1.43ms uninterruptible reflow at onxblunderflow@chrome://browser/content/tabbrowser.xml:47:11

NEW
Unassigned

Status

()

enhancement
P3
normal
10 months ago
9 months ago

People

(Reporter: geeknik, Unassigned)

Tracking

(Blocks 1 bug)

Trunk
Points:
---
Dependency tree / graph

Firefox Tracking Flags

(firefox63 affected)

Details

(Whiteboard: [ohnoreflow][fxperf:p3])

Reporter

Description

10 months ago
Here's the stack:

onxblunderflow@chrome://browser/content/tabbrowser.xml:47:11
Whiteboard: [ohnoreflow][qf][photon-performance] → [ohnoreflow][fxperf]
Whiteboard: [ohnoreflow][fxperf] → [ohnoreflow][fxperf:p3]

Updated

9 months ago
Component: Untriaged → Tabbed Browser
This is from:

  if (tabs._lastTabClosedByMouse) {
    tabs._expandSpacerBy(this._scrollButtonDown.clientWidth);
  }

We could potentially build on this._pinnedTabsLayoutCache here which already has a scrollButtonWidth property.
OS: Linux → All
Priority: -- → P3
Hardware: x86 → All
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