[Webkit-unassigned] [Bug 197440] New: Web Inspector: Timelines: CPU/memory timeline bars sometimes don't draw correctly and jump around on scrolling

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=197440

            Bug ID: 197440
           Summary: Web Inspector: Timelines: CPU/memory timeline bars
                    sometimes don't draw correctly and jump around on
                    scrolling
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: drousso at apple.com
                CC: inspector-bugzilla-changes at group.apple.com

# STEPS TO REPRODUCE:
1. inspect any page with some activity
2. enable the CPU/memory timeline
3. start a timeline recording
4. scroll/interact with the page to capture activity
5. stop the timeline recording
6. try zooming in/our or scrolling left/right
 => CPU "columns" may appear/disappear if the record is mostly offscreen
 => the memory graph may suddenly update when the next record becomes visible (e.g. the slope of the graph changes)

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