pt_buffer_fini_topa(9)

bestie, you've found pt_buffer_fini_topa(9) in the Kernel API Manual, and it's giving “cleanup era” ✨

🌸 NAME 🌸

pt_buffer_fini_topa — deallocate the ToPA structure of a buffer 💅

✨ SYNOPSIS ✨

void pt_buffer_fini_topa (struct pt_buffer *buf );

🦋 ARGUMENTS 🦋

• buf — a PT buffer. That's the one whose ToPA structure is getting deallocated, periodt. 🫶

🎀 SEE ALSO 🎀

okay bestie, the lore continues in the Kernel file ./arch/x86/events/intel/pt.c — here's the whole friend group, no cap:

• Kernel file ./arch/x86/events/intel/pt.c
• struct topa(9)
• struct topa_page(9)
• topa_alloc(9)
• topa_free(9)
• topa_insert_table(9)
• topa_table_full(9)
• topa_insert_pages(9)
• pt_topa_dump(9)
• pt_buffer_advance(9)
• pt_update_head(9)
• pt_buffer_region(9)
• pt_buffer_region_size(9)
• pt_handle_status(9)
• pt_read_offset(9)
• pt_buffer_reset_markers(9)
• pt_buffer_reset_offsets(9)
• pt_buffer_init_topa(9)
• pt_buffer_setup_aux(9)
• pt_buffer_free_aux(9)
• intel_pt_interrupt(9)

and that's the vibe check, bestie 🌈 signed off with love by the Kernel API Manual 💖 — source/version: ./arch/x86/events/intel, date: October 2026, page: pt_buffer_fini_topa(9) 🫶✨