STRUCT TIME_IN_IDLE(9)

💖 NAME 💖

okay so this is struct time_in_idle(9), straight outta the Kernel API Manual, and it's giving Idle time stats 💤✨

• struct time_in_idle — Idle time stats, periodt. that's the whole name, bestie 🫶

🌸 SYNOPSIS 🌸

struct time_in_idle {
    u64 time;
    u64 timestamp;
 };

🎀 Members 🎀

• time — previous reading of the absolute time that this cpu was idle ⏱️ literally the last absolute-time reading for when this cpu was idle.
• timestamp — wall time of the last invocation of get_cpu_idle_time_us 🕰️ no cap, that's the wall-time moment get_cpu_idle_time_us was last called.

🦋 SEE ALSO 🦋

Kernel file: ./drivers/thermal/cpufreq_cooling.c — and the whole friend group is here 👑

• struct cpufreq_cooling_device(9)
• get_level(9)
• get_load(9)
• get_dynamic_power(9)
• cpufreq_get_requested_power(9)
• cpufreq_state2power(9)
• cpufreq_power2state(9)
• cpufreq_get_max_state(9)
• cpufreq_get_cur_state(9)
• cpufreq_set_cur_state(9)
• __cpufreq_cooling_register(9)
• cpufreq_cooling_register(9)
• of_cpufreq_cooling_register(9)
• cpufreq_cooling_unregister(9)

mwah 💋 — source/version vibes: ./drivers/thermal, date: October 2026 🌈✨