inspector makes JS very slow

Steps to reproduce:
1. Go to http://nerget.com/rayjs/rayjs.html
2. click render
*eat candy until it's complete, it will give you a time*
3. "Inspect Element" on the document to open the inspector
4. close the inspector
5. click render
*eat more candy*

This second run is between 10% and 25% slower than the first :(, but lets
continue
6. Open inspector again, switch to resource view, then switch back to element
view and mouse over a few elements, then close inspector.
7. click the render option again
this time round i see something in the order of a 50% regression

>From now on all JS in that webview will run really really slowly unless you
close the tab/window -- other webview appear to be unaffected.


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