[Webkit-unassigned] [Bug 189460] svg/text/text-text-05-t.svg leaks a document

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=189460

Joseph Pecoraro <joepeck at webkit.org> changed:

           What    |Removed                     |Added
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                 CC|                            |joepeck at webkit.org

--- Comment #4 from Joseph Pecoraro <joepeck at webkit.org> ---
Looks like in a manual test no documents are leaking, or at least this looks as I would expect it to look.

1. Launch MiniBrowser (webkit.org)
2. Load the test page (file:///...)
3. Navigate to about:blank
4. Take measurements

>    $ notifyutil -p com.apple.WebKit.showAllDocuments
>    81081  6 live pages:
>    81081  Page 0x6d6dbf100 with main document 0x6eb4020f0
>    81081  Page 0x6d6df9b00 with main document 0x6ea201078
>    81081  Page 0x6d6dbd000 with main document 0x6eb601078
>    81081  Page 0x6d6dbdb00 with main document 0x6ea2020f0
>    81081  Page 0x6d6df9000 with main document 0x6ea302180 about:blank
>    81081  Page 0x6d6dbe600 with main document 0x6eb401078
>    81081  8 live documents:
>    81081  SVGDocument 0x6eb601078 12 (refCount 1, referencingNodeCount 8)
>    81081  SVGDocument 0x6eb4020f0 10 (refCount 1, referencingNodeCount 13)
>    81081  SVGDocument 0x6eb6020f0 13 (refCount 3, referencingNodeCount 1018) .../LayoutTests/svg/text/text-text-05-t.svg
>    81081  SVGDocument 0x6eb401078 8 (refCount 1, referencingNodeCount 5)
>    81081  SVGDocument 0x6ea201078 4 (refCount 1, referencingNodeCount 9)
>    81081  SVGDocument 0x6ea2020f0 6 (refCount 1, referencingNodeCount 45)
>    81081  Document 0x6d68010c0 2 (refCount 6, referencingNodeCount 684) https://webkit.org/
>    81081  Document 0x6ea302180 14 (refCount 2, referencingNodeCount 3) about:blank
>
>    $ notifyutil -p org.WebKit.lowMemory
>    81081  Memory pressure relief: Total: res = 28389376/25059328/-3330048, res+swap = 26914816/23584768/-3330048
>
>
>    $ notifyutil -p com.apple.WebKit.showAllDocuments
>    81081  1 live pages:
>    81081  Page 0x6d6df9000 with main document 0x6ea302180 about:blank
>    81081  1 live documents:
>    81081  Document 0x6ea302180 14 (refCount 2, referencingNodeCount 3) about:blank

Next step:
• Investigate when the Document gets released and ensure that `run-webkit-tests --world-leaks` doesn't have a false report for this.

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