clockevents...am_min_delta(9)

💅 clockevents_program_min_delta(9) — from the Kernel API Manual, bestie

okay so picture this: you're deep in the kernel, it's 2am, and you just need this clock event device to fire right now — like, the absolute smallest delay it can possibly do. that's this function. it's giving "main character energy" but for timers ✨

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🌸 NAME 🌸

clockevents_program_min_delta — sets the clock event device to the minimum delay. that's it. that's the whole vibe. 💖

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✨ SYNOPSIS ✨

int clockevents_program_min_delta (struct clock_event_device *dev );

it takes one thing and returns an int, no cap. 🫶

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🎀 ARGUMENTS 🎀

• dev — the device you're programming. like, the actual clock event device. that's the one. don't hand it anything else, bestie. 💅

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🔥 DESCRIPTION 🔥

so here's the tea 🍵: this function programs the clock event device to its minimum delay.

it returns 0 on success — slay, we love a clean return. but if the retry loop fails, you get -ETIME. yes, the retry loop. there is a retry loop and sometimes it just doesn't work out. 😭 so if you see -ETIME coming back at you, that's what happened. not a vibe, but at least you know.

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🌈 SEE ALSO 🌈

everything else in the clock event cinematic universe, plus where the source actually lives:

• Kernel file ./kernel/time/clockevents.c — go read it, iykyk 👀
• clockevent_delta2ns(9)
• clockevents_switch_state(9)
• clockevents_shutdown(9)
• clockevents_tick_resume(9)
• clockevents_increase_min_delta(9)
• clockevents_program_event(9)
• clockevents_register_device(9)
• clockevents_config_and_register(9)
• clockevents_update_freq(9)
• clockevents_exchange_device(9)
• clockevents_suspend(9)
• clockevents_resume(9)
• tick_offline_cpu(9)

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💀 reminder: -ETIME means the retry loop failed. it's not a crash, it's not the end of the world, it's just the timer saying "nope, not today." handle it, don't ignore it.

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that's the whole page, bestie — sourced straight from ./kernel/time, dated October 2026, Kernel API Manual edition. go forth and program those minimum deltas 💖🦋✨🎀