函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\tsc.c Create Date:2022-07-27 08:46:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：ative_calibrate_cpu_early - can calibrate the cpu early in boot

函数原型：unsigned long native_calibrate_cpu_early(void)

返回类型：unsigned long

参数：无

863  fast_calibrate等于cpu_khz_from_cpuid()
865  如果非fast_calibrate则fast_calibrate等于cpu_khz_from_msr()
867  如果非fast_calibrate则
868  local_irq_save(flags)
869  fast_calibrate等于quick_pit_calibrate()
870  local_irq_restore(flags)
872  返回:fast_calibrate
调用者
名称描述
native_calibrate_cpuative_calibrate_cpu - calibrate the cpu