[Webkit-unassigned] [Bug 204454] New: Web Inspector misreports memory when sending ArrayBuffers to worker

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=204454

            Bug ID: 204454
           Summary: Web Inspector misreports memory when sending
                    ArrayBuffers to worker
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mail at kkaefer.com

Created attachment 384056

  --> https://bugs.webkit.org/attachment.cgi?id=384056&action=review

Inspector showing 1.7 GB of memory usage

When sending ArrayBuffers from the main thread to workers, the Inspector doesn't pick up that the object gets garbage collected. It reports gigabytes of memory usage when in reality, the page doesn't have increased memory usage. See attached screenshots and reproduction page.

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