trace_wbt_lat(9)

okay so bestie, this is trace_wbt_lat(9) from the Kernel API Manual, and it’s literally the page for a trace latency event ✨ no cap, we’re keeping it cute but the facts stay exactly where they belong 💅

🌸 NAME 🌸

trace_wbt_lat — trace latency event 🦋

✨ SYNOPSIS ✨

void trace_wbt_lat (struct backing_dev_info *bdi , unsigned long lat );

🎀 ARGUMENTS 🎀

• bdi — -- undescribed -- 😭 the original manpage literally leaves this one blank, so we are not inventing lore. periodt.
• lat — latency trigger 🔥

👑 SEE ALSO 👑

• Kernel file ./include/trace/events/wbt.h 🫶
• trace_wbt_stat(9), trace_wbt_step(9), trace_wbt_timer(9) — the whole little friend group, iykyk 💖

source/version: ./include/trace/events • date: October 2026 — bye bestie, mwah 💋