PROBE::VM.KMALLOC_(3stap)

💖 probe::vm.kmalloc_node — from the SystemTap Tapset Reference, Memory Tapset edition 🎀

okay bestie, welcome to PROBE::VM.KMALLOC_(3stap), aka the page where we vibe-check the kernel's memory allocation moment ✨

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✨ NAME ✨

probe::vm.kmalloc_node — fires when kmalloc_node is requested 💅

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🌸 SYNOPSIS 🌸

probe vm.kmalloc_node {}

like… that's it. that's the whole thing. iconic minimalism, no cap 🦋

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🫶 VALUES 🫶

these are the lil goodies this probe hands you, bestie. every single one, in order, no skips 💖

• gfp_flag_name — the type of kmemory to allocate, but make it a string format ✨ (yes, as a string, we love a glow-up)
• call_site — the address of the function that's calling this kmemory function 📍
• bytes_req — the requested Bytes. the ask. the dream. 🌈
• name — name of the probe point 🏷️
• ptr — pointer to the kmemory that got allocated 🔥
• caller_function — the name of the caller function, i.e. who did this 🙈
• bytes_alloc — the allocated Bytes. what actually happened vs. what was requested, the classic 💀
• gfp_flags — the type of kmemory to allocate (raw flags edition) 🎀

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👑 SEE ALSO 👑

• tapset::memory(3stap)

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and that's the whole page, bestie. slay. 💜

SystemTap Tapset Reference, Version September 2026 — ty for reading, ily, go allocate something responsibly 🫶💖