Unity Issue Tracker - Unrelated Objects/Metadata are assigned to samples past the last one with valid Object/Metadata information as observed in CPU Usage Timeline

Fixed

Fixed in 2021.3.37f1, 2022.3.23f1, 2023.2.17f1, 6000.0.0b14, 7000.0.0a1

Votes

0

Found in

2017.3.0a5

2018.4.36f1

2019.4.40f1

2020.3.48f1

2021.3.36f1

2022.3.21f1

2023.2.0a8

2023.3.0a1

6000.0.0b1

7000.0.0a1

Issue ID

UUM-66592

Regression

Yes

Unrelated Objects/Metadata are assigned to samples past the last one with valid Object/Metadata information as observed in CPU Usage Timeline

-

Mar 13, 2024

Reproduction steps:
1. Open the "IN-70846.zip" project
2. Open "Assets/Scenes/Terminal/TerminalScene"
3. Enter Play mode
4. Open the Profiler Window
5. Select "CPU Usage"
6. Search for "CalculateLightProbeSamplingCoordinates" in Job/Worker 0-n on the Timeline

Expected results: Only related GameObjects are shown in the "CalculateLightProbeSamplingCoordinates" entries
Actual results: The profiler notifies about unrelated GameObjects in the "CalculateLightProbeSamplingCoordinates" entries

Reproducible with: 2022.3.21f1, 2023.2.15f1, 6000.0.0b11
Not reproducible for InstanceIDs (but reproducible for other Metadata) with: 2021.3.36f1, 2020.3.36f1, 2019.4.40f1, 2018.4.40f1, 2017.3.0a5

Not reproducible at all for: 2017.3.0a4

Reproducible on: macOS 14.3.1 (M1, M2)
Not reproducible on: No other environment tested

Notes:
- It's easier to switch to Hierarchy, find CalculateLightProbeSamplingCoordinates, then go back to Timeline
- Extra screenshots and profiling data are attached by the reporter

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