trace_timer_cancel(9)

💅 trace_timer_cancel(9)

okay bestie, welcome to the Kernel API Manual — yes we're in the kernel section, yes it's giving big-brain energy, and no you don't have to be scared. this page is about trace_timer_cancel, a little tracepoint hook that gets called when a timer is canceled. that's it. that's the whole vibe. 🎀

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✨ NAME ✨

trace_timer_cancel — called when the timer is canceled 🕐

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🌸 SYNOPSIS 🌸

void trace_timer_cancel (struct timer_list *timer );

literally that's the whole signature, no cap. it returns void, so don't go looking for a return value that isn't there 🙈

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🦋 ARGUMENTS 🦋

• timer — pointer to struct timer_list. that's your timer, bestie, the actual one being canceled. it's a pointer, so treat it with respect 💅

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🌈 SEE ALSO 🌈

okay this is the part where the kernel shows you the whole friend group 👑 — same tracepoint family, same vibes, go read them:

Kernel file ./include/trace/events/timer.h

• trace_timer_init(9)
• trace_timer_start(9)
• trace_timer_expire_entry(9)
• trace_timer_expire_exit(9)
• trace_hrtimer_setup(9)
• trace_hrtimer_start(9)
• trace_hrtimer_expire_entry(9)
• trace_hrtimer_start_expired(9)
• trace_hrtimer_expire_exit(9)
• trace_hrtimer_cancel(9)
• trace_hrtimer_rearm(9)
• trace_itimer_state(9)
• trace_itimer_expire(9)

ngl, that's a lot of cross-references — but that's the timer tracepoint fam and they all show up for each other 🫶

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🧚 sign-off 🧚

this icon of a page lives in ./include/trace/events, dated October 2026, and it's filed under trace_timer_cancel(9) — so you always know where to find it again. slay, go cancel some timers responsibly 💖✨