Brendan Gregg • 4/30/2025

Doom GPU Flame Graphs

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This technical blog post demonstrates the use of GPU Flame Graphs and FlameScope to analyze performance in GZDoom. It shows how to correlate CPU and GPU activity patterns, revealing that GPU idle periods correspond to heavy CPU workload during shader compilation, providing deep insights into game performance optimization.

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#performance analysis #Ebpf #Flame Graphs
Doom GPU Flame Graphs

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