acpi_idle_play_dead(9)

🌸 acpi_idle_play_dead(9) — Kernel API Manual energy 🌸

Okay bestie, welcome to acpi_idle_play_dead(9) from the Kernel API Manual — this is the page where ACPI long-term idle gets its main-character moment ✨

💖 NAME 💖

acpi_idle_play_dead — enters an ACPI state for long-term idle (i.e. off-lining) 🫶

🦋 SYNOPSIS 🦋

void acpi_idle_play_dead (struct cpuidle_device *dev , int index );

🎀 ARGUMENTS 🎀

• dev — the target CPU 👑
• index — the index of suggested state 🎯

💅 SEE ALSO 💅

Kernel file ./drivers/acpi/processor_idle.c is the source-file homegirl here, and it also says hi to these function besties:

• acpi_idle_bm_check(9)
• acpi_idle_do_entry(9)
• acpi_idle_enter_bm(9)
• acpi_idle_lpi_enter(9)
• acpi_processor_setup_cpuidle_states(9)
• acpi_processor_setup_cpuidle_dev(9)

Sign-off vibes: source/version line energy is ./drivers/acpi, dated October 2026, and the page is acpi_idle_play_dead(9) — mwah, byeee 💋✨🫶