profile_show(9)

💖 profile_show 💖

okay bestie, this is profile_show(9) from the Kernel API Manual, and it's literally here to show the current profile for a class device. group-chat summary: device in, attribute in, buffer in, bytes-written out. slay. ✨

✨ NAME ✨

profile_show — Show the current profile for a class device

🦋 SYNOPSIS 🦋

ssize_t profile_show (struct device *dev , struct device_attribute *attr
       , char *buf );

🎀 ARGUMENTS 🎀

• dev — The device. yes bestie, the device.
• attr — The attribute. that one.
• buf — The buffer to write to. the place where the writing happens.

🌟 RETURN 🌟

The number of bytes written. that's it — no cap, that's the return value.

🔥 SEE ALSO 🔥

Kernel file ./drivers/acpi/platform_profile.c, and the whole friend group:

• _commmon_choices_show(9)
• _store_class_profile(9)
• _notify_class_profile(9)
• get_class_profile(9)
• name_show(9)
• choices_show(9)
• profile_store(9)
• _aggregate_choices(9)
• _remove_hidden_choices(9)
• platform_profile_choices_show(9)
• _aggregate_profiles(9)
• _store_and_notify(9)
• platform_profile_show(9)
• platform_profile_store(9)
• platform_profile_notify(9)
• platform_profile_cycle(9)
• platform_profile_register(9)
• platform_profile_remove(9)
• devm_platform_profile_register(9)

cute sign-off: source/version ./drivers/acpi · date October 2026 · page profile_show(9) — bye bestie, go show those profiles 💅🫶