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[Added] lines in histogram

Change-Id: I142886fe9fa8e154ef2825a5a01c4f51a48385ea

What it does

  • Add individual event type histogram support to HistogramDataProvider
  • Track event type IDs in fEventTypeIds map
  • Extend fetchTree() to include event type children from statistics
  • Extend fetchXY() to handle event type histogram requests
  • Add getEventTypeHistogram() method for per-type density data
  • Change EventDensityViewer to use AREA chart style

How to test

Open a trace. It will have all the event types. This allows users to view histogram density per event type in addition to total and lost events.

note: this commit was made with the assistance of Claude Sonnet 4

Review checklist

  • As an author, I have thoroughly tested my changes and carefully followed the instructions in this template

@bhufmann
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bhufmann commented Oct 3, 2025

@MatthewKhouzam There are tests failing that are related to the change. Please have a look.

- Add individual event type histogram support to HistogramDataProvider
- Track event type IDs in fEventTypeIds map
- Extend fetchTree() to include event type children from statistics
- Extend fetchXY() to handle event type histogram requests
- Add getEventTypeHistogram() method for per-type density data
- Change EventDensityViewer to use AREA chart style

This allows users to view histogram density per event type in addition
to total and lost events.

note: this commit was made with the assistance of Claude Sonnet 4

[Added] lines in histogram

Change-Id: I142886fe9fa8e154ef2825a5a01c4f51a48385ea
Signed-off-by: Matthew Khouzam <matthew.khouzam@ericsson.com>
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2 participants