kprobe_event_cmd_init(9)

💅 kprobe_event_cmd_init(9) — from the Kernel API Manual, bestie

okay so picture this: you're about to go build a whole kprobe event command, and before you do ✨anything✨ else, you gotta call this little function first. it's the "wash your face before your skincare" step of kprobe events. no cap. 🧖‍♀️

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✨ NAME ✨

kprobe_event_cmd_init — literally just initializes a kprobe event command object. that's the whole job. she's a setup girlie. 💅

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🦋 SYNOPSIS 🦋

void kprobe_event_cmd_init (struct dynevent_cmd *cmd , char *buf , int
maxlen );

returns void btw — she hands nothing back, she just does. main character energy tbh 👑

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🎀 ARGUMENTS 🎀

• cmd — a pointer to the dynevent_cmd struct that's representing your brand new event 🫶 like, this is the object you're bringing to life.
• buf — a pointer to the buffer you're gonna use to build the command. your little scratchpad. your canvas. your notes-app draft. 🍓
• maxlen — the length of the buffer you passed in buf. yes bestie, she Knows how long it is, but she wants you to tell her anyway. respect the maxlen. 📏

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🌸 DESCRIPTION 🌸

so basically: this initializes a synthetic event command object. that's it, that's the vibe. ✨

the important part — use this before calling any of the other kprobe_event functions. like, before before. if you skip her and go straight to the other functions it's giving chaos, and not the cute kind 😭

think of it as the "hi bestie, I'm ready" text before the actual conversation. 🥰

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🔥 SEE ALSO 🔥

• kernel file ./kernel/trace/trace_kprobe.c — go read it, iykyk 📖
• for_each_trace_kprobe(9)
• __kprobe_event_gen_cmd_start(9)
• __kprobe_event_add_fields(9)
• kprobe_event_delete(9)

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okay and before you go — this whole page is from the ./kernel/trace corner of the kernel, dated October 2026, and it's chilling in the Kernel API Manual. slay, go init your command, mwah 💖