__clocksourc...gister_scale(9)

✨ __clocksourc...gister_scale(9) ✨

okay bestie, welcome to the Kernel API Manual 💅 this one lives in the kernel time zone, and we're about to talk about __clocksource_register_scale — the lowkey iconic function that installs brand new clocksources 👑

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🌸 NAME 🌸

__clocksource_register_scale — Used to install new clocksources 🎀

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🦋 SYNOPSIS 🦋

int __clocksource_register_scale (struct clocksource *cs , u32 scale ,
u32 freq );

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✨ ARGUMENTS ✨

• cs — the clocksource that's getting registered, bestie. like, this is the one we're putting on the map 💫
• scale — the scale factor, and no cap, it gets multiplied against freq to get the clocksource hz 🧮
• freq — the clocksource frequency (cycles per second) divided by scale ⚡

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💖 DESCRIPTION 💖

Returns -EBUSY if registration fails, and zero otherwise. that's it, that's the whole mood 😌

🚨 This *SHOULD NOT* be called directly! 🚨 Please use the clocksource_register_hz or clocksource_register_khz helper functions instead. i'm literally begging you, use the helpers 🫶

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🌈 SEE ALSO 🌈

Kernel file ./kernel/time/clocksource.c — plus this whole squad of related functions, all in their (9) era 🔥:

• clocks_calc_mult_shift(9)
• clocksource_mark_unstable(9)
• clocksource_suspend_select(9)
• clocksource_start_suspend_timing(9)
• clocksource_stop_suspend_timing(9)
• clocksource_suspend(9)
• clocksource_resume(9)
• clocksource_touch_watchdog(9)
• clocksource_max_adjustment(9)
• clocks_calc_max_nsecs(9)
• clocksource_update_max_deferment(9)
• clocksource_select(9)
• __clocksource_update_freq_scale(9)
• clocksource_unregister(9)
• current_clocksource_show(9)
• current_clocksource_store(9)
• unbind_clocksource_store(9)
• available_clocksource_show(9)
• boot_override_clocksource(9)
• boot_override_clock(9)

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and that's the whole page, bestie 🎀 it came from ./kernel/time, dated October 2026 — so go forth, register those clocksources the right way, and slay 💅✨🦋