current_clocksource_show(9)

💅 current_clocksource_show — a kernel API manual moment

okay so bestie, welcome to current_clocksource_show(9) — yes that's the kernel API manual, and yes we're gonna get through it together 🫶

---

✨ NAME ✨

current_clocksource_show — the sysfs interface for the current clocksource 🌸

✨ SYNOPSIS ✨

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

like, that's the whole signature, no cap 👑

✨ ARGUMENTS ✨

• dev — unused 🙈 literally does not get used, she's just there for the vibe
• attr — unused too 💀 same situation, purely decorative
• buf — the char buffer that gets filled up with the clocksource list 🎀 this is the one actually doing the work

✨ DESCRIPTION ✨

so what does she do? she provides the sysfs interface for listing the current clocksource ✨ that's it, that's the whole thing, and honestly? iconic 👑

✨ SEE ALSO ✨

if you're obsessed (and you should be), go check out the kernel file ./kernel/time/clocksource.c — plus all of these besties:

• 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_register_scale(9)
• clocksource_unregister(9)
• current_clocksource_store(9)
• unbind_clocksource_store(9)
• available_clocksource_show(9)
• boot_override_clocksource(9)
• boot_override_clock(9)

like, the whole clocksource friend group fr fr 🦋

---

ok that's the page!! now go read the family, they're all waiting 💖

mwah 💋 this has been current_clocksource_show(9) from ./kernel/time, dated October 2026 — periodt 🌈⭐