testland/game-perf-profiling
Profiles game builds against frame-time, memory, GPU draw-call, and GC-spike budgets using Unity Profiler + Profile Analyzer + Performance Testing package and Unreal Insights + stat commands. Establishes pass/fail thresholds (16.6 ms at 60 fps, 33.3 ms at 30 fps), writes automated performance regression tests that run in CI, and emits a structured budget report per SKU. Use when a title must hit a declared frame-time or memory budget before a milestone gate or platform-cert submission, or when a recent change needs a performance regression check.
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unreal-insights.mdreferences/
Unreal Insights - deep analysis reference
Supporting detail for game-perf-profiling Step 5. Cited once here rather than repeated in the spine.
Unreal Insights is a telemetry capture and analysis suite that captures events from a project at high data rates (dev.epicgames.com/documentation/en-us/unreal-engine/unreal-insights-in-unreal-engine).
Launch from the Editor via the Trace/Insights Status Bar Widget in the
bottom toolbar, or from the prebuilt binary at
Engine\Binaries\[Platform]\UnrealInsights.exe.
Key trace channels:
| Channel | Captures |
|---|---|
| CPU | Thread-level timing per task and function |
| GPU | Per-frame GPU timing |
| Memory | Allocation, reallocation, and deallocation events |
| Networking | Network traffic for multiplayer titles |
| Slate | UMG/Slate widget update costs |
| Asset loading | Asset load time per type |
Live sessions appear in the Session Browser with a "LIVE" status indicator; Insights supports simultaneous connection to multiple sessions and records streams automatically for later replay.
Primary views:
- Timing Insights: CPU and GPU performance tracks with frames, filters, timers, counters, and caller/callee information.
- Memory Insights: Reconstructs runtime memory usage patterns from traced allocation events.