FUNCTION::STACK_UNUS(3stap)

💖 FUNCTION::STACK_UNUS 💖

okay bestie, welcome to the 3stap girlies — this one lives in the Context Functions section of the SystemTap Tapset Reference and it is SO handy, no cap 🫶

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✨ NAME ✨

function::stack_unused — literally just tells you how much kernel stack you still have left to play with 💅

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🌸 SYNOPSIS 🌸

stack_unused:long()

like... that's it. that's the whole vibe. ✨

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🎀 ARGUMENTS 🎀

• None — nope, nothing, zero, nada, she takes no arguments and she doesn't need them 😌

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🦋 DESCRIPTION 🦋

so the tea is: this function figures out how many bytes are currently available in the kernel stack. that's it. that's the function. she's a simple girl and she knows her purpose 👑

ngl if you're out here writing probes and you're worried about blowing through your stack, this is the little check-in bestie you want 💖

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👑 SEE ALSO 👑

• tapset::context(3stap) — go read this one too, it's giving context (literally) 🌈

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k that's the whole page, tysm for coming to my TED talk 🎀

this was the SystemTap Tapset Reference, manual section 3stap, dated September 2026 — mwah, slay, bye bestie 💅✨💜