bevy/docs/profiling.md

Profiling

• Compile Times: append -Ztimings to cargo builds
• Runtime Flame Graph:
  • Flat-ish: RUSTFLAGS='-C force-frame-pointers=y' cargo flamegraph --example EXAMPLE_NAME
  • Graph: RUSTFLAGS='-C force-frame-pointers=y' cargo flamegraph -c "record -g" --example EXAMPLE_NAME
  • built on top of perf, no instrumentation required
• Runtime Instrumentation:
  • thread_profiler