cpufreq_driv..._adjust_perf(9)

💖 cpufreq_driver_has_adjust_perf — like, the vibe check for "direct fast switch" 💅

okay so bestie, welcome to the Kernel API Manual ✨ this one's a lil baby function with big main-character energy. no cap.

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🌸 NAME 🌸

cpufreq_driver_has_adjust_perf — it checks for that "direct fast switch" callback. that's it. that's the whole job. she's a yes/no girlie 🎀

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✨ SYNOPSIS ✨

bool cpufreq_driver_has_adjust_perf (void );

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🦋 ARGUMENTS 🦋

• void — literally no arguments. nothing. zero. she takes no notes, she needs no input, she just knows 💅

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💜 DESCRIPTION 💜

So here's the tea ☕ — this function returns 'true' if the ->adjust_perf callback is present for the current driver, and 'false' otherwise. that's the entire plot, no plot twists, and honestly? we love a low-stakes icon 👑

ngl it's giving "is that callback in the room with us right now" and the answer is either yes (true, slay) or no (false, oh well) 🌈

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🔥 SEE ALSO 🔥

okay so here's the whole friend group — say hi to everybody, fr fr 🫶

Kernel file ./drivers/cpufreq/cpufreq.c —

cpufreq_cpu_get(9), cpufreq_cpu_put(9), adjust_jiffies(9), cpufreq_notify_transition(9), cpufreq_enable_fast_switch(9), cpufreq_disable_fast_switch(9), cpufreq_driver_resolve_freq(9), cpufreq_parse_governor(9), cpufreq_add_dev(9), cpufreq_out_of_sync(9), cpufreq_quick_get(9), cpufreq_quick_get_max(9), cpufreq_get_hw_max_freq(9), cpufreq_get(9), cpufreq_suspend(9), cpufreq_resume(9), cpufreq_driver_test_flags(9), cpufreq_get_current_driver(9), cpufreq_get_driver_data(9), cpufreq_register_notifier(9), cpufreq_unregister_notifier(9), cpufreq_driver_fast_switch(9), cpufreq_driver_adjust_perf(9), cpufreq_update_pressure(9), cpufreq_set_policy(9), cpufreq_update_policy(9), cpufreq_update_limits(9), cpufreq_register_driver(9)

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lowkey a whole squad. go read them too, iykyk 💀

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🌈✨ okay that's the whole page bestie!! sourced from ./drivers/cpufreq, dated October 2026, and it's the cpufreq_driv..._adjust_perf(9) moment — periodt, stay iconic, drink some water 🍓🧚💖