PROBE::VM.BRK(3stap)

💖 NAME 💖

ok so probe::vm.brk</p> — it's a SystemTap tapset probe (that's the 3stap manual, bestie) and it fires when a brk is requested, which is nerd-speak for "the heap is about to get resized." yes. the heap. your fave little memory pile. it's growing. it's giving glow-up. ✨

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🦋 SYNOPSIS 🦋

probe vm.brk {}

that's it. no args, no drama, just vibes. 🌸

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🎀 VALUES 🎀

the lil guys you get handed inside the probe, and bestie they're all useful:

• address — the address that was requested. the one you asked for. the whole point. 📍
• length — how long the memory segment is. the size. the amount. the length, bestie, it's literally in the name 💅
• name — the name of the probe point. yes that's kind of a "water is wet" moment but it's real and it's there 🫶

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🌈 CONTEXT 🌈

the context is: the process that's calling brk. so whoever is out here resizing their heap — that's who you're sitting inside of. main character energy fr fr. 👑

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⭐ SEE ALSO ⭐

• tapset::memory(3stap) — go read this one too, it's the memory tapset and it's iconic 💜

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ok that's the whole page, no cap, nothing skipped, every value accounted for 🧚

tiny sign-off: this is from the SystemTap Tapset Reference, dated September 2026 💖 so if you're reading this from the future — hi, hope the heap is treating you well 🌸✨