register_wide_hw_breakpoint(9)

register_wide_hw_breakpoint(9) — Kernel API Manual 💖

okay bestie, welcome to the Kernel API Manual page for register_wide_hw_breakpoint(9) — we’re registering a wide breakpoint in the kernel, and it’s giving main-character energy ✨

💅 NAME 💅

register_wide_hw_breakpoint — register a wide breakpoint in the kernel

✨ SYNOPSIS ✨

struct perf_event * __percpu * register_wide_hw_breakpoint (struct
       perf_event_attr *attr , perf_overflow_handler_t triggered , void
       *context );

🎀 ARGUMENTS 🎀

• attr — breakpoint attributes
• triggered — callback to trigger when we hit the breakpoint
• context — context data could be used in the triggered callback

🦋 DESCRIPTION 🦋

okay so the return value is literally a set of per_cpu pointers to perf events 🫶 that’s the whole description, iykyk

🔥 SEE ALSO 🔥

• Kernel file: ./kernel/events/hw_breakpoint.c
• register_user_hw_breakpoint(9)
• modify_user_hw_breakpoint(9)
• unregister_hw_breakpoint(9)
• unregister_wide_hw_breakpoint(9)
• hw_breakpoint_is_used(9)

xoxo 💋 — source/version: ./kernel/events; date: October 2026; page: register_wide_hw_breakpoint(9). slay and bye 🎀