FUNCTION::STACK(3stap)

✨ NAME ✨

function::stack — bestie, this one hands u the return address at a given depth of the kernel stack backtrace 💅 (yes, in the 3stap manual, we're fancy like that)

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🌸 SYNOPSIS 🌸

stack:long(n:long)

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🎀 ARGUMENTS 🎀

• n — how many levels to descend in the stack, like climbing down the ladder of ur call history 🪜

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💖 DESCRIPTION 💖

Okay so here's the vibe: it performs a simple (kernel) backtrace, and then gives u back the element sitting at the position u asked for. That's it. That's the whole thing. Lowkey iconic for how much it does with so little 🫶

But here's the part that's actually the main character: the results of the backtrace itself are cached 🔥. So the backtrace computation is performed at most once, no matter how many times stack gets called, or in what order u call it. Not me being obsessed with memoization ✨ periodt.

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🦋 SEE ALSO 🦋

• tapset::context-symbols(3stap) — go read it, iykyk 💜

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okay bye bestie, that's the whole page 💖 this was the SystemTap Tapset Reference, Version (September 2026) — mwah, go write some tapsets, u ate 🌈👑