NPI ▸ Telemetry

headroom — MemAvailable vs the earlyoom lines (P)

the ratchet — zram physical (mem_used_total) vs available; renderers below

CMA — free vs total (lender pool; falling free with quiet codec = pinned)

events — earlyoom kills (cumulative) · main CPU ticks (wedge oracle: racing ticks + flat renderers = spin)