3f7257aa23
CI / test (push) Has been cancelled
- Add USB audio IRQ affinity pinning to core 3 in main.py - Add enable_xrun_tracking() to AudioSystem for kernel-level diagnostics - Wrap Python process with chrt -f 80 in systemd service template - Add LimitSIGPENDING=128 for signal queue depth - Create scripts/rt-tune.sh — comprehensive RT tuning startup script (IRQ affinity, CPU governor, C-states, ALSA limits, xrun_debug) - Create docs/rt-performance-tuning.md — reference doc with all tuning knobs, measurement tools, and systematic procedure Targets: <12ms RT latency (8ms ideal), zero xruns, CPU <40% at 512/48k