tracing_map_set_var(9)

📦 version 7.3.1, in nixpkgs unstable

💅 tracing_map_set_var(9) — okay bestie, welcome to the Kernel API Manual 🌸

So you wanna assign a tracing_map_elt's variable field? Periodt, this is literally the function for that, and I'm gonna walk you through it like we're on FaceTime 🫶

✨ NAME ✨

tracing_map_set_var — Assign a tracing_map_elt's variable field 💖

🦋 SYNOPSIS 🦋

void tracing_map_set_var (struct tracing_map_elt *elt , unsigned int i ,
u64 n );

🎀 ARGUMENTS 🎀

  • elt — The tracing_map_elt 👑 like, the whole star of the show.
  • i — The index of the given variable associated with the tracing_map_elt 🔢
  • n — The value to assign 🌟

🌈 DESCRIPTION 🌈

Okay so here's the tea ☕ — this function assigns n to variable i associated with the specified tracing_map_elt instance. Not me being obsessed with a two-line function but here we are 💅

And listen, the index i? It's the index returned by the call to tracing_map_add_var when the tracing map was set up. So don't just make up a number, bestie — use the one you were literally handed. iykyk 😭

💜 SEE ALSO 💜

Kernel file ./kernel/trace/tracing_map.c 🗂️ and honestly the whole friend group:

ngl the whole squad showed up for this one 🔥 go read them, they ate 💀

and that's the post, bestie 🧚💜 this lil page lives in ./kernel/trace, it's dated October 2026, and it answers to the name tracing_map_set_var(9) — no cap, that's the whole sign-off 🌸✨

📦 where this page comes from