hardlockup_c...g_perf_event(9)

💅 hardlockup_config_perf_event — Kernel API Manual 🎀

okay so bestie, welcome to the Kernel API Manual, and today's main character is hardlockup_config_perf_event. yes it's a mouthful, no you're not gonna say it out loud, just vibe with it ✨

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🌸 NAME 🌸

hardlockup_config_perf_event — overwrite the config of wd_hw_attr. that's it, that's the whole job. it just. replaces the config. iconic behavior honestly 💅

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✨ SYNOPSIS ✨

void hardlockup_config_perf_event (const char *str );

like, that's the whole signature. no return value, no drama, just vibes and a const char *. 🦋

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🫶 ARGUMENTS 🫶

• str — a number that identifies the raw perf event to use 🔥 like, it comes in as a string, but it's giving "number that identifies the raw perf event." that's the assignment, that's what it does, no cap.

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👑 SEE ALSO 👑

the whole friend group, fr fr — these are all in the kernel file ./kernel/watchdog_perf.c:

• watchdog_hardlockup_enable(9)
• watchdog_hardlockup_disable(9)
• hardlockup_detector_perf_adjust_period(9)
• hardlockup_detector_perf_stop(9)
• hardlockup_detector_perf_restart(9)
• watchdog_hardlockup_probe(9)

go read those too, bestie, they're literally the rest of the lore 📚💜

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lowkey a tiny page but highkey every detail is here, so we ate. 💀🍓

anyway that's the whole manual, mwah 💖 this lil page lives in ./kernel and it's dated October 2026, so yeah, she's from the future and she's still serving ✨👑 periodt.